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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 3 — Jan. 31, 2011
  • pp: 1707–1712

Effective homodyne optical phase locking to PSK signal by means of 8b10b line coding

Andrea Chiuchiarelli, Martyn J. Fice, Ernesto Ciaramella, and Alwyn J. Seeds  »View Author Affiliations


Optics Express, Vol. 19, Issue 3, pp. 1707-1712 (2011)
http://dx.doi.org/10.1364/OE.19.001707


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Abstract

We demonstrate a novel technique that allows effective homodyne optical phase locking to a phase shift keying (PSK) signal with a residual carrier. We exploit 8b10b coding of the signal in order to reduce its low frequency spectral content, suppressing the data-to-phase crosstalk effect. In a transmission experiment on a 10 Gb/s binary PSK signal (8 Gb/s before coding), we achieved transmission over 215 km of dispersion-compensated, installed single-mode fibre, with no penalty compared to back-to-back at a bit error ratio of 10−3. The proposed solution is applicable to other modulation formats, including multi-level amplitude and/or phase modulation formats.

© 2011 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2920) Fiber optics and optical communications : Homodyning
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 11, 2010
Revised Manuscript: December 17, 2010
Manuscript Accepted: December 23, 2010
Published: January 14, 2011

Citation
Andrea Chiuchiarelli, Martyn J. Fice, Ernesto Ciaramella, and Alwyn J. Seeds, "Effective homodyne optical phase locking to PSK signal by means of 8b10b line coding," Opt. Express 19, 1707-1712 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-3-1707


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References

  1. P. W. Hoojimans, Coherent Optical Systems Design, (Wiley, 1994).
  2. R. T. Ramos and A. J. Seeds, “Delay, linewidth and bandwidth limitations in optical phase-locked loop design,” Electron. Lett. 26(6), 389–391 (1990). [CrossRef]
  3. M. J. Fice, and A. J. Seeds, “Frequency-selective homodyne coherent receiver with an optical injection phase lock loop”, Optical Fiber Communication Conference, paper OWT1, San Diego, USA (2008).
  4. M. J. Fice, A. J. Seeds, B. J. Pugh, J. M. Heaton, and S. J. Clements, “Homodyne coherent receiver with phase locking to orthogonal-polarisation pilot carrier by optical injection phase lock loop”, Optical Fiber Communication Conference, paper OTuG1, San Diego, USA (2009).
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  6. E. Ip, A. P. T. Lau, D. J. F. Barros, and J. M. Kahn, “Coherent detection in optical fiber systems,” Opt. Express 16(2), 753–791 (2008). [CrossRef] [PubMed]

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