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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 4050–4052

Simplified coherent receiver with heterodyne detection of eight-channel 50 Gb/s PDM-QPSK WDM signal after 1040 km SMF-28 transmission

Junwen Zhang, Ze Dong, Jianjun Yu, Nan Chi, Li Tao, Xinying Li, and Yufeng Shao  »View Author Affiliations


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 50 Gb / s polarization division multiplexed quadrature phase shift keying WDM signal with heterodyne detection based on digital signal processing over 1040 km single-mode fiber 28 with erbium-doped fiber amplifier only amplification.

© 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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