High coupling efficiency grating couplers on lithium niobate on insulator

被引：93
|
作者：
Krasnokutska, Inna
Chapman, Robert J.
Tambasco, Jean-Luc J.
Peruzzo, Alberto [1 ]
机构：
[1] RMIT Univ, Quantum Photon Lab, Sch Engn, Melbourne, Vic 3000, Australia
来源：
OPTICS EXPRESS | 2019年 / 27卷 / 13期
基金：
澳大利亚研究理事会;
关键词：
WAVE-GUIDE; PLATFORM;
D O I：
10.1364/OE.27.017681
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate monolithically defined grating couplers in Z-cut lithium niobate on insulator for efficient vertical coupling between an optical fiber and a single mode waveguide. The grating couplers exhibit similar to 44.6%/coupler and similar to 19.4%/coupler coupling efficiency for TE and TM polarized light respectively. Taperless grating couplers are investigated to realize a more compact design. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：17681 / 17685
页数：5
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