Orthogonal-Polarization Heterodyne OSNR Monitoring Insensitive to Polarization-Mode Dispersion and Nonlinear Polarization Scattering

An in-band optical signal-to-noise-ratio (OSNR) monitoring technique that utilizes the polarization orthogonality and heterodyne mixing is proposed. The technique is not only insensitive to polarization-mode dispersion but also robust to nonlinear polarization scattering induced by interchannel cros...

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Bibliographic Details
Published in:Journal of lightwave technology 2007-01, Vol.25 (1), p.177-183
Main Authors: Chongjin Xie, Kilper, D.C., Moller, L., Ryf, R.
Format: Article
Language:English
Subjects:
Applied sciences
Dynamical systems
Exact sciences and technology
Fiber-optic communications
heterodyne mixing
Information, signal and communications theory
Modulation
Modulation, demodulation
Monitoring
Nonlinear optics
nonlinear polarization scattering
Nonlinearity
o ptical-signal-to-noise ratio (OSNR)
Optical fiber communications
Optical mixing
Optical modulation
Optical noise
Optical polarization
Optical scattering
Optical telecommunications
optical-performance monitoring (OPM)
Polarization
Polarization mode dispersion
polarization-mode dispersion (PMD)
Robustness
Scattering
Signal and communications theory
Signal to noise ratio
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
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Description
Summary:An in-band optical signal-to-noise-ratio (OSNR) monitoring technique that utilizes the polarization orthogonality and heterodyne mixing is proposed. The technique is not only insensitive to polarization-mode dispersion but also robust to nonlinear polarization scattering induced by interchannel cross-phase modulation. Moreover, the technique places no special requirements on the signal properties, such as modulation format and bit rate. The monitoring technique is demonstrated experimentally in both linear and nonlinear systems
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2006.888171