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Proceedings Paper

A switchable demodulator for both DPSK and DQPSK formats
Author(s): Di Zhang; Wen Liu; Long Chen; Qianggao Hu; Zhenfeng Xue
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Paper 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.

Paper Details

Date Published: 19 January 2011
PDF: 7 pages
Proc. SPIE 7986, Passive Components and Fiber-Based Devices VII, 798602 (19 January 2011); doi: 10.1117/12.887547
Show Author Affiliations
Di Zhang, Huazhong Univ. of Science and Technology (China)
Accelink Technologies Co., Ltd. (China)
Wen Liu, Huazhong Univ. of Science and Technology (China)
Long Chen, Accelink Technologies Co., Ltd. (China)
Qianggao Hu, Accelink Technologies Co., Ltd. (China)
Zhenfeng Xue, Accelink Technologies Co., Ltd. (China)


Published in SPIE Proceedings Vol. 7986:
Passive Components and Fiber-Based Devices VII
Perry P. Shum, Editor(s)

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