Stimulated polariton scattering in [beta]-BTM crystal

Hongzhan Qiao; Kai Zhong; Chao Yan; Yang Liu; Jie Shi; Degang Xu; Jianquan Yao; Zeliang Gao; Xutang Tao

doi:10.1117/12.2500474

9 November 2018 Stimulated polariton scattering in β-BTM crystal

Hongzhan Qiao, Kai Zhong, Chao Yan, Yang Liu, Jie Shi, Degang Xu, Jianquan Yao, Zeliang Gao, Xutang Tao

Proceedings Volume 10826, Infrared, Millimeter-Wave, and Terahertz Technologies V; 108260T (2018) https://doi.org/10.1117/12.2500474
Event: SPIE/COS Photonics Asia, 2018, Beijing, China

Abstract

Theoretical simulations were carried out to evaluate the properties of terahertz (THz) generation in β-BaTeMo₂O₉ (βBTM) crystal by stimulated polariton scattering (SPS) process. The effects of different polariton modes on THz generation were analyzed, from which we determined the optimal crystal design and polarizations of the coupled waves. The dispersion and absorption characteristics of these vibration modes were also given based on the first-principle calculation and correlation Raman spectrum. Finally, the angle phase matching property and THz-wave gain were calculated. Simulation results showed that β-BTM is a kind of potential material for high-power tunable THz generation.

Citation Download Citation

Hongzhan Qiao, Kai Zhong, Chao Yan, Yang Liu, Jie Shi, Degang Xu, Jianquan Yao, Zeliang Gao, and Xutang Tao "Stimulated polariton scattering in β-BTM crystal", Proc. SPIE 10826, Infrared, Millimeter-Wave, and Terahertz Technologies V, 108260T (9 November 2018); https://doi.org/10.1117/12.2500474

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