Abstract

The nickel (Ni) films of three different thicknesses, 65 nm, 135 nm and 1018 nm, were deposited by the RF magnetron sputtering technique. These films were subjected to femtosecond laser pulses of ~140 fs duration at 80 MHz repetition rate for generation of terahertz (THz) radiation. The obtained electromagnetic radiation was detected using photoconductive antennas by a sampling technique. The THz generation mechanism of Ni films is attributed to the ultrafast demagnetization process and its time depends on the Gilbert damping factor. The ascertained values of the Gilbert damping parameter of Ni films using ferromagnetic resonance (FMR) measurements lies between 0.011 and 0.0069. We have observed that the amplitude of emitted THz radiation from Ni films is proportional to Gilbert damping factor of films. The amplitude of emitted THz radiation from 65 nm Ni film is 1.19 and 1.66 times higher than 135 and 1018 nm films.

© 2016 Optical Society of America

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    [Crossref] [PubMed]
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    [Crossref]

2014 (5)

M. Venkatesh, K. S. Rao, T. S. Abhilash, S. P. Tewari, and A. K. Chaudhary, “Optical characterization of GaAs photoconductive antennas for efficient generation and detection of Terahertz radiation,” Opt. Mater. 36(3), 596–601 (2014).
[Crossref]

R. V. Mikhaylovskiy, E. Hendry, V. V. Kruglyak, R. V. Pisarev, T. Rasing, and A. V. Kimel, “Terahertz emission spectroscopy of laser-induced spin dynamics in TmFeO3 and ErFeO3 orthoferrites,” Phys. Rev. B 90(18), 184405 (2014).
[Crossref]

D. K. Polyushkin, I. Márton, P. Rácz, P. Dombi, E. Hendry, and W. L. Barnes, “Mechanisms of THz generation from silver nanoparticle and nanohole arrays illuminated by 100 fs pulses of infrared light,” Phys. Rev. B 89(12), 125426 (2014).
[Crossref]

E. Barati, M. Cinal, D. M. Edwards, and A. Umerski, “Gilbert damping in magnetic layered systems,” Phys. Rev. B 90(1), 014420 (2014).
[Crossref]

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

2013 (2)

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

2012 (3)

C. Zhang, Y. Avetisyan, A. Glosser, I. Kawayama, H. Murakami, and M. Tonouchi, “Bandwidth tunable THz wave generation in large-area periodically poled lithium niobate,” Opt. Express 20(8), 8784–8790 (2012).
[Crossref] [PubMed]

J. Shen, X. Fan, Z. Chen, M. F. DeCamp, H. Zhang, and J. Q. Xiao, “Damping modulated terahertz emission of ferromagnetic films excited by ultrafast laser pulses,” Appl. Phys. Lett. 101(7), 072401 (2012).
[Crossref]

S. Jian, Z. Huai-Wu, and L. Yuan-Xun, “Terahertz Emission of Ferromagnetic Ni-Fe Thin Films Excited by Ultrafast Laser Pulses,” Chin. Phys. Lett. 29(6), 067502 (2012).
[Crossref]

2011 (3)

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
[Crossref]

D. K. Polyushkin, E. Hendry, E. K. Stone, and W. L. Barnes, “THz generation from plasmonic nanoparticle arrays,” Nano Lett. 11(11), 4718–4724 (2011).
[Crossref] [PubMed]

G. Ramakrishnan and P. C. Planken, “Percolation-enhanced generation of terahertz pulses by optical rectification on ultrathin gold films,” Opt. Lett. 36(13), 2572–2574 (2011).
[Crossref] [PubMed]

2010 (2)

J. Nishitani, K. Kozuki, T. Nagashima, and M. Hangyo, “Terahertz radiation from coherent antiferromagnetic magnons excited by femtosecond laser pulses,” Appl. Phys. Lett. 96(22), 221906 (2010).
[Crossref]

M. G. Münzenberg, “Magnetization dynamics: Ferromagnets stirred up,” Nat. Mater. 9(3), 184–185 (2010).
[Crossref] [PubMed]

2009 (1)

2008 (2)

J. Walowski, M. D. Kaufmann, B. Lenk, C. Hamann, J. McCord, and M. Münzenberg, “Intrinsic and non-local Gilbert damping in polycrystalline nickel studied by Ti: sapphire laser fs spectroscopy,” J. Phys. D Appl. Phys. 41(16), 164016 (2008).
[Crossref]

A. G. Davies, A. D. Burnett, W. Fan, E. H. Linfield, and J. E. Cunningham, “Terahertz spectroscopy of explosives and drugs,” Mater. Today 11(3), 18–26 (2008).
[Crossref]

2007 (3)

C. W. Lawn, D. Jason, and M. M. Daniel, “Imaging with Terahertz radiation,” Rep. Prog. Phys. 70(8), 1325 (2007).

G. H. Welsh, N. T. Hunt, and K. Wynne, “Terahertz-pulse emission through laser excitation of surface plasmons in a metal grating,” Phys. Rev. Lett. 98(2), 026803 (2007).
[Crossref] [PubMed]

C. A. Meserole, G. L. Fisher, D. J. Hilton, R. D. Averitt, D. J. Funk, and A. J. Taylor, “Growth of thin Fe(0 0 1) films for terahertz emission experiments,” Appl. Surf. Sci. 253(17), 6992–7003 (2007).
[Crossref]

2006 (2)

X. Xie, J. Dai, and X. C. Zhang, “Coherent Control of THz Wave Generation in Ambient Air,” Phys. Rev. Lett. 96(7), 075005 (2006).
[Crossref] [PubMed]

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

2005 (1)

B. Koopmans, J. J. M. Ruigrok, F. D. Longa, and W. J. M. de Jonge, “Unifying Ultrafast Magnetization Dynamics,” Phys. Rev. Lett. 95(26), 267207 (2005).
[Crossref] [PubMed]

2004 (4)

D. J. Hilton, R. D. Averitt, C. A. Meserole, G. L. Fisher, D. J. Funk, J. D. Thompson, and A. J. Taylor, “Terahertz emission via ultrashort-pulse excitation of magnetic metal films,” Opt. Lett. 29(15), 1805–1807 (2004).
[Crossref] [PubMed]

P. H. Siegel, “Terahertz technology in biology and medicine,” IEEE Trans. Microw. Theory 52(10), 2438–2447 (2004).

F. Kadlec, P. Kužel, and J.-L. Coutaz, “Optical rectification at metal surfaces,” Opt. Lett. 29(22), 2674–2676 (2004).
[Crossref] [PubMed]

E. Beaurepaire, G. M. Turner, S. M. Harrel, M. C. Beard, J.-Y. Bigot, and C. A. Schmuttenmaer, “Coherent terahertz emission from ferromagnetic films excited by femtosecond laser pulses,” Appl. Phys. Lett. 84(18), 3465–3467 (2004).
[Crossref]

2003 (1)

H. S. Rhie, H. A. Dürr, and W. Eberhardt, “Femtosecond Electron and Spin Dynamics in Ni/W(110) films,” Phys. Rev. Lett. 90(24), 247201 (2003).
[Crossref] [PubMed]

2002 (3)

T. Masahiko, H. Michael, and S. Kiyomi, “Generation and detection of terahertz pulsed radiation with photoconductive antennas and its application to imaging,” Meas. Sci. Technol. 13(11), 1739–1745 (2002).
[Crossref]

A. Davies, E. Linfield, and M. Johnston, “The development of terahertz sources and their applications,” Phys. Med. Biol. 47(21), 3679 (2002).

S. Mizukami, Y. Ando, and T. Miyazaki, “Effect of spin diffusion on Gilbert damping for a very thin permalloy layer in Cu/permalloy/Cu/Pt films,” Phys. Rev. B 66(10), 104413 (2002).
[Crossref]

2001 (2)

R. Urban, G. Woltersdorf, and B. Heinrich, “Gilbert Damping in single and Multilayer Ultrathin Films: Role of Interfaces In Nonlocal Spin Dynamics,” Phys. Rev. Lett. 87(21), 217204 (2001).
[Crossref] [PubMed]

T. Kondo, M. Tonouchi, and M. Hangyo, “THz beam generation from YBCO thin films using a 1.55 m femtosecond laser,” IEEE Trans. Appl. Supercond. 11(1), 3166–3169 (2001).
[Crossref]

1996 (2)

T. Dekorsy, H. Auer, H. J. Bakker, H. G. Roskos, and H. Kurz, “THz electromagnetic emission by coherent infrared-active phonons,” Phys. Rev. B Condens. Matter 53(7), 4005–4014 (1996).
[Crossref] [PubMed]

E. Beaurepaire, J. Merle, A. Daunois, and J. Bigot, “Ultrafast spin dynamics in ferromagnetic nickel,” Phys. Rev. Lett. 76(22), 4250–4253 (1996).
[Crossref] [PubMed]

1985 (1)

M. Johnson and R. H. Silsbee, “Interfacial charge-spin coupling: Injection and detection of spin magnetization in metals,” Phys. Rev. Lett. 55(17), 1790–1793 (1985).
[Crossref] [PubMed]

Abhilash, T. S.

M. Venkatesh, K. S. Rao, T. S. Abhilash, S. P. Tewari, and A. K. Chaudhary, “Optical characterization of GaAs photoconductive antennas for efficient generation and detection of Terahertz radiation,” Opt. Mater. 36(3), 596–601 (2014).
[Crossref]

Abid, M.

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
[Crossref]

Ando, Y.

S. Mizukami, Y. Ando, and T. Miyazaki, “Effect of spin diffusion on Gilbert damping for a very thin permalloy layer in Cu/permalloy/Cu/Pt films,” Phys. Rev. B 66(10), 104413 (2002).
[Crossref]

Auer, H.

T. Dekorsy, H. Auer, H. J. Bakker, H. G. Roskos, and H. Kurz, “THz electromagnetic emission by coherent infrared-active phonons,” Phys. Rev. B Condens. Matter 53(7), 4005–4014 (1996).
[Crossref] [PubMed]

Averitt, R. D.

C. A. Meserole, G. L. Fisher, D. J. Hilton, R. D. Averitt, D. J. Funk, and A. J. Taylor, “Growth of thin Fe(0 0 1) films for terahertz emission experiments,” Appl. Surf. Sci. 253(17), 6992–7003 (2007).
[Crossref]

D. J. Hilton, R. D. Averitt, C. A. Meserole, G. L. Fisher, D. J. Funk, J. D. Thompson, and A. J. Taylor, “Terahertz emission via ultrashort-pulse excitation of magnetic metal films,” Opt. Lett. 29(15), 1805–1807 (2004).
[Crossref] [PubMed]

Avetisyan, Y.

Bakker, H. J.

T. Dekorsy, H. Auer, H. J. Bakker, H. G. Roskos, and H. Kurz, “THz electromagnetic emission by coherent infrared-active phonons,” Phys. Rev. B Condens. Matter 53(7), 4005–4014 (1996).
[Crossref] [PubMed]

Barati, E.

E. Barati, M. Cinal, D. M. Edwards, and A. Umerski, “Gilbert damping in magnetic layered systems,” Phys. Rev. B 90(1), 014420 (2014).
[Crossref]

Barnes, W. L.

D. K. Polyushkin, I. Márton, P. Rácz, P. Dombi, E. Hendry, and W. L. Barnes, “Mechanisms of THz generation from silver nanoparticle and nanohole arrays illuminated by 100 fs pulses of infrared light,” Phys. Rev. B 89(12), 125426 (2014).
[Crossref]

D. K. Polyushkin, E. Hendry, E. K. Stone, and W. L. Barnes, “THz generation from plasmonic nanoparticle arrays,” Nano Lett. 11(11), 4718–4724 (2011).
[Crossref] [PubMed]

Beard, M. C.

E. Beaurepaire, G. M. Turner, S. M. Harrel, M. C. Beard, J.-Y. Bigot, and C. A. Schmuttenmaer, “Coherent terahertz emission from ferromagnetic films excited by femtosecond laser pulses,” Appl. Phys. Lett. 84(18), 3465–3467 (2004).
[Crossref]

Beaurepaire, E.

E. Beaurepaire, G. M. Turner, S. M. Harrel, M. C. Beard, J.-Y. Bigot, and C. A. Schmuttenmaer, “Coherent terahertz emission from ferromagnetic films excited by femtosecond laser pulses,” Appl. Phys. Lett. 84(18), 3465–3467 (2004).
[Crossref]

E. Beaurepaire, J. Merle, A. Daunois, and J. Bigot, “Ultrafast spin dynamics in ferromagnetic nickel,” Phys. Rev. Lett. 76(22), 4250–4253 (1996).
[Crossref] [PubMed]

Benseman, T. M.

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

Bergeard, N.

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

Bigot, J.

E. Beaurepaire, J. Merle, A. Daunois, and J. Bigot, “Ultrafast spin dynamics in ferromagnetic nickel,” Phys. Rev. Lett. 76(22), 4250–4253 (1996).
[Crossref] [PubMed]

Bigot, J.-Y.

E. Beaurepaire, G. M. Turner, S. M. Harrel, M. C. Beard, J.-Y. Bigot, and C. A. Schmuttenmaer, “Coherent terahertz emission from ferromagnetic films excited by femtosecond laser pulses,” Appl. Phys. Lett. 84(18), 3465–3467 (2004).
[Crossref]

Boothman, C.

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
[Crossref]

Bovensiepen, U.

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
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Burnett, A. D.

A. G. Davies, A. D. Burnett, W. Fan, E. H. Linfield, and J. E. Cunningham, “Terahertz spectroscopy of explosives and drugs,” Mater. Today 11(3), 18–26 (2008).
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M. Venkatesh, K. S. Rao, T. S. Abhilash, S. P. Tewari, and A. K. Chaudhary, “Optical characterization of GaAs photoconductive antennas for efficient generation and detection of Terahertz radiation,” Opt. Mater. 36(3), 596–601 (2014).
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Chen, Z.

J. Shen, X. Fan, Z. Chen, M. F. DeCamp, H. Zhang, and J. Q. Xiao, “Damping modulated terahertz emission of ferromagnetic films excited by ultrafast laser pulses,” Appl. Phys. Lett. 101(7), 072401 (2012).
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Chun, B. S.

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
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Coutaz, J.-L.

Cunningham, J. E.

A. G. Davies, A. D. Burnett, W. Fan, E. H. Linfield, and J. E. Cunningham, “Terahertz spectroscopy of explosives and drugs,” Mater. Today 11(3), 18–26 (2008).
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Dai, J.

X. Xie, J. Dai, and X. C. Zhang, “Coherent Control of THz Wave Generation in Ambient Air,” Phys. Rev. Lett. 96(7), 075005 (2006).
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C. W. Lawn, D. Jason, and M. M. Daniel, “Imaging with Terahertz radiation,” Rep. Prog. Phys. 70(8), 1325 (2007).

Daunois, A.

E. Beaurepaire, J. Merle, A. Daunois, and J. Bigot, “Ultrafast spin dynamics in ferromagnetic nickel,” Phys. Rev. Lett. 76(22), 4250–4253 (1996).
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Davies, A.

A. Davies, E. Linfield, and M. Johnston, “The development of terahertz sources and their applications,” Phys. Med. Biol. 47(21), 3679 (2002).

Davies, A. G.

A. G. Davies, A. D. Burnett, W. Fan, E. H. Linfield, and J. E. Cunningham, “Terahertz spectroscopy of explosives and drugs,” Mater. Today 11(3), 18–26 (2008).
[Crossref]

de Jonge, W. J. M.

B. Koopmans, J. J. M. Ruigrok, F. D. Longa, and W. J. M. de Jonge, “Unifying Ultrafast Magnetization Dynamics,” Phys. Rev. Lett. 95(26), 267207 (2005).
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DeCamp, M. F.

J. Shen, X. Fan, Z. Chen, M. F. DeCamp, H. Zhang, and J. Q. Xiao, “Damping modulated terahertz emission of ferromagnetic films excited by ultrafast laser pulses,” Appl. Phys. Lett. 101(7), 072401 (2012).
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Dekorsy, T.

T. Dekorsy, H. Auer, H. J. Bakker, H. G. Roskos, and H. Kurz, “THz electromagnetic emission by coherent infrared-active phonons,” Phys. Rev. B Condens. Matter 53(7), 4005–4014 (1996).
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Dhillon, S.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Dombi, P.

D. K. Polyushkin, I. Márton, P. Rácz, P. Dombi, E. Hendry, and W. L. Barnes, “Mechanisms of THz generation from silver nanoparticle and nanohole arrays illuminated by 100 fs pulses of infrared light,” Phys. Rev. B 89(12), 125426 (2014).
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H. S. Rhie, H. A. Dürr, and W. Eberhardt, “Femtosecond Electron and Spin Dynamics in Ni/W(110) films,” Phys. Rev. Lett. 90(24), 247201 (2003).
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E. Barati, M. Cinal, D. M. Edwards, and A. Umerski, “Gilbert damping in magnetic layered systems,” Phys. Rev. B 90(1), 014420 (2014).
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Eschenlohr, A.

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

Fan, W.

A. G. Davies, A. D. Burnett, W. Fan, E. H. Linfield, and J. E. Cunningham, “Terahertz spectroscopy of explosives and drugs,” Mater. Today 11(3), 18–26 (2008).
[Crossref]

Fan, X.

J. Shen, X. Fan, Z. Chen, M. F. DeCamp, H. Zhang, and J. Q. Xiao, “Damping modulated terahertz emission of ferromagnetic films excited by ultrafast laser pulses,” Appl. Phys. Lett. 101(7), 072401 (2012).
[Crossref]

Fisher, G. L.

C. A. Meserole, G. L. Fisher, D. J. Hilton, R. D. Averitt, D. J. Funk, and A. J. Taylor, “Growth of thin Fe(0 0 1) films for terahertz emission experiments,” Appl. Surf. Sci. 253(17), 6992–7003 (2007).
[Crossref]

D. J. Hilton, R. D. Averitt, C. A. Meserole, G. L. Fisher, D. J. Funk, J. D. Thompson, and A. J. Taylor, “Terahertz emission via ultrashort-pulse excitation of magnetic metal films,” Opt. Lett. 29(15), 1805–1807 (2004).
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Funk, D. J.

C. A. Meserole, G. L. Fisher, D. J. Hilton, R. D. Averitt, D. J. Funk, and A. J. Taylor, “Growth of thin Fe(0 0 1) films for terahertz emission experiments,” Appl. Surf. Sci. 253(17), 6992–7003 (2007).
[Crossref]

D. J. Hilton, R. D. Averitt, C. A. Meserole, G. L. Fisher, D. J. Funk, J. D. Thompson, and A. J. Taylor, “Terahertz emission via ultrashort-pulse excitation of magnetic metal films,” Opt. Lett. 29(15), 1805–1807 (2004).
[Crossref] [PubMed]

Glosser, A.

Gómez, J.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Hamann, C.

J. Walowski, M. D. Kaufmann, B. Lenk, C. Hamann, J. McCord, and M. Münzenberg, “Intrinsic and non-local Gilbert damping in polycrystalline nickel studied by Ti: sapphire laser fs spectroscopy,” J. Phys. D Appl. Phys. 41(16), 164016 (2008).
[Crossref]

Hangyo, M.

J. Nishitani, K. Kozuki, T. Nagashima, and M. Hangyo, “Terahertz radiation from coherent antiferromagnetic magnons excited by femtosecond laser pulses,” Appl. Phys. Lett. 96(22), 221906 (2010).
[Crossref]

T. Kondo, M. Tonouchi, and M. Hangyo, “THz beam generation from YBCO thin films using a 1.55 m femtosecond laser,” IEEE Trans. Appl. Supercond. 11(1), 3166–3169 (2001).
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E. Beaurepaire, G. M. Turner, S. M. Harrel, M. C. Beard, J.-Y. Bigot, and C. A. Schmuttenmaer, “Coherent terahertz emission from ferromagnetic films excited by femtosecond laser pulses,” Appl. Phys. Lett. 84(18), 3465–3467 (2004).
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R. Urban, G. Woltersdorf, and B. Heinrich, “Gilbert Damping in single and Multilayer Ultrathin Films: Role of Interfaces In Nonlocal Spin Dynamics,” Phys. Rev. Lett. 87(21), 217204 (2001).
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Hendry, E.

R. V. Mikhaylovskiy, E. Hendry, V. V. Kruglyak, R. V. Pisarev, T. Rasing, and A. V. Kimel, “Terahertz emission spectroscopy of laser-induced spin dynamics in TmFeO3 and ErFeO3 orthoferrites,” Phys. Rev. B 90(18), 184405 (2014).
[Crossref]

D. K. Polyushkin, I. Márton, P. Rácz, P. Dombi, E. Hendry, and W. L. Barnes, “Mechanisms of THz generation from silver nanoparticle and nanohole arrays illuminated by 100 fs pulses of infrared light,” Phys. Rev. B 89(12), 125426 (2014).
[Crossref]

D. K. Polyushkin, E. Hendry, E. K. Stone, and W. L. Barnes, “THz generation from plasmonic nanoparticle arrays,” Nano Lett. 11(11), 4718–4724 (2011).
[Crossref] [PubMed]

Hilton, D. J.

C. A. Meserole, G. L. Fisher, D. J. Hilton, R. D. Averitt, D. J. Funk, and A. J. Taylor, “Growth of thin Fe(0 0 1) films for terahertz emission experiments,” Appl. Surf. Sci. 253(17), 6992–7003 (2007).
[Crossref]

D. J. Hilton, R. D. Averitt, C. A. Meserole, G. L. Fisher, D. J. Funk, J. D. Thompson, and A. J. Taylor, “Terahertz emission via ultrashort-pulse excitation of magnetic metal films,” Opt. Lett. 29(15), 1805–1807 (2004).
[Crossref] [PubMed]

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S. Jian, Z. Huai-Wu, and L. Yuan-Xun, “Terahertz Emission of Ferromagnetic Ni-Fe Thin Films Excited by Ultrafast Laser Pulses,” Chin. Phys. Lett. 29(6), 067502 (2012).
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G. H. Welsh, N. T. Hunt, and K. Wynne, “Terahertz-pulse emission through laser excitation of surface plasmons in a metal grating,” Phys. Rev. Lett. 98(2), 026803 (2007).
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C. W. Lawn, D. Jason, and M. M. Daniel, “Imaging with Terahertz radiation,” Rep. Prog. Phys. 70(8), 1325 (2007).

Jian, S.

S. Jian, Z. Huai-Wu, and L. Yuan-Xun, “Terahertz Emission of Ferromagnetic Ni-Fe Thin Films Excited by Ultrafast Laser Pulses,” Chin. Phys. Lett. 29(6), 067502 (2012).
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Johnson, M.

M. Johnson and R. H. Silsbee, “Interfacial charge-spin coupling: Injection and detection of spin magnetization in metals,” Phys. Rev. Lett. 55(17), 1790–1793 (1985).
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Johnston, M.

A. Davies, E. Linfield, and M. Johnston, “The development of terahertz sources and their applications,” Phys. Med. Biol. 47(21), 3679 (2002).

Jukam, N.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Kabos, P.

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

Kachel, T.

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

Kadlec, F.

Kadowaki, K.

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

Kalarickal, S. S.

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

Karczewski, G.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Kaufmann, M. D.

J. Walowski, M. D. Kaufmann, B. Lenk, C. Hamann, J. McCord, and M. Münzenberg, “Intrinsic and non-local Gilbert damping in polycrystalline nickel studied by Ti: sapphire laser fs spectroscopy,” J. Phys. D Appl. Phys. 41(16), 164016 (2008).
[Crossref]

Kawayama, I.

Kimel, A. V.

R. V. Mikhaylovskiy, E. Hendry, V. V. Kruglyak, R. V. Pisarev, T. Rasing, and A. V. Kimel, “Terahertz emission spectroscopy of laser-induced spin dynamics in TmFeO3 and ErFeO3 orthoferrites,” Phys. Rev. B 90(18), 184405 (2014).
[Crossref]

Kiyomi, S.

T. Masahiko, H. Michael, and S. Kiyomi, “Generation and detection of terahertz pulsed radiation with photoconductive antennas and its application to imaging,” Meas. Sci. Technol. 13(11), 1739–1745 (2002).
[Crossref]

Kolkovsky, V.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Kondo, T.

T. Kondo, M. Tonouchi, and M. Hangyo, “THz beam generation from YBCO thin films using a 1.55 m femtosecond laser,” IEEE Trans. Appl. Supercond. 11(1), 3166–3169 (2001).
[Crossref]

Koopmans, B.

B. Koopmans, J. J. M. Ruigrok, F. D. Longa, and W. J. M. de Jonge, “Unifying Ultrafast Magnetization Dynamics,” Phys. Rev. Lett. 95(26), 267207 (2005).
[Crossref] [PubMed]

Koshelev, A. E.

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

Kozuki, K.

J. Nishitani, K. Kozuki, T. Nagashima, and M. Hangyo, “Terahertz radiation from coherent antiferromagnetic magnons excited by femtosecond laser pulses,” Appl. Phys. Lett. 96(22), 221906 (2010).
[Crossref]

Krivosik, P.

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

Kruglyak, V. V.

R. V. Mikhaylovskiy, E. Hendry, V. V. Kruglyak, R. V. Pisarev, T. Rasing, and A. V. Kimel, “Terahertz emission spectroscopy of laser-induced spin dynamics in TmFeO3 and ErFeO3 orthoferrites,” Phys. Rev. B 90(18), 184405 (2014).
[Crossref]

Kurz, H.

T. Dekorsy, H. Auer, H. J. Bakker, H. G. Roskos, and H. Kurz, “THz electromagnetic emission by coherent infrared-active phonons,” Phys. Rev. B Condens. Matter 53(7), 4005–4014 (1996).
[Crossref] [PubMed]

Kužel, P.

Kwok, W.-K.

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

Lawn, C. W.

C. W. Lawn, D. Jason, and M. M. Daniel, “Imaging with Terahertz radiation,” Rep. Prog. Phys. 70(8), 1325 (2007).

Lenk, B.

J. Walowski, M. D. Kaufmann, B. Lenk, C. Hamann, J. McCord, and M. Münzenberg, “Intrinsic and non-local Gilbert damping in polycrystalline nickel studied by Ti: sapphire laser fs spectroscopy,” J. Phys. D Appl. Phys. 41(16), 164016 (2008).
[Crossref]

Linfield, E.

A. Davies, E. Linfield, and M. Johnston, “The development of terahertz sources and their applications,” Phys. Med. Biol. 47(21), 3679 (2002).

Linfield, E. H.

A. G. Davies, A. D. Burnett, W. Fan, E. H. Linfield, and J. E. Cunningham, “Terahertz spectroscopy of explosives and drugs,” Mater. Today 11(3), 18–26 (2008).
[Crossref]

Longa, F. D.

B. Koopmans, J. J. M. Ruigrok, F. D. Longa, and W. J. M. de Jonge, “Unifying Ultrafast Magnetization Dynamics,” Phys. Rev. Lett. 95(26), 267207 (2005).
[Crossref] [PubMed]

Madéo, J.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Márton, I.

D. K. Polyushkin, I. Márton, P. Rácz, P. Dombi, E. Hendry, and W. L. Barnes, “Mechanisms of THz generation from silver nanoparticle and nanohole arrays illuminated by 100 fs pulses of infrared light,” Phys. Rev. B 89(12), 125426 (2014).
[Crossref]

Masahiko, T.

T. Masahiko, H. Michael, and S. Kiyomi, “Generation and detection of terahertz pulsed radiation with photoconductive antennas and its application to imaging,” Meas. Sci. Technol. 13(11), 1739–1745 (2002).
[Crossref]

McCord, J.

J. Walowski, M. D. Kaufmann, B. Lenk, C. Hamann, J. McCord, and M. Münzenberg, “Intrinsic and non-local Gilbert damping in polycrystalline nickel studied by Ti: sapphire laser fs spectroscopy,” J. Phys. D Appl. Phys. 41(16), 164016 (2008).
[Crossref]

Melnikov, A.

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

Merle, J.

E. Beaurepaire, J. Merle, A. Daunois, and J. Bigot, “Ultrafast spin dynamics in ferromagnetic nickel,” Phys. Rev. Lett. 76(22), 4250–4253 (1996).
[Crossref] [PubMed]

Meserole, C. A.

C. A. Meserole, G. L. Fisher, D. J. Hilton, R. D. Averitt, D. J. Funk, and A. J. Taylor, “Growth of thin Fe(0 0 1) films for terahertz emission experiments,” Appl. Surf. Sci. 253(17), 6992–7003 (2007).
[Crossref]

D. J. Hilton, R. D. Averitt, C. A. Meserole, G. L. Fisher, D. J. Funk, J. D. Thompson, and A. J. Taylor, “Terahertz emission via ultrashort-pulse excitation of magnetic metal films,” Opt. Lett. 29(15), 1805–1807 (2004).
[Crossref] [PubMed]

Michael, H.

T. Masahiko, H. Michael, and S. Kiyomi, “Generation and detection of terahertz pulsed radiation with photoconductive antennas and its application to imaging,” Meas. Sci. Technol. 13(11), 1739–1745 (2002).
[Crossref]

Mikhaylovskiy, R. V.

R. V. Mikhaylovskiy, E. Hendry, V. V. Kruglyak, R. V. Pisarev, T. Rasing, and A. V. Kimel, “Terahertz emission spectroscopy of laser-induced spin dynamics in TmFeO3 and ErFeO3 orthoferrites,” Phys. Rev. B 90(18), 184405 (2014).
[Crossref]

Minami, H.

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

Miyazaki, T.

S. Mizukami, Y. Ando, and T. Miyazaki, “Effect of spin diffusion on Gilbert damping for a very thin permalloy layer in Cu/permalloy/Cu/Pt films,” Phys. Rev. B 66(10), 104413 (2002).
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Mizukami, S.

S. Mizukami, Y. Ando, and T. Miyazaki, “Effect of spin diffusion on Gilbert damping for a very thin permalloy layer in Cu/permalloy/Cu/Pt films,” Phys. Rev. B 66(10), 104413 (2002).
[Crossref]

Münzenberg, M.

J. Walowski, M. D. Kaufmann, B. Lenk, C. Hamann, J. McCord, and M. Münzenberg, “Intrinsic and non-local Gilbert damping in polycrystalline nickel studied by Ti: sapphire laser fs spectroscopy,” J. Phys. D Appl. Phys. 41(16), 164016 (2008).
[Crossref]

Münzenberg, M. G.

M. G. Münzenberg, “Magnetization dynamics: Ferromagnets stirred up,” Nat. Mater. 9(3), 184–185 (2010).
[Crossref] [PubMed]

Murakami, H.

Nagashima, T.

J. Nishitani, K. Kozuki, T. Nagashima, and M. Hangyo, “Terahertz radiation from coherent antiferromagnetic magnons excited by femtosecond laser pulses,” Appl. Phys. Lett. 96(22), 221906 (2010).
[Crossref]

Nibarger, J. P.

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

Nishitani, J.

J. Nishitani, K. Kozuki, T. Nagashima, and M. Hangyo, “Terahertz radiation from coherent antiferromagnetic magnons excited by femtosecond laser pulses,” Appl. Phys. Lett. 96(22), 221906 (2010).
[Crossref]

Oustinov, D.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Patton, C. E.

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

Perez, F.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Pisarev, R. V.

R. V. Mikhaylovskiy, E. Hendry, V. V. Kruglyak, R. V. Pisarev, T. Rasing, and A. V. Kimel, “Terahertz emission spectroscopy of laser-induced spin dynamics in TmFeO3 and ErFeO3 orthoferrites,” Phys. Rev. B 90(18), 184405 (2014).
[Crossref]

Planken, P. C.

Polyushkin, D. K.

D. K. Polyushkin, I. Márton, P. Rácz, P. Dombi, E. Hendry, and W. L. Barnes, “Mechanisms of THz generation from silver nanoparticle and nanohole arrays illuminated by 100 fs pulses of infrared light,” Phys. Rev. B 89(12), 125426 (2014).
[Crossref]

D. K. Polyushkin, E. Hendry, E. K. Stone, and W. L. Barnes, “THz generation from plasmonic nanoparticle arrays,” Nano Lett. 11(11), 4718–4724 (2011).
[Crossref] [PubMed]

Rácz, P.

D. K. Polyushkin, I. Márton, P. Rácz, P. Dombi, E. Hendry, and W. L. Barnes, “Mechanisms of THz generation from silver nanoparticle and nanohole arrays illuminated by 100 fs pulses of infrared light,” Phys. Rev. B 89(12), 125426 (2014).
[Crossref]

Ramakrishnan, G.

Rao, K. S.

M. Venkatesh, K. S. Rao, T. S. Abhilash, S. P. Tewari, and A. K. Chaudhary, “Optical characterization of GaAs photoconductive antennas for efficient generation and detection of Terahertz radiation,” Opt. Mater. 36(3), 596–601 (2014).
[Crossref]

Rasing, T.

R. V. Mikhaylovskiy, E. Hendry, V. V. Kruglyak, R. V. Pisarev, T. Rasing, and A. V. Kimel, “Terahertz emission spectroscopy of laser-induced spin dynamics in TmFeO3 and ErFeO3 orthoferrites,” Phys. Rev. B 90(18), 184405 (2014).
[Crossref]

Rhie, H. S.

H. S. Rhie, H. A. Dürr, and W. Eberhardt, “Femtosecond Electron and Spin Dynamics in Ni/W(110) films,” Phys. Rev. Lett. 90(24), 247201 (2003).
[Crossref] [PubMed]

Roskos, H. G.

T. Dekorsy, H. Auer, H. J. Bakker, H. G. Roskos, and H. Kurz, “THz electromagnetic emission by coherent infrared-active phonons,” Phys. Rev. B Condens. Matter 53(7), 4005–4014 (1996).
[Crossref] [PubMed]

Ruigrok, J. J. M.

B. Koopmans, J. J. M. Ruigrok, F. D. Longa, and W. J. M. de Jonge, “Unifying Ultrafast Magnetization Dynamics,” Phys. Rev. Lett. 95(26), 267207 (2005).
[Crossref] [PubMed]

Rungsawang, R.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Schmuttenmaer, C. A.

E. Beaurepaire, G. M. Turner, S. M. Harrel, M. C. Beard, J.-Y. Bigot, and C. A. Schmuttenmaer, “Coherent terahertz emission from ferromagnetic films excited by femtosecond laser pulses,” Appl. Phys. Lett. 84(18), 3465–3467 (2004).
[Crossref]

Schneider, M. L.

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

Schumacher, H. W.

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
[Crossref]

Serrano-Guisan, S.

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
[Crossref]

Shen, J.

J. Shen, X. Fan, Z. Chen, M. F. DeCamp, H. Zhang, and J. Q. Xiao, “Damping modulated terahertz emission of ferromagnetic films excited by ultrafast laser pulses,” Appl. Phys. Lett. 101(7), 072401 (2012).
[Crossref]

Shvets, I. V.

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
[Crossref]

Siegel, P. H.

P. H. Siegel, “Terahertz technology in biology and medicine,” IEEE Trans. Microw. Theory 52(10), 2438–2447 (2004).

Silsbee, R. H.

M. Johnson and R. H. Silsbee, “Interfacial charge-spin coupling: Injection and detection of spin magnetization in metals,” Phys. Rev. Lett. 55(17), 1790–1793 (1985).
[Crossref] [PubMed]

Silva, T. J.

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

Stamm, C.

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

Stone, E. K.

D. K. Polyushkin, E. Hendry, E. K. Stone, and W. L. Barnes, “THz generation from plasmonic nanoparticle arrays,” Nano Lett. 11(11), 4718–4724 (2011).
[Crossref] [PubMed]

Sultan, M.

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

Taylor, A. J.

C. A. Meserole, G. L. Fisher, D. J. Hilton, R. D. Averitt, D. J. Funk, and A. J. Taylor, “Growth of thin Fe(0 0 1) films for terahertz emission experiments,” Appl. Surf. Sci. 253(17), 6992–7003 (2007).
[Crossref]

D. J. Hilton, R. D. Averitt, C. A. Meserole, G. L. Fisher, D. J. Funk, J. D. Thompson, and A. J. Taylor, “Terahertz emission via ultrashort-pulse excitation of magnetic metal films,” Opt. Lett. 29(15), 1805–1807 (2004).
[Crossref] [PubMed]

Tewari, S. P.

M. Venkatesh, K. S. Rao, T. S. Abhilash, S. P. Tewari, and A. K. Chaudhary, “Optical characterization of GaAs photoconductive antennas for efficient generation and detection of Terahertz radiation,” Opt. Mater. 36(3), 596–601 (2014).
[Crossref]

Thompson, J. D.

Tignon, J.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Tonouchi, M.

C. Zhang, Y. Avetisyan, A. Glosser, I. Kawayama, H. Murakami, and M. Tonouchi, “Bandwidth tunable THz wave generation in large-area periodically poled lithium niobate,” Opt. Express 20(8), 8784–8790 (2012).
[Crossref] [PubMed]

T. Kondo, M. Tonouchi, and M. Hangyo, “THz beam generation from YBCO thin films using a 1.55 m femtosecond laser,” IEEE Trans. Appl. Supercond. 11(1), 3166–3169 (2001).
[Crossref]

Turner, G. M.

E. Beaurepaire, G. M. Turner, S. M. Harrel, M. C. Beard, J.-Y. Bigot, and C. A. Schmuttenmaer, “Coherent terahertz emission from ferromagnetic films excited by femtosecond laser pulses,” Appl. Phys. Lett. 84(18), 3465–3467 (2004).
[Crossref]

Umerski, A.

E. Barati, M. Cinal, D. M. Edwards, and A. Umerski, “Gilbert damping in magnetic layered systems,” Phys. Rev. B 90(1), 014420 (2014).
[Crossref]

Urban, R.

R. Urban, G. Woltersdorf, and B. Heinrich, “Gilbert Damping in single and Multilayer Ultrathin Films: Role of Interfaces In Nonlocal Spin Dynamics,” Phys. Rev. Lett. 87(21), 217204 (2001).
[Crossref] [PubMed]

Venkatesh, M.

M. Venkatesh, K. S. Rao, T. S. Abhilash, S. P. Tewari, and A. K. Chaudhary, “Optical characterization of GaAs photoconductive antennas for efficient generation and detection of Terahertz radiation,” Opt. Mater. 36(3), 596–601 (2014).
[Crossref]

Vlasko-Vlasov, V. K.

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

Walowski, J.

J. Walowski, M. D. Kaufmann, B. Lenk, C. Hamann, J. McCord, and M. Münzenberg, “Intrinsic and non-local Gilbert damping in polycrystalline nickel studied by Ti: sapphire laser fs spectroscopy,” J. Phys. D Appl. Phys. 41(16), 164016 (2008).
[Crossref]

Watanabe, C.

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

Welp, U.

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

Welsh, G. H.

G. H. Welsh and K. Wynne, “Generation of ultrafast terahertz radiation pulses on metallic nanostructured surfaces,” Opt. Express 17(4), 2470–2480 (2009).
[Crossref] [PubMed]

G. H. Welsh, N. T. Hunt, and K. Wynne, “Terahertz-pulse emission through laser excitation of surface plasmons in a metal grating,” Phys. Rev. Lett. 98(2), 026803 (2007).
[Crossref] [PubMed]

Wieczorek, J.

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

Wojtowicz, T.

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

Woltersdorf, G.

R. Urban, G. Woltersdorf, and B. Heinrich, “Gilbert Damping in single and Multilayer Ultrathin Films: Role of Interfaces In Nonlocal Spin Dynamics,” Phys. Rev. Lett. 87(21), 217204 (2001).
[Crossref] [PubMed]

Wu, H.-C.

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
[Crossref]

Wu, M.

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

Wynne, K.

G. H. Welsh and K. Wynne, “Generation of ultrafast terahertz radiation pulses on metallic nanostructured surfaces,” Opt. Express 17(4), 2470–2480 (2009).
[Crossref] [PubMed]

G. H. Welsh, N. T. Hunt, and K. Wynne, “Terahertz-pulse emission through laser excitation of surface plasmons in a metal grating,” Phys. Rev. Lett. 98(2), 026803 (2007).
[Crossref] [PubMed]

Xiao, J. Q.

J. Shen, X. Fan, Z. Chen, M. F. DeCamp, H. Zhang, and J. Q. Xiao, “Damping modulated terahertz emission of ferromagnetic films excited by ultrafast laser pulses,” Appl. Phys. Lett. 101(7), 072401 (2012).
[Crossref]

Xie, X.

X. Xie, J. Dai, and X. C. Zhang, “Coherent Control of THz Wave Generation in Ambient Air,” Phys. Rev. Lett. 96(7), 075005 (2006).
[Crossref] [PubMed]

Yuan-Xun, L.

S. Jian, Z. Huai-Wu, and L. Yuan-Xun, “Terahertz Emission of Ferromagnetic Ni-Fe Thin Films Excited by Ultrafast Laser Pulses,” Chin. Phys. Lett. 29(6), 067502 (2012).
[Crossref]

Zhang, C.

Zhang, H.

J. Shen, X. Fan, Z. Chen, M. F. DeCamp, H. Zhang, and J. Q. Xiao, “Damping modulated terahertz emission of ferromagnetic films excited by ultrafast laser pulses,” Appl. Phys. Lett. 101(7), 072401 (2012).
[Crossref]

Zhang, X. C.

X. Xie, J. Dai, and X. C. Zhang, “Coherent Control of THz Wave Generation in Ambient Air,” Phys. Rev. Lett. 96(7), 075005 (2006).
[Crossref] [PubMed]

Appl. Phys. Lett. (3)

E. Beaurepaire, G. M. Turner, S. M. Harrel, M. C. Beard, J.-Y. Bigot, and C. A. Schmuttenmaer, “Coherent terahertz emission from ferromagnetic films excited by femtosecond laser pulses,” Appl. Phys. Lett. 84(18), 3465–3467 (2004).
[Crossref]

J. Nishitani, K. Kozuki, T. Nagashima, and M. Hangyo, “Terahertz radiation from coherent antiferromagnetic magnons excited by femtosecond laser pulses,” Appl. Phys. Lett. 96(22), 221906 (2010).
[Crossref]

J. Shen, X. Fan, Z. Chen, M. F. DeCamp, H. Zhang, and J. Q. Xiao, “Damping modulated terahertz emission of ferromagnetic films excited by ultrafast laser pulses,” Appl. Phys. Lett. 101(7), 072401 (2012).
[Crossref]

Appl. Surf. Sci. (1)

C. A. Meserole, G. L. Fisher, D. J. Hilton, R. D. Averitt, D. J. Funk, and A. J. Taylor, “Growth of thin Fe(0 0 1) films for terahertz emission experiments,” Appl. Surf. Sci. 253(17), 6992–7003 (2007).
[Crossref]

Chin. Phys. Lett. (1)

S. Jian, Z. Huai-Wu, and L. Yuan-Xun, “Terahertz Emission of Ferromagnetic Ni-Fe Thin Films Excited by Ultrafast Laser Pulses,” Chin. Phys. Lett. 29(6), 067502 (2012).
[Crossref]

IEEE Trans. Appl. Supercond. (1)

T. Kondo, M. Tonouchi, and M. Hangyo, “THz beam generation from YBCO thin films using a 1.55 m femtosecond laser,” IEEE Trans. Appl. Supercond. 11(1), 3166–3169 (2001).
[Crossref]

IEEE Trans. Microw. Theory (1)

P. H. Siegel, “Terahertz technology in biology and medicine,” IEEE Trans. Microw. Theory 52(10), 2438–2447 (2004).

J. Appl. Phys. (3)

T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe, “Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sources,” J. Appl. Phys. 113(13), 133902 (2013).
[Crossref]

S. Serrano-Guisan, H.-C. Wu, C. Boothman, M. Abid, B. S. Chun, I. V. Shvets, and H. W. Schumacher, “Thickness dependence of the effective damping in epitaxial Fe3O4/MgO thin films,” J. Appl. Phys. 109(1), 013907 (2011).
[Crossref]

S. S. Kalarickal, P. Krivosik, M. Wu, C. E. Patton, M. L. Schneider, P. Kabos, T. J. Silva, and J. P. Nibarger, “Ferromagnetic resonance linewidth in metallic thin films: Comparison of measurement methods,” J. Appl. Phys. 99(9), 093909 (2006).
[Crossref]

J. Phys. D Appl. Phys. (1)

J. Walowski, M. D. Kaufmann, B. Lenk, C. Hamann, J. McCord, and M. Münzenberg, “Intrinsic and non-local Gilbert damping in polycrystalline nickel studied by Ti: sapphire laser fs spectroscopy,” J. Phys. D Appl. Phys. 41(16), 164016 (2008).
[Crossref]

Mater. Today (1)

A. G. Davies, A. D. Burnett, W. Fan, E. H. Linfield, and J. E. Cunningham, “Terahertz spectroscopy of explosives and drugs,” Mater. Today 11(3), 18–26 (2008).
[Crossref]

Meas. Sci. Technol. (1)

T. Masahiko, H. Michael, and S. Kiyomi, “Generation and detection of terahertz pulsed radiation with photoconductive antennas and its application to imaging,” Meas. Sci. Technol. 13(11), 1739–1745 (2002).
[Crossref]

Nano Lett. (1)

D. K. Polyushkin, E. Hendry, E. K. Stone, and W. L. Barnes, “THz generation from plasmonic nanoparticle arrays,” Nano Lett. 11(11), 4718–4724 (2011).
[Crossref] [PubMed]

Nat. Mater. (1)

M. G. Münzenberg, “Magnetization dynamics: Ferromagnets stirred up,” Nat. Mater. 9(3), 184–185 (2010).
[Crossref] [PubMed]

Opt. Express (2)

Opt. Lett. (3)

Opt. Mater. (1)

M. Venkatesh, K. S. Rao, T. S. Abhilash, S. P. Tewari, and A. K. Chaudhary, “Optical characterization of GaAs photoconductive antennas for efficient generation and detection of Terahertz radiation,” Opt. Mater. 36(3), 596–601 (2014).
[Crossref]

Phys. Med. Biol. (1)

A. Davies, E. Linfield, and M. Johnston, “The development of terahertz sources and their applications,” Phys. Med. Biol. 47(21), 3679 (2002).

Phys. Rev. B (5)

D. K. Polyushkin, I. Márton, P. Rácz, P. Dombi, E. Hendry, and W. L. Barnes, “Mechanisms of THz generation from silver nanoparticle and nanohole arrays illuminated by 100 fs pulses of infrared light,” Phys. Rev. B 89(12), 125426 (2014).
[Crossref]

A. Eschenlohr, M. Sultan, A. Melnikov, N. Bergeard, J. Wieczorek, T. Kachel, C. Stamm, and U. Bovensiepen, “Role of spin-lattice coupling in the ultrafast demagnetization of Gd 1−x Tb x alloys,” Phys. Rev. B 89(21), 214423 (2014).
[Crossref]

S. Mizukami, Y. Ando, and T. Miyazaki, “Effect of spin diffusion on Gilbert damping for a very thin permalloy layer in Cu/permalloy/Cu/Pt films,” Phys. Rev. B 66(10), 104413 (2002).
[Crossref]

E. Barati, M. Cinal, D. M. Edwards, and A. Umerski, “Gilbert damping in magnetic layered systems,” Phys. Rev. B 90(1), 014420 (2014).
[Crossref]

R. V. Mikhaylovskiy, E. Hendry, V. V. Kruglyak, R. V. Pisarev, T. Rasing, and A. V. Kimel, “Terahertz emission spectroscopy of laser-induced spin dynamics in TmFeO3 and ErFeO3 orthoferrites,” Phys. Rev. B 90(18), 184405 (2014).
[Crossref]

Phys. Rev. B Condens. Matter (1)

T. Dekorsy, H. Auer, H. J. Bakker, H. G. Roskos, and H. Kurz, “THz electromagnetic emission by coherent infrared-active phonons,” Phys. Rev. B Condens. Matter 53(7), 4005–4014 (1996).
[Crossref] [PubMed]

Phys. Rev. Lett. (8)

R. Rungsawang, F. Perez, D. Oustinov, J. Gómez, V. Kolkovsky, G. Karczewski, T. Wojtowicz, J. Madéo, N. Jukam, S. Dhillon, and J. Tignon, “Terahertz radiation from magnetic excitations in diluted magnetic semiconductors,” Phys. Rev. Lett. 110(17), 177203 (2013).
[Crossref] [PubMed]

G. H. Welsh, N. T. Hunt, and K. Wynne, “Terahertz-pulse emission through laser excitation of surface plasmons in a metal grating,” Phys. Rev. Lett. 98(2), 026803 (2007).
[Crossref] [PubMed]

X. Xie, J. Dai, and X. C. Zhang, “Coherent Control of THz Wave Generation in Ambient Air,” Phys. Rev. Lett. 96(7), 075005 (2006).
[Crossref] [PubMed]

M. Johnson and R. H. Silsbee, “Interfacial charge-spin coupling: Injection and detection of spin magnetization in metals,” Phys. Rev. Lett. 55(17), 1790–1793 (1985).
[Crossref] [PubMed]

E. Beaurepaire, J. Merle, A. Daunois, and J. Bigot, “Ultrafast spin dynamics in ferromagnetic nickel,” Phys. Rev. Lett. 76(22), 4250–4253 (1996).
[Crossref] [PubMed]

H. S. Rhie, H. A. Dürr, and W. Eberhardt, “Femtosecond Electron and Spin Dynamics in Ni/W(110) films,” Phys. Rev. Lett. 90(24), 247201 (2003).
[Crossref] [PubMed]

B. Koopmans, J. J. M. Ruigrok, F. D. Longa, and W. J. M. de Jonge, “Unifying Ultrafast Magnetization Dynamics,” Phys. Rev. Lett. 95(26), 267207 (2005).
[Crossref] [PubMed]

R. Urban, G. Woltersdorf, and B. Heinrich, “Gilbert Damping in single and Multilayer Ultrathin Films: Role of Interfaces In Nonlocal Spin Dynamics,” Phys. Rev. Lett. 87(21), 217204 (2001).
[Crossref] [PubMed]

Rep. Prog. Phys. (1)

C. W. Lawn, D. Jason, and M. M. Daniel, “Imaging with Terahertz radiation,” Rep. Prog. Phys. 70(8), 1325 (2007).

Other (4)

R. Miles, X.-C. Zhang, H. Eisele, and A. Krotkus, Terahertz Frequency Detection and Identification of Materials and Objects (Springer Science & Business Media, 2007).

V. V. Kruglyak, M. E. Portnoi, and R. J. Hicken, “Use of the Faraday optical transformer for ultrafast magnetization reversal of nanomagnets,” J. Nanophotonics 1(1), 013502–013502–013508 (2007).
[Crossref]

X. Wu, B. Quan, X. Xu, F. Hu, X. Lu, C. Gu, and L. Wang, “Effect of inhomogeneity and plasmons on terahertz radiation from GaAs (1 0 0) surface coated with rough Au film,” Appl. Surf. Sci. 285, Part B853–857 (2013).
[Crossref]

A. W. Fognini, Ultrafast demagnetization: an electronic point of view (Diss., Eidgenössische Technische Hochschule ETH Zürich, Nr. 21775, 2014).

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Figures (4)

Fig. 1
Fig. 1 Experimental layout of THz generation using semiconductors and detection by PC antennas (VA-Variable attenuator, C - mechanical chopper, L1 & L2 - Plano Convex Lens, S- THz sources, PM1 & PM2 –parabolic mirrors, SL- Hyper hemispherical silicon lens).
Fig. 2
Fig. 2 XRD patterns of above deposited nickel films and inset shows AFM images of corresponding films.
Fig. 3
Fig. 3 Ni films generated (a) THz temporal profiles (b) FFT of temporal profiles.
Fig. 4
Fig. 4 Dependence of Gilbert damping coefficient (α) and THz peak-peak amplitude with Nickel film thickness

Tables (1)

Tables Icon

Table 1 This table summarizes the deposition conditions and naming of Ni Films deposited at various working pressures of Ar.

Equations (5)

Equations on this page are rendered with MathJax. Learn more.

1 γ d M dt = μ 0 ( M × H eff )+ α γM ( M × d M dt ) d M dt α M s ( M × d M dt )
E y (t)= μ 0 4 π 2 r 2 M x t 2 (tr/c)
ΔM(t)=Θ(t)[ c 1 (1 e t/ τ M ) e t/ τ R + c 2 (1 e t/ τ R )]
τ M c 0 k B T α c
α= γ Δ H PP 4πf

Metrics