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Optics Letters

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  • Vol. 29, Iss. 4 — Feb. 15, 2004
  • pp: 337–339

Noise statistics in optically preamplified differential phase-shift keying receivers with Mach-Zehnder interferometer demodulation

Xiupu Zhang, Guodong Zhang, Chongjin Xie, and Lei Wang  »View Author Affiliations


Optics Letters, Vol. 29, Issue 4, pp. 337-339 (2004)
http://dx.doi.org/10.1364/OL.29.000337


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Abstract

We report an analysis of the noise statistics for an optically preamplified differential phase-shift keying (DPSK) receiver with balanced and single-port detections. It is found that identical signal–amplified spontaneous emission beating noise exists for bits 1 and 0 in DPSK balanced detection. It is also revealed that the bit error ratio (BER) of a DPSK receiver with balanced detection has no direct relation to the conventional Q factor. Moreover, an analytic BER expression for the DPSK balanced detection receiver is presented.

© 2004 Optical Society of America

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4080) Fiber optics and optical communications : Modulation
(060.5060) Fiber optics and optical communications : Phase modulation

Citation
Xiupu Zhang, Guodong Zhang, Chongjin Xie, and Lei Wang, "Noise statistics in optically preamplified differential phase-shift keying receivers with Mach-Zehnder interferometer demodulation," Opt. Lett. 29, 337-339 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-4-337


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