典型文献
Phase-matched second-harmonic generation in hybrid polymer-LN waveguides
文献摘要：
Here we propose a hybrid polymer-LN waveguide for achieving phase-matched second-harmonic generation(SHG).From the aspect of super-mode theory,the geometric parameters of the hybrid semi-nonlinear waveguide were optimized to utilize both symmetric(even)and antisymmetric(odd)modes of the pump and SHG waves so as to facilitate phase matching with large modal overlap.Phase matching between a fundamental even(TE00-like)mode at 1320 nm and a fundamental odd(TE01-like)mode at 660 nm was found with a calculated modal overlap integral of 0.299,while utilizing the largest nonlinear coefficient d33,and achieving an efficient calculated normalized conversion efficiency of 148％W-1·cm-2.Considering the fabrication feasibility of such hybrid waveguide with features including etchless,large dimension,and low structural sensitivity,we believe our findings would provide a useful reference for future on-chip efficient nonlinear conversion devices.
文献关键词：
中图分类号：
作者姓名：
Zijie Wang;Bodong Liu;Chunhua Wang;Huakang Yu
作者机构：
School of Physics and Optoelectronics,South China University of Technology,Guangzhou 510641,China;School of Electrical Engineering and Intelligentization,Dongguan University of Technology,Dongguan 523808,China;China-Singapore International Joint Research Institute,Guangzhou Knowledge City,Guangzhou 510663,China
文献出处：
引用格式：
[1]Zijie Wang;Bodong Liu;Chunhua Wang;Huakang Yu-.Phase-matched second-harmonic generation in hybrid polymer-LN waveguides)[J].中国物理B（英文版）,2022(10):192-197
A类：
etchless
B类：
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AB值：
0.580873
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