A switchable demodulator for both DPSK and DQPSK formats

Di Zhang; Wen Liu; Long Chen; Qianggao Hu; Zhenfeng Xue

doi:10.1117/12.887547

19 January 2011 A switchable demodulator for both DPSK and DQPSK formats

Di Zhang, Wen Liu, Long Chen, Qianggao Hu, Zhenfeng Xue

Proceedings Volume 7986, Passive Components and Fiber-Based Devices VII; 798602 (2011) https://doi.org/10.1117/12.887547
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

A single device which can demodulate both DPSK and DQPSK formats by simply rotating a quarter-wave plate is proposed in this paper. Through introducing LC phase retarder and polarization-dependent phase compensation, fast tuning time of 50ms and low PDFS of less than 300MHz are successfully realized.

Citation Download Citation

Di Zhang, Wen Liu, Long Chen, Qianggao Hu, and Zhenfeng Xue "A switchable demodulator for both DPSK and DQPSK formats", Proc. SPIE 7986, Passive Components and Fiber-Based Devices VII, 798602 (19 January 2011); https://doi.org/10.1117/12.887547

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