Effective nonlinearity of trigonal BaGa2GeS6

被引：0

作者：

Kato, Kiyoshi ^{[1
,2
]}

Umemura, Nobuhiro ^{[1
]}

Miyata, Kentaro ^{[3
]}

Petrov, Valentin ^{[4
]}

机构：

[1] Chitose Inst Sci & Technol, 758-65 Bibi, Chitose, Hokkaido 0668655, Japan

[2] Okamoto Opt Inc, 8-34 Haramachi,Isogo Ku, Yokohama 2350008, Japan

[3] RIKEN Ctr Adv Photon, RIKEN, 2-1 Hirosawa, Saitama 3510198, Japan

[4] Max Born Inst Nonlinear Opt & Ultrafast Spect, Max Born Str 2A, D-12489 Berlin, Germany

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2024年 / 41卷 / 12期

关键词：

REFINED SELLMEIER EQUATIONS; PHASE-MATCHING PROPERTIES; MID-IR; CRYSTALS; AGGAS2;

D O I：

10.1364/JOSAB.534482

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Implementing second-harmonic and sum-frequency generation processes with a specially oriented sample, we determine the magnitude and sign of the nonlinear optical coefficients d11, d22, and d31 of the recently developed trigonal BaGa2GeS6. We conclude that it is a viable alternative to the widely used chalcopyrite AgGaS2 for 1 mu m pumped frequency downconversion to the mid-IR spectral range. (c) 2024 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.

引用

页码：E29 / E34

页数：6

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