Non-collinear phase-matching method for stimulated polariton scattering based on cross-pumping

Ruiliang Zhang; Bingwen Wang; Lijie Geng; Yusheng Zhai; Zhifeng Zhang

doi:10.1117/12.3030730

3 June 2024 Non-collinear phase-matching method for stimulated polariton scattering based on cross-pumping

Ruiliang Zhang, Bingwen Wang, Lijie Geng, Yusheng Zhai, Zhifeng Zhang

Proceedings Volume 13182, 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024); 131822G (2024) https://doi.org/10.1117/12.3030730
Event: 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024), 2024, Kunming, China

Abstract

The method for achieving non-collinear phase matching in stimulated polariton scattering (SPS) using cross-pumping is proposed. Under sub-nanosecond pulse laser pumping conditions, tunable narrowband Stokes light output is obtained. The cross-pumping configuration is established by total internal reflection of the pump light on the side of the crystal. By rotating the crystal, altering the total internal reflection angle of the pump light, thereby changing the phase matching condition and tuning the frequency of the output Stokes light. The output Stokes light is with a linewidth of 0.2 nm. The wavelength tuning range is 1068 nm to 1075 nm. At a pump energy of 8 mJ, the output energy is 1.1 mJ, corresponding to a conversion efficiency of 13.8%. This study provides a reference for phase matching methods in nonlinear parametric conversion processes.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ruiliang Zhang, Bingwen Wang, Lijie Geng, Yusheng Zhai, and Zhifeng Zhang "Non-collinear phase-matching method for stimulated polariton scattering based on cross-pumping", Proc. SPIE 13182, 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024), 131822G (3 June 2024); https://doi.org/10.1117/12.3030730

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