19 January 2011 A switchable demodulator for both DPSK and DQPSK formats
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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.
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Di Zhang, Di Zhang, Wen Liu, Wen Liu, Long Chen, Long Chen, Qianggao Hu, Qianggao Hu, Zhenfeng Xue, 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); doi: 10.1117/12.887547; https://doi.org/10.1117/12.887547
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