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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 18 — Aug. 27, 2012
  • pp: 19990–19995

High phase noise tolerant pilot-tone-aided DP-QPSK optical communication systems

Xu Zhang, Xiaodan Pang, Lei Deng, Darko Zibar, Idelfonso Tafur Monroy, and Richard Younce  »View Author Affiliations


Optics Express, Vol. 20, Issue 18, pp. 19990-19995 (2012)
http://dx.doi.org/10.1364/OE.20.019990


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Abstract

In this paper we experimentally demonstrate a novel, high phase-noise tolerant, optical dual polarization (DP) quadrature phase-shift keying (QPSK) communication system based on pilot-tone-aided phase noise cancellation (PNC) algorithm. Vertical cavity surface emitting lasers (VCSELs) with approximate 300 MHz linewidth are used as transmitters and local oscillators for coherent detection of optical DP-QPSK signals. The proposed system, with central wavelength at 1540.68 nm, operates at 40 Gb/s over 80 km single mode fiber (SMF) as part of a passive optical network (PON). The deployment of pilot-tone-aided PNC algorithm guarantees a bit error rate (BER) performance below the forward error correction (FEC) threshold. Moreover, we also evaluate a novel digital signal processing (DSP) algorithm for adaptive pilot tone detection.

© 2012 OSA

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

History
Original Manuscript: April 30, 2012
Revised Manuscript: June 11, 2012
Manuscript Accepted: July 1, 2012
Published: August 16, 2012

Citation
Xu Zhang, Xiaodan Pang, Lei Deng, Darko Zibar, Idelfonso Tafur Monroy, and Richard Younce, "High phase noise tolerant pilot-tone-aided DP-QPSK optical communication systems," Opt. Express 20, 19990-19995 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-18-19990


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References

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