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1 April 2022 Resolving current limitations in developing frequency conversion sources for the MLWIR by combining materials, growth techniques and template preparation approaches
Vladimir L. Tassev, Shivashankar Vangala, Duane Brinegar
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Proceedings Volume PC11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI; PC119850P (2022) https://doi.org/10.1117/12.2610293
Event: SPIE LASE, 2022, San Francisco, California, United States
Abstract
Combining materials (through heteroepitaxy or forming ternaries), growth techniques, and template preparation approaches helps in resolving current limitations in developing frequency conversion sources in the MLWIR. In this study we focus on heteroepitaxy of GaAsP ternaries with different composition on close matching substrates and on orientation-patterned templates. The results are layers with excellent crystalline quality and quasi-phase matching structures with also excellent domain fidelity. Simplifying the existing template preparation techniques and improving the growth on them, and developing new ones for preparation of orientation-patterned templates on common substrates such as Si is another direction along with efforts to prove SHG and QPM frequency conversion in the grown materials.
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Vladimir L. Tassev, Shivashankar Vangala, and Duane Brinegar "Resolving current limitations in developing frequency conversion sources for the MLWIR by combining materials, growth techniques and template preparation approaches", Proc. SPIE PC11985, Nonlinear Frequency Generation and Conversion: Materials and Devices XXI, PC119850P (1 April 2022); https://doi.org/10.1117/12.2610293
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KEYWORDS
Frequency conversion
Silicon
Gallium arsenide
Heteroepitaxy
Luminescence
Metalorganic chemical vapor deposition
Nonlinear optics
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