Orientation-patterned gallium phosphide OPO developments for long-wave infrared lidar applications

Kelly M. Curtis; Peter G. Schunemann; Kenneth J. McEwan

doi:10.1117/12.3003145

12 March 2024 Orientation-patterned gallium phosphide OPO developments for long-wave infrared lidar applications

Kelly M. Curtis, Peter G. Schunemann, Kenneth J. McEwan

Author Affiliations +

Proceedings Volume 12869, Nonlinear Frequency Generation and Conversion: Materials and Devices XXIII; 128690C (2024) https://doi.org/10.1117/12.3003145
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

In this paper, we describe picosecond, nonlinear optical experiments with Orientation-Patterned Gallium Phosphide (OPGaP) crystals as a precursor to the development of a solid-state Lidar that can operate in the Long Wave Infrared (LWIR) waveband (7.5-14 μm). An Optical Parametric Oscillator (OPO) is used to compare the performance of OPGaP fabricated on gallium phosphide versus a gallium arsenide substrate. Both materials provide a viable route to generate high peak power, short duration laser pulses in the LWIR waveband. We then demonstrate that OPGaP can be used for up-conversion from the LWIR into the silicon detector waveband. Finally, parametric generation in OPGaP with picosecond pulses is studied and we discuss how it can be used to generate a seed beam for a parametric amplifier.

Conference Presentation

Citation Download Citation

Kelly M. Curtis, Peter G. Schunemann, and Kenneth J. McEwan "Orientation-patterned gallium phosphide OPO developments for long-wave infrared lidar applications", Proc. SPIE 12869, Nonlinear Frequency Generation and Conversion: Materials and Devices XXIII, 128690C (12 March 2024); https://doi.org/10.1117/12.3003145

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