Simultaneous monitoring of both optical signal-to-noise ratio and polarization-mode dispersion using polarization scrambling and polarization beam splitting

This paper proposes a simple method to monitor both optical signal-to-noise ratio (OSNR) and polarization-mode dispersion (PMD) simultaneously using a polarization-scrambling module followed by polarization beam splitting. OSNR and PMD are obtained from interaction terms between two orthogonal polar...

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Bibliographic Details
Published in:Journal of lightwave technology 2005-10, Vol.23 (10), p.3290-3294
Main Authors: Yan, L.-S., Yao, X.S., Shi, Y., Willner, A.E.
Format: Article
Language:English
Subjects:
Beams (radiation)
Degradation
Degree of polarization
Fiber nonlinear optics
Monitoring
Monitors
Nonlinear optics
Optical beam splitting
Optical communication
optical communications
Optical filters
Optical noise
Optical polarization
optical signal-to-noise ratio (OSNR)
Polarization
Polarization mode dispersion
polarization-mode dispersion (PMD)
Signal to noise ratio
Splitting
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Description
Summary:This paper proposes a simple method to monitor both optical signal-to-noise ratio (OSNR) and polarization-mode dispersion (PMD) simultaneously using a polarization-scrambling module followed by polarization beam splitting. OSNR and PMD are obtained from interaction terms between two orthogonal polarization arms. Monitored OSNR and PMD are independent of each other. Experimental results are demonstrated in a 10-Gb/s nonreturn-to-zero (NRZ) system with OSNR from 18 to 36 dB and PMD from 0 to 70 ps.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2005.855686