Abstract

We have developed a diode-laser based master oscillator power amplifier (MOPA) light source which emits high-power spectrally stabilized and nearly-diffraction limited optical pulses in the nanoseconds range as required by many applications. The MOPA consists of a distributed Bragg reflector (DBR) laser as master oscillator driven by a constant current and a ridge waveguide power amplifier (PA) which can be driven by a constant current (DC) or by rectangular current pulses with a width of 5 ns at a repetition frequency of 200 kHz. Under pulsed operation the amplifier acts as an optical gate, converting the CW input beam emitted by the DBR laser into a train of short amplified optical pulses. With this experimental MOPA arrangement no relaxation oscillations occur. A continuous wave power of 1 W under DC injection and a pulse power of 4 W under pulsed operation are reached. For both operational modes the optical spectrum of the emission of the amplifier exhibits a peak at a constant wavelength of 973.5 nm with a spectral width < 10 pm.

© 2014 Optical Society of America

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References

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  1. J. K. O’Daniel and M. Achtenhagen, “High-power spectrally-stable DBR semiconductor lasers designed for pulsing in the nanosecond regime,” Proc. SPIE 7616, 76160W (2010).
    [Crossref]
  2. W. Zeller, M. Kamp, J. Koeth, and L. Worschech, “High power pulsed 976nm DFB laser diodes,” Proc. SPIE 7682, 76820T (2010).
    [Crossref]
  3. E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
    [Crossref]
  4. J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
    [Crossref]
  5. A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
    [Crossref]
  6. H. Wenzel, A. Klehr, S. Schwertfeger, A. Liero, Th. Hoffmann, O. Brox, M. Thomas, G. Erbert, and G. Tränkle, “Compact sources for the generation of high-peak power wavelength stabilized laser pulses in the picoseconds and nanoseconds ranges,” SPIE Proc. 8241, 82410V–1 (2012).
    [Crossref]
  7. A. Klehr, H. Wenzel, O. Brox, S. Schwertfeger, R. Staske, and G. Erbert, “Dynamics of a gain-switched distributed feedback ridge waveguide laser in nanoseconds time scale under very high current injection conditions,” Opt. Express 21(3), 2777–2786 (2013).
    [Crossref] [PubMed]
  8. A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
    [Crossref]
  9. F. Harth, T. Ulm, M. Lührmann, R. Knappe, A. Klehr, Th. Hoffmann, G. Erbert, and J. A. L’huillier, “High power laser pulses with voltage controlled durations of 400 - 1000 ps,” Opt. Express 20(7), 7002–7007 (2012).
    [Crossref] [PubMed]
  10. T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
    [Crossref]
  11. M. Uebernickel, B. Eppich, K. Paschke, G. Erbert, and G. Tränkle, “Prediction of single-mode fiber coupling efficiencies of a tapered diode laser from measured Wigner distribution functions,” IEEE Photon. Technol. Lett. 24(14), 1248–1250 (2012).
    [Crossref]
  12. J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
    [Crossref]
  13. A. Liero, A. Klehr, S. Schwertfeger, T. Hoffmann, and W. Heinrich, “Laser driver switching 20 A with 2 ns pulse width using GaN,“ Proc. IMS, Anaheim, USA, 1110 (2010).
    [Crossref]

2014 (1)

T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
[Crossref]

2013 (1)

2012 (4)

M. Uebernickel, B. Eppich, K. Paschke, G. Erbert, and G. Tränkle, “Prediction of single-mode fiber coupling efficiencies of a tapered diode laser from measured Wigner distribution functions,” IEEE Photon. Technol. Lett. 24(14), 1248–1250 (2012).
[Crossref]

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

F. Harth, T. Ulm, M. Lührmann, R. Knappe, A. Klehr, Th. Hoffmann, G. Erbert, and J. A. L’huillier, “High power laser pulses with voltage controlled durations of 400 - 1000 ps,” Opt. Express 20(7), 7002–7007 (2012).
[Crossref] [PubMed]

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

2011 (2)

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

2010 (3)

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

J. K. O’Daniel and M. Achtenhagen, “High-power spectrally-stable DBR semiconductor lasers designed for pulsing in the nanosecond regime,” Proc. SPIE 7616, 76160W (2010).
[Crossref]

W. Zeller, M. Kamp, J. Koeth, and L. Worschech, “High power pulsed 976nm DFB laser diodes,” Proc. SPIE 7682, 76820T (2010).
[Crossref]

Achtenhagen, M.

J. K. O’Daniel and M. Achtenhagen, “High-power spectrally-stable DBR semiconductor lasers designed for pulsing in the nanosecond regime,” Proc. SPIE 7616, 76160W (2010).
[Crossref]

Bertrand, A.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Boucart, J.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Brox, O.

A. Klehr, H. Wenzel, O. Brox, S. Schwertfeger, R. Staske, and G. Erbert, “Dynamics of a gain-switched distributed feedback ridge waveguide laser in nanoseconds time scale under very high current injection conditions,” Opt. Express 21(3), 2777–2786 (2013).
[Crossref] [PubMed]

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

Button, C.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Connors, M. K.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Davies, I.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Donnelly, J. P.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Eppich, B.

M. Uebernickel, B. Eppich, K. Paschke, G. Erbert, and G. Tränkle, “Prediction of single-mode fiber coupling efficiencies of a tapered diode laser from measured Wigner distribution functions,” IEEE Photon. Technol. Lett. 24(14), 1248–1250 (2012).
[Crossref]

Erbert, G.

T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
[Crossref]

A. Klehr, H. Wenzel, O. Brox, S. Schwertfeger, R. Staske, and G. Erbert, “Dynamics of a gain-switched distributed feedback ridge waveguide laser in nanoseconds time scale under very high current injection conditions,” Opt. Express 21(3), 2777–2786 (2013).
[Crossref] [PubMed]

F. Harth, T. Ulm, M. Lührmann, R. Knappe, A. Klehr, Th. Hoffmann, G. Erbert, and J. A. L’huillier, “High power laser pulses with voltage controlled durations of 400 - 1000 ps,” Opt. Express 20(7), 7002–7007 (2012).
[Crossref] [PubMed]

M. Uebernickel, B. Eppich, K. Paschke, G. Erbert, and G. Tränkle, “Prediction of single-mode fiber coupling efficiencies of a tapered diode laser from measured Wigner distribution functions,” IEEE Photon. Technol. Lett. 24(14), 1248–1250 (2012).
[Crossref]

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

Fricke, J.

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

Harth, F.

Heinrich, W.

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

A. Liero, A. Klehr, S. Schwertfeger, T. Hoffmann, and W. Heinrich, “Laser driver switching 20 A with 2 ns pulse width using GaN,“ Proc. IMS, Anaheim, USA, 1110 (2010).
[Crossref]

Hernandez, Y.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Hoffmann, T.

A. Liero, A. Klehr, S. Schwertfeger, T. Hoffmann, and W. Heinrich, “Laser driver switching 20 A with 2 ns pulse width using GaN,“ Proc. IMS, Anaheim, USA, 1110 (2010).
[Crossref]

Hoffmann, Th.

F. Harth, T. Ulm, M. Lührmann, R. Knappe, A. Klehr, Th. Hoffmann, G. Erbert, and J. A. L’huillier, “High power laser pulses with voltage controlled durations of 400 - 1000 ps,” Opt. Express 20(7), 7002–7007 (2012).
[Crossref] [PubMed]

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

Huang, R. K.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Inder, D.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

John, W.

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

Juodawlkis, P. W.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Kaiser, W.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Kamp, M.

W. Zeller, M. Kamp, J. Koeth, and L. Worschech, “High power pulsed 976nm DFB laser diodes,” Proc. SPIE 7682, 76820T (2010).
[Crossref]

Klamkin, J.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Klehr, A.

T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
[Crossref]

A. Klehr, H. Wenzel, O. Brox, S. Schwertfeger, R. Staske, and G. Erbert, “Dynamics of a gain-switched distributed feedback ridge waveguide laser in nanoseconds time scale under very high current injection conditions,” Opt. Express 21(3), 2777–2786 (2013).
[Crossref] [PubMed]

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

F. Harth, T. Ulm, M. Lührmann, R. Knappe, A. Klehr, Th. Hoffmann, G. Erbert, and J. A. L’huillier, “High power laser pulses with voltage controlled durations of 400 - 1000 ps,” Opt. Express 20(7), 7002–7007 (2012).
[Crossref] [PubMed]

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

A. Liero, A. Klehr, S. Schwertfeger, T. Hoffmann, and W. Heinrich, “Laser driver switching 20 A with 2 ns pulse width using GaN,“ Proc. IMS, Anaheim, USA, 1110 (2010).
[Crossref]

Knappe, R.

Koeth, J.

W. Zeller, M. Kamp, J. Koeth, and L. Worschech, “High power pulsed 976nm DFB laser diodes,” Proc. SPIE 7682, 76820T (2010).
[Crossref]

L’huillier, J. A.

Lichtenstein, N.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Liero, A.

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

A. Liero, A. Klehr, S. Schwertfeger, T. Hoffmann, and W. Heinrich, “Laser driver switching 20 A with 2 ns pulse width using GaN,“ Proc. IMS, Anaheim, USA, 1110 (2010).
[Crossref]

Loh, W.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Lührmann, M.

Missaggia, L. J.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

O’Daniel, J. K.

J. K. O’Daniel and M. Achtenhagen, “High-power spectrally-stable DBR semiconductor lasers designed for pulsing in the nanosecond regime,” Proc. SPIE 7616, 76160W (2010).
[Crossref]

O’Donnell, F. J.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Paschke, K.

M. Uebernickel, B. Eppich, K. Paschke, G. Erbert, and G. Tränkle, “Prediction of single-mode fiber coupling efficiencies of a tapered diode laser from measured Wigner distribution functions,” IEEE Photon. Technol. Lett. 24(14), 1248–1250 (2012).
[Crossref]

Plant, J. J.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Ray, K. G.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Ressel, P.

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

Schwertfeger, S.

A. Klehr, H. Wenzel, O. Brox, S. Schwertfeger, R. Staske, and G. Erbert, “Dynamics of a gain-switched distributed feedback ridge waveguide laser in nanoseconds time scale under very high current injection conditions,” Opt. Express 21(3), 2777–2786 (2013).
[Crossref] [PubMed]

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

A. Liero, A. Klehr, S. Schwertfeger, T. Hoffmann, and W. Heinrich, “Laser driver switching 20 A with 2 ns pulse width using GaN,“ Proc. IMS, Anaheim, USA, 1110 (2010).
[Crossref]

Smith, G. M.

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

Staske, R.

Sumpf, B.

T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
[Crossref]

Thies, A.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Tränkle, G.

T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
[Crossref]

M. Uebernickel, B. Eppich, K. Paschke, G. Erbert, and G. Tränkle, “Prediction of single-mode fiber coupling efficiencies of a tapered diode laser from measured Wigner distribution functions,” IEEE Photon. Technol. Lett. 24(14), 1248–1250 (2012).
[Crossref]

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

Uebernickel, M.

M. Uebernickel, B. Eppich, K. Paschke, G. Erbert, and G. Tränkle, “Prediction of single-mode fiber coupling efficiencies of a tapered diode laser from measured Wigner distribution functions,” IEEE Photon. Technol. Lett. 24(14), 1248–1250 (2012).
[Crossref]

Ulm, T.

Vu, T. N.

T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
[Crossref]

Weixelbaum, L.

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

Wenzel, H.

T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
[Crossref]

A. Klehr, H. Wenzel, O. Brox, S. Schwertfeger, R. Staske, and G. Erbert, “Dynamics of a gain-switched distributed feedback ridge waveguide laser in nanoseconds time scale under very high current injection conditions,” Opt. Express 21(3), 2777–2786 (2013).
[Crossref] [PubMed]

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

Worschech, L.

W. Zeller, M. Kamp, J. Koeth, and L. Worschech, “High power pulsed 976nm DFB laser diodes,” Proc. SPIE 7682, 76820T (2010).
[Crossref]

Zeller, W.

W. Zeller, M. Kamp, J. Koeth, and L. Worschech, “High power pulsed 976nm DFB laser diodes,” Proc. SPIE 7682, 76820T (2010).
[Crossref]

Zibik, E. A.

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Electron. Lett. (2)

J. Klamkin, R. K. Huang, J. J. Plant, M. K. Connors, L. J. Missaggia, W. Loh, G. M. Smith, K. G. Ray, F. J. O’Donnell, J. P. Donnelly, and P. W. Juodawlkis, “Direct modulated narrowband slab-coupled optical waveguide laser,” Electron. Lett. 46(7), 522–523 (2010).
[Crossref]

A. Klehr, H. Wenzel, S. Schwertfeger, O. Brox, A. Liero, Th. Hoffmann, and G. Erbert, “High peak-power nanosecond pulses generated with DFB RW laser,” Electron. Lett. 47(18), 1039–1040 (2011).
[Crossref]

IEEE Photon. Technol. Lett. (1)

M. Uebernickel, B. Eppich, K. Paschke, G. Erbert, and G. Tränkle, “Prediction of single-mode fiber coupling efficiencies of a tapered diode laser from measured Wigner distribution functions,” IEEE Photon. Technol. Lett. 24(14), 1248–1250 (2012).
[Crossref]

Opt. Express (2)

Proc. SPIE (4)

A. Klehr, A. Liero, Th. Hoffmann, S. Schwertfeger, H. Wenzel, G. Erbert, W. Heinrich, and G. Tränkle, “Compact ps-pulse laser source with free adjustable repetition rate and nJ pulse energy on microbench,” Proc. SPIE 7953, 79531D (2011).
[Crossref]

J. K. O’Daniel and M. Achtenhagen, “High-power spectrally-stable DBR semiconductor lasers designed for pulsing in the nanosecond regime,” Proc. SPIE 7616, 76160W (2010).
[Crossref]

W. Zeller, M. Kamp, J. Koeth, and L. Worschech, “High power pulsed 976nm DFB laser diodes,” Proc. SPIE 7682, 76820T (2010).
[Crossref]

E. A. Zibik, A. Bertrand, W. Kaiser, J. Boucart, A. Thies, I. Davies, D. Inder, C. Button, Y. Hernandez, and N. Lichtenstein, “Laser Diodes with distributed feedback for application as subnanosecond fiber laser seeder,” Proc. SPIE 8277, 82771O (2012).
[Crossref]

Semicond. Sci. Technol. (2)

T. N. Vu, A. Klehr, B. Sumpf, H. Wenzel, G. Erbert, and G. Tränkle, “Wavelength stabilized ns-MOPA diode laser system with 16 W peak power and a spectral line width below 10 pm,” Semicond. Sci. Technol. 29(3), 035012 (2014).
[Crossref]

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel, and G. Erbert, “Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers,” Semicond. Sci. Technol. 27(5), 055009 (2012).
[Crossref]

Other (2)

A. Liero, A. Klehr, S. Schwertfeger, T. Hoffmann, and W. Heinrich, “Laser driver switching 20 A with 2 ns pulse width using GaN,“ Proc. IMS, Anaheim, USA, 1110 (2010).
[Crossref]

H. Wenzel, A. Klehr, S. Schwertfeger, A. Liero, Th. Hoffmann, O. Brox, M. Thomas, G. Erbert, and G. Tränkle, “Compact sources for the generation of high-peak power wavelength stabilized laser pulses in the picoseconds and nanoseconds ranges,” SPIE Proc. 8241, 82410V–1 (2012).
[Crossref]

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Figures (10)

Fig. 1
Fig. 1 (a) Calculated modal reflectivity versus tilt angle for different widths w of the ridge as indicated in the legend. (b) Pseudo-color mapping of the calculated modal reflectivity in dependence on tilt angle and thickness of the Al2O3 layer for a ridge width of w = 4 µm.
Fig. 2
Fig. 2 Photographic picture of RW amplifier mounted on a CuW heat spreader.
Fig. 3
Fig. 3 Experimental setup.
Fig. 4
Fig. 4 (a) Power-current characteristics of the master oscillator measured before (solid line) and behind (dashed line) the isolator. (b) Optical spectrum of the master oscillator for a current of 70 mA.
Fig. 5
Fig. 5 (a) CW dependence of the output power measured at the output facet on the current Iamp,dc injected into the RW amplifier without input from the MO (red line) and for a MO current of IMO = 70 mA (MO power of 5 mW, blue line). (b) Dependence of the CW output power of the amplifier on the input power at a DC amplifier current of Iamp,dc = 1.5 A..
Fig. 6
Fig. 6 (a) Pseudo-color contour plot of the CW optical spectrum of the amplifier in dependence on the MO current at a DC amplifier current of Iamp,dc = 1.5 A. (b) CW optical spectra for different MO currents near the seed laser emission line at 973.5 nm at a DC amplifier current of Iamp,dc = 1.5 A.
Fig. 7
Fig. 7 (a) Pseudo-color contour plot of the CW optical spectrum of the amplifier in dependence on the DC amplifier current for a MO current of IMO = 70 mA. (b) CW optical spectra of the amplifier for different values of the DC amplifier current without input from the MO (IMO = 0, dashed lines) and for a MO power of about 5 mW (IMO = 70 mA) over a wavelength range of 50 nm.
Fig. 8
Fig. 8 (a) Pulse power in dependence on the amplitude of the current pulses injected into the amplifier for a CW input power of about 5 mW. (b) Temporal behavior of the optical pulses emitted by the amplifier for different amplitudes of the current pulses with a length of about 5 ns.
Fig. 9
Fig. 9 (a)Time-averaged optical spectra over a wide wavelength range of 50 nm without (red line) and with (blue line) input from the MO for current pulse of 7.7 A. (b) Time-averaged optical spectra over a narrow wavelength range of 4 nm without (red line) and with (blue line) input from the MO for current pulse of 7.7 A.
Fig. 10
Fig. 10 (a) Caustic of the laser beam after collimation focused with a 125 mm lens at I amp,pulse = 6.3 A. (b) Picture of the distribution of the intensity in the cross section of the beam and corresponding vertical (left) and lateral (top) profiles.

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