9 November 2018 Stimulated polariton scattering in β-BTM crystal
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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.
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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); doi: 10.1117/12.2500474; https://doi.org/10.1117/12.2500474
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