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Optics Express

Optics Express

  • Editor: Martijn de Sterke
  • Vol. 16, Iss. 20 — Sep. 29, 2008
  • pp: 15759–15764

10.7 Gb/s uncompensated transmission over a 470 km hybrid fiber link with in-line SOAs using MLSE and duobinary signals

John D. Downie, Jason Hurley, and Yihong Mauro  »View Author Affiliations


Optics Express, Vol. 16, Issue 20, pp. 15759-15764 (2008)
http://dx.doi.org/10.1364/OE.16.015759


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Abstract

We experimentally demonstrate uncompensated 8-channel wavelength division multiplexing (WDM) and single channel transmission at 10.7 Gb/s over a 470 km hybrid fiber link with in-line semiconductor optical amplifiers (SOAs). Two different forms of the duobinary modulation format are investigated and compared. Maximum Likelihood Sequence Estimation (MLSE) receiver technology is found to significantly mitigate nonlinear effects from the SOAs and to enable the long transmission, especially for optical duobinary signals derived from differential phase shift keying (DPSK) signals directly detected after narrowband optical filter demodulation. The MLSE also helps to compensate for a non-optimal Fabry-Perot optical filter demodulator.

© 2008 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 26, 2008
Revised Manuscript: September 15, 2008
Manuscript Accepted: September 15, 2008
Published: September 19, 2008

Citation
John D. Downie, Jason Hurley, and Yihong Mauro, "10.7 Gb/s uncompensated transmission over a 470 km hybrid fiber link with in-line SOAs using MLSE and duobinary signals," Opt. Express 16, 15759-15764 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-20-15759


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References

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