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  • 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper ce_2_2

RF-sputtering technique for fabrication of dielectric multilayer structures with low-threshold coherent emission at 1.5 µm

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Abstract

Glasses based systems activated by rare earth ions are the starting point of numerous photonic devices and the control and the enhance of the emission properties of emitters is a crucial challenge for these kinds of active systems. The tailoring of the dielectric surrounding of the source is a viable possibility and several geometry, materials and fabrications protocols have been proposed at this aim. Among the different possible approaches, one-dimensional (1D) photonic crystals, that are the simplest photonic band-gap device exploitable to manipulate the emission and absorption properties of rare earth ions, are well known to provide good results in the nanometric confinement of the light. However, on these kinds of structures, the dependence of the final product on the fabrication protocol remains a crucial task of the research in material science.

© 2019 IEEE

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