High-extinction electro-optic modulation on lithium niobate thin film

被引：63
作者：
Jin, Mingwei [1 ,2 ]
Chen, Jia-Yang [1 ,2 ]
Sua, Yong Meng [1 ,2 ]
Huang, Yu-Ping [1 ,2 ]
机构：
[1] Stevens Inst Technol, Dept Phys, 1 Castle Point Terrace, Hoboken, NJ 07030 USA
[2] Stevens Inst Technol, Ctr Quantum Sci & Engn, 1 Castle Point Terrace, Hoboken, NJ 07030 USA
来源：
OPTICS LETTERS | 2019年 / 44卷 / 05期
基金：
美国国家科学基金会;
关键词：
RIDGE WAVE-GUIDES; BAND; CONVERSION;
D O I：
10.1364/OL.44.001265
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Integrated nanophotonics using lithium-niobate-on-insulator promises much-awaited solutions for scalable photonics techniques. One of its core functions is electro-optic modulation, which currently suffers limited extinction (<30 dB) due to inevitable fabrication errors. We exploit a cascaded Mach -Zehnder interferometry design to offset those errors, demonstrating up to 53 dB modulation extinction for a wide range of wavelengths between 1500 nm and 1600 nm. Together, its favorable features of chip integration, high extinction, good stability, and being broadband may prove valuable in a plethora of flourishing photonics applications. (c) 2019 Optical Society of America
引用
收藏
页码：1265 / 1268
页数：4
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