Cr2+:ZnSe waveguides with gradient refractive index profiles

Huai-Chuan Lee; Helmuth Meissner; David Meissner; Stephanie Meissner

doi:10.1117/12.2626314

4 March 2022 Cr²⁺:ZnSe waveguides with gradient refractive index profiles

Huai-Chuan Lee, Helmuth Meissner, David Meissner, Stephanie Meissner

Proceedings Volume 11980, Solid State Lasers XXXI: Technology and Devices; 119800Q (2022) https://doi.org/10.1117/12.2626314
Event: SPIE LASE, 2022, San Francisco, California, United States

Conference Poster

Abstract

We report on the fabrication and characterization of single clad Adhesive-Free Bonded (AFB®) ZnSe/Cr²⁺:ZnSe/ZnSe and double clad composite AFB® ZnS/ZnSe/ Cr²⁺:ZnSe/ZnSe/ZnS architectures of core thicknesses between about 0.04 mm to 0.2 mm with a gradient refractive index due to diffusion of Cr²⁺ into undoped ZnSe. Waveguide structures and bulk composites exhibit improved transmission to 473 nm and refined and partially oriented grain morphology. We derive the transport characteristics of Cr⁺² dopant ions within the bulk as function of major process variables according to the measured optical transmission spectra at the AFB® Cr:ZnSe/ZnSe interfaces.

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Huai-Chuan Lee, Helmuth Meissner, David Meissner, and Stephanie Meissner "Cr²⁺:ZnSe waveguides with gradient refractive index profiles", Proc. SPIE 11980, Solid State Lasers XXXI: Technology and Devices, 119800Q (4 March 2022); https://doi.org/10.1117/12.2626314

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