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Optics Express

Optics Express

  • Editor: Martijn de Sterke
  • Vol. 16, Iss. 20 — Sep. 29, 2008
  • pp: 15999–16004

Simultaneous chromatic dispersion, polarization-mode-dispersion and OSNR monitoring at 40Gbit/s

Lamia Baker-Meflah, Benn Thomsen, John Mitchell, and Polina Bayvel  »View Author Affiliations

Optics Express, Vol. 16, Issue 20, pp. 15999-16004 (2008)

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A novel method for independent and simultaneous monitoring of chromatic dispersion (CD), first-order PMD and OSNR in 40Gbit/s systems is proposed and demonstrated. This is performed using in-band tone monitoring of 5GHz, optically down-converted to a low intermediate-frequency (IF) of 10kHz. The measurement provides a large monitoring range with good accuracies for CD (4742±100ps/nm), differential group delay (DGD) (200±4ps) and OSNR (23±1dB), independently of the bit-rate. In addition, the use of electro-absorption modulators (EAM) for the simultaneous down-conversion of all channels and the use of low-speed detectors makes it cost effective for multi-channel operation.

© 2008 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 5, 2008
Revised Manuscript: September 12, 2008
Manuscript Accepted: September 15, 2008
Published: September 24, 2008

Lamia Baker-Meflah, Benn Thomsen, John Mitchell, and Polina Bayvel, "Simultaneous chromatic dispersion, polarization-mode-dispersion and OSNR monitoring at 40Gbit/s," Opt. Express 16, 15999-16004 (2008)

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