Polarization diversity DPSK demodulator on the silicon-on-insulator platform with simple fabrication

被引：11

作者：

Ding, Yunhong ^{[1
]}

Huang, Bo ^{[1
,2
]}

Ou, Haiyan ^{[1
]}

Da Ros, Francesco ^{[1
]}

Peucheret, Christophe ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Photon Engn, DK-2800 Lyngby, Denmark

[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Sch Optoelect Sci & Engn, Wuhan 430074, Hubei, Peoples R China

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 06期

关键词：

ROTATOR; CIRCUIT; SPLITTER; DEVICES;

D O I：

10.1364/OE.21.007828

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a novel polarization diversity differential phase-shift keying (DPSK) demodulator on the SOI platform, which is fabricated in a single lithography and etching step. The polarization diversity DPSK demodulator is based on a novel polarization splitter and rotator, which consists of a tapered waveguide followed by a 2 x 2 multimode interferometer. A lowest insertion loss of 0.5 dB with low polarization dependent loss of 1.6 dB and low polarization dependent extinction ratio smaller than 3 dB are measured for the polarization diversity circuit. Clear eye-diagrams and a finite power penalty of only 3 dB when the input state of polarization is scrambled are obtained for 40 Gbit/s non return-to-zero DPSK (NRZ-DPSK) demodulation. (C) 2013 Optical Society of America

引用

页码：7828 / 7834

页数：7

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