Compact polarization rotator on silicon for polarization-diversified circuits

被引：123

作者：

Chen, Long ^{[1
]}

Doerr, Christopher R. ^{[1
]}

Chen, Young-Kai ^{[2
]}

机构：

[1] Alcatel Lucent, Bell Labs, Holmdel, NJ 07733 USA

[2] Alcatel Lucent, Bell Labs, Murray Hill, NJ 07974 USA

来源：

OPTICS LETTERS | 2011年 / 36卷 / 04期

关键词：

WAVE-GUIDES; SPLITTER; RECEIVER;

D O I：

10.1364/OL.36.000469

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a polarization rotator based on adiabatic mode evolution on silicon for polarization-diversified circuits. The rotator has a device length of 420 mu m, a polarization-conversion efficiency of more than 90%, and an insertion loss less than 1 dB for a wavelength range of 80 nm. Combining the rotator with a compact, broadband polarization beam splitter based on cascaded directional couplers enhances the polarization conversion extinction ratio to over 30 dB with less than 1: 5 dB total insertion loss over a 60 nm spectral range. (C) 2011 Optical Society of America

引用

页码：469 / 471

页数：3

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