High extinction ratio LN modulator with low half-wave voltage and small chirp by using thin substrate

Yuya Yamaguchi,Atsushi Kanno,Naokatsu Yamamoto,Tetsuya Kawanishi,Hirochika Nakajima

2017 22nd Microoptics Conference (MOC)（2017）

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摘要

We investigate the characteristics of LN modulator using thin substrate in both calculation and experiment. The fabricated active Y-branch integrated Mach-Zehnder modulator using thin LN substrate showed a good performance such as low half-wave voltage of 1.23 V, small chirp parameter of 0.013, and high extinction ratio of 44 dB.

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关键词

high extinction ratio LN modulator,low half-wave voltage,Y-branch integrated Mach-Zehnder modulator,LN substrate,chirp parameter,extinction ratio,voltage 1.23 V,LiNbO3

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