Liquid-crystal polarization controller arrays on planar waveguide circuits

被引：23

作者：

Hirabayashi, K ^{[1
]}

Amano, C ^{[1
]}

机构：

[1] NTT Corp, Photon Labs, Kanagawa 2430198, Japan

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2002年 / 14卷 / 04期

关键词：

liquid crystal; modulator; planar lightwave circuit; polarization control; polarization-division-multiplexing; polarization-mode dispersion; switch;

D O I：

10.1109/68.992592

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, we have developed thin liquid crystal (LC) arrays for use as simple polarization-controller arrays on planar lightwave circuits (PLCs). The 30-mum thick LC arrays are vertically inserted into trenches cut across PLC substrates. Two such LC cells that are in line and parallel to each other, one of which has a direction of alignment that is rotated by 45degrees relative to that of the other, are able to convert an arbitrary input polarization to a desired one. Twisted-nematic LC cells can switch the polarization of input light between the TE and TM modes with an extinction ratio of 15 dB.

引用

页码：504 / 506

页数：3

共 8 条

[1]

FUKUCHI K, 2001, OPT FIB COMM C SAN J, V54

[2] Liquid crystal variable optical attenuators integrated on planar lightwave circuits [J].