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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 6 — Mar. 17, 2008
  • pp: 3566–3576

Experimental demonstration of optical performance monitoring for RZ-DPSK signals using delay-tap sampling method

Bartłomiej Kozicki, Akihiro Maruta, and Ken-ichi Kitayama  »View Author Affiliations


Optics Express, Vol. 16, Issue 6, pp. 3566-3576 (2008)
http://dx.doi.org/10.1364/OE.16.003566


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Abstract

The emerging transparent optical networks, employing spectrally-efficient modulation formats require new methods for supervision of signal quality in the optical domain. In this paper we demonstrate the optical performance monitoring (OPM) of optical signal-to-noise ratio (OSNR) and chromatic dispersion (CD) in return-to-zero differential phase-shift keying (RZ-DPSK) signals using asynchronous delay-tap sampling and pattern recognition algorithms. We experimentally show noise measurement of OSNR from 8.7 dB to 32 dB with low optical input power requirement. Moreover, residual CD can be evaluated in the range from -600 to +600 ps/nm. The results indicate that careful adjustment of delay is necessary in order to ensure accurate measurement.

© 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
(060.4510) Fiber optics and optical communications : Optical communications
(060.5060) Fiber optics and optical communications : Phase modulation
(060.1155) Fiber optics and optical communications : All-optical networks

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 12, 2007
Revised Manuscript: January 13, 2008
Manuscript Accepted: February 28, 2008
Published: March 3, 2008

Citation
Bartlomiej Kozicki, Akihiro Maruta, and Ken-ichi Kitayama, "Experimental demonstration of optical performance monitoring for RZ-DPSK signals using delay-tap sampling method," Opt. Express 16, 3566-3576 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-6-3566


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