Novel high-sensitivity coherent transceiver for optical DPSK/DQPSK signals based on heterodyne detection and electrical delay interferometer
Chinese Optics Letters, Vol. 10, Issue 3, pp. 030603- (2012)
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Abstract
We present a novel coherent transceiver for optical differential phase-shift keying/differential quadrature phase-shift keying (DPSK/DQPSK) signals based on heterodyne detection and electrical delay interferometer. A simulation framework is provided to predict a theoretical sensitivity level for the reported scheme. High sensitivity of {45.18 dBm is achieved for 2.5-Gb/s return-to-zero (RZ)-DPSK signal, and high sensitivities of {36.83 dBm (I tributary) and {35.90 dBm (Q tributary) are observed for 2.5-GBaud/s RZ-DQPSK signal in back-to-back configuration. Transmission for both signals over 100 km is also investigated. Experimental results are discussed and analyzed.
© 2012 Chinese Optics Letters
OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
ToC Category:
Fiber Optics and Optical Communications
Citation
Deming Kong, Yan Li, Xia Wu, Hui Wang, Hongxiang Guo, Xiaobin Hong, Yong Zuo, Kun Xu, Wei Li, Jian Wu, and Jintong Lin, "Novel high-sensitivity coherent transceiver for optical DPSK/DQPSK signals based
on heterodyne detection and electrical delay interferometer," Chin. Opt. Lett. 10, 030603- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-3-030603
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