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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 13 — Jun. 25, 2007
  • pp: 8094–8103

Performance improvement of DPSK signal transmission by a phase-preserving amplitude limiter

Masayuki Matsumoto and Kenichi Sanuki  »View Author Affiliations

Optics Express, Vol. 15, Issue 13, pp. 8094-8103 (2007)

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It is theoretically and experimentally shown that phase-preserving amplitude regeneration by an all-optical amplitude limiter using saturation of four-wave mixing in a nonlinear fiber can enhance DPSK transmission performance. The limiter suppresses amplitude fluctuations of the signal, by which the nonlinear phase noise caused by self-phase modulation of the transmission fiber is reduced. A 10-Gbit/s short-pulse DPSK transmission experiment shows that the limiter inserted either after a transmitter or inside a recirculating transmission loop can enhance the performance. Theoretical expressions for the linear and nonlinear phase noise are derived, with which the influence of imperfections of the limiter is examined.

© 2007 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.4510) Fiber optics and optical communications : Optical communications
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: March 5, 2007
Revised Manuscript: May 16, 2007
Manuscript Accepted: June 10, 2007
Published: June 13, 2007

Masayuki Matsumoto and Kenichi Sanuki, "Performance improvement of DPSK signal transmission by a phase-preserving amplitude limiter," Opt. Express 15, 8094-8103 (2007)

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