Antisymmetric-Nonlinear LNOI Waveguide for Highly Efficient Second-Harmonic Generation

Xiangxiu Zhang; Changzheng Sun; Changzheng Sun; Bing Xiong; Bing Xiong; Zhibiao Hao; Zhibiao Hao; Jian Wang; Jian Wang; Lai Wang; Yanjun Han; Yanjun Han; Yanjun Han; Hongtao Li; Yi Luo; Yi Luo; Yi Luo

doi:10.1364/ACPC.2020.M4A.29

Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC)
OSA Technical Digest (Optica Publishing Group, 2020),
paper M4A.29
•https://doi.org/10.1364/ACPC.2020.M4A.29

Antisymmetric-Nonlinear LNOI Waveguide for Highly Efficient Second-Harmonic Generation

Xiangxiu Zhang, Changzheng Sun, Bing Xiong, Zhibiao Hao, Jian Wang, Lai Wang, Yanjun Han, Hongtao Li, and Yi Luo

Asia Communications and Photonics Conference 2020

Beijing China
24–27 October 2020
ISBN: 978-1-943580-82-8

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X. Zhang, C. Sun, B. Xiong, Z. Hao, J. Wang, L. Wang, Y. Han, H. Li, and Y. Luo, "Antisymmetric-Nonlinear LNOI Waveguide for Highly Efficient Second-Harmonic Generation," in Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC), K. Xu, D. Simeonidou, C. Chang-Hasnain, N. Wada, X. Ren, Z. Zhukov, P. Perry Shum, Y. Ji, J. Zhang, X. Zhou, C. Lu, and L. Wosinska, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper M4A.29.

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Abstract

A novel LNOI waveguide that breaks the symmetry of quadratic nonlinearity is proposed to enhance the efficiency of modal-phase-matched second-harmonic generation. The theoretical conversion efficiency is as high as 13000%/W/cm².

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