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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 12 — Jun. 13, 2005
  • pp: 4568–4579

Signal statistics and maximum likelihood sequence estimation in intensity modulated fiber optic links containing a single optical preamplifier

Nikola Alić, George C. Papen, Robert E. Saperstein, Laurence B. Milstein, and Yeshaiahu Fainman  »View Author Affiliations


Optics Express, Vol. 13, Issue 12, pp. 4568-4579 (2005)
http://dx.doi.org/10.1364/OPEX.13.004568


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Abstract

Exact signal statistics for fiber-optic links containing a single optical pre-amplifier are calculated and applied to sequence estimation for electronic dispersion compensation. The performance is evaluated and compared with results based on the approximate chi-square statistics. We show that detection in existing systems based on exact statistics can be improved relative to using a chi-square distribution for realistic filter shapes. In contrast, for high-spectral efficiency systems the difference between the two approaches diminishes, and performance tends to be less dependent on the exact shape of the filter used.

© 2005 Optical Society of America

OCIS Codes
(000.5490) General : Probability theory, stochastic processes, and statistics
(030.6600) Coherence and statistical optics : Statistical optics
(060.2310) Fiber optics and optical communications : Fiber optics
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Research Papers

History
Original Manuscript: March 31, 2005
Revised Manuscript: May 30, 2005
Published: June 13, 2005

Citation
Nikola Ali�?, George Papen, Robert Saperstein, Laurence Milstein, and Yeshaiahu Fainman, "Signal Statistics and Maximum Likelihood Sequence Estimation in Intensity Modulated Fiber Optic Links Containing a Single Optical Pre-amplifier," Opt. Express 13, 4568-4579 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-12-4568


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