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Simplified coherent receiver with heterodyne detection of eight-channel 50 Gb/s PDM-QPSK WDM signal after 1040 km SMF-28 transmission |
Optics Letters, Vol. 37, Issue 19, pp. 4050-4052 (2012)
http://dx.doi.org/10.1364/OL.37.004050
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Abstract
We propose and experimentally demonstrate a simplified coherent receiver based on
heterodyne detection with only two balanced photodetectors and two
analog-to-digital converters. The polarization diversity hybrid can be
simplified relative to the conventional one. The detected intermediate frequency
signals are first downconverted to baseband with inphase and quadrature
separation. Using this scheme, we successfully demonstrated the eight-channel
© 2012 Optical Society of America
OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2840) Fiber optics and optical communications : Heterodyne
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: July 12, 2012
Revised Manuscript: August 21, 2012
Manuscript Accepted: August 21, 2012
Published: September 24, 2012
Citation
Junwen Zhang, Ze Dong, Jianjun Yu, Nan Chi, Li Tao, Xinying Li, and Yufeng Shao, "Simplified coherent receiver with heterodyne detection of eight-channel 50 Gb/s PDM-QPSK WDM signal after 1040 km SMF-28 transmission," Opt. Lett. 37, 4050-4052 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-4050
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