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Optics Letters

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  • Vol. 36, Iss. 16 — Aug. 15, 2011
  • pp: 3215–3217

Optical monitoring of PMD accumulation on a Pol-MUX phase-modulated signal using degree-of-polarization measurements

Jeng-Yuan Yang, Mohammad R. Chitgarha, Lin Zhang, Jian Wang, Loukas Paraschis, and Alan E. Willner  »View Author Affiliations


Optics Letters, Vol. 36, Issue 16, pp. 3215-3217 (2011)
http://dx.doi.org/10.1364/OL.36.003215


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Abstract

We experimentally demonstrate a chromatic dispersion insensitive monitoring technique for monitoring of polarization mode dispersion and time misalignment in a 80 Gbit / s polarization-multiplexed return-to-zero differential phase-shift-keying (Pol-MUX RZ-DPSK) signal using a polarimeter and degree-of polarization (DOP) measurements. This technique is modulation format independent (i.e., applicable to both the phase- and amplitude-modulated data) and capable of measuring the fast change of polarization effects caused by vibration or other fast disturbances in the fiber link. We show that the monitored DOP of this signal decreases by 10.8% with differential group delay of 0 12 ps and decreases by 20% with a maximum misalignment of 12.5 ps between two orthogonally polarized RZ-DPSK channels. These measurements are less sensitive to chromatic dispersion of 0 400 ps / nm .

© 2011 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: June 10, 2011
Revised Manuscript: July 15, 2011
Manuscript Accepted: July 22, 2011
Published: August 12, 2011

Citation
Jeng-Yuan Yang, Mohammad R. Chitgarha, Lin Zhang, Jian Wang, Loukas Paraschis, and Alan E. Willner, "Optical monitoring of PMD accumulation on a Pol-MUX phase-modulated signal using degree-of-polarization measurements," Opt. Lett. 36, 3215-3217 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-16-3215

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