Design of strain-introduced MZI interleaver on LiNbO3 substrate

A strain-introduced Mach-Zehnder interferometer （MZI） interleaver on lithium niobate （LiNbO3） is proposed. The struc- ture of the strain-introduced waveguide is designed in detail, and is produced by depositing a SiO~ film on the annealed proton-exchanged LiNbO3 waveguide. Considering the sensitivit...

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Published in:Optoelectronics letters 2013, Vol.9 (1), p.4-8
Main Author: 郑燕琳 陈开鑫 谢璐雯
Format: Article
Language:English
Subjects:
Lasers
LiNbO3波导
Mach-Zehnder干涉仪
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
交织器
优化设计
基板
应变
退火质子交换
铌酸锂
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creator 郑燕琳 陈开鑫 谢璐雯
description A strain-introduced Mach-Zehnder interferometer （MZI） interleaver on lithium niobate （LiNbO3） is proposed. The struc- ture of the strain-introduced waveguide is designed in detail, and is produced by depositing a SiO~ film on the annealed proton-exchanged LiNbO3 waveguide. Considering the sensitivities of the edge strain to the deposition temperature and the thickness of the SiO2 film, an optimum design of 50 GHz interleaver on this structure is given through analyzing the effective index changes for E＇eq mode by finite difference method （FDM）. The length of the bending waveguide in this interleaver is just two thirds of that in the conventional interleaver due to the high refractive index difference.
doi_str_mv 10.1007/s11801-013-2339-5
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source Springer Nature
subjects Lasers
LiNbO3波导
Mach-Zehnder干涉仪
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
交织器
优化设计
基板
应变
退火质子交换
铌酸锂
title Design of strain-introduced MZI interleaver on LiNbO3 substrate
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