Referenced Items are not available for this document.
We propose a low-cost technique for simultaneous and independent optical signal-to-noise ratio (OSNR), chromatic dispersion (CD), and polarization-mode dispersion (PMD) monitoring in 40/56-Gb/s return-to-zero differential quadrature phase-shift keying (RZ-DQPSK) and 40-Gb/s RZ-DPSK systems, using artificial neural networks (ANN) trained with empirical moments of asynchronously sampled signal amplitudes. The proposed technique employs an extremely simple hardware and digital signal processing to enable multi-impairment monitoring at different data rates and for various modulation formats without necessitating hardware changes. Simulation results demonstrate wide dynamic ranges and good monitoring accuracies.
Published in:
Photonics Technology Letters, IEEE
(Volume:24
,
Issue:
12
)
Date of Publication: June15, 2012
- Page(s):
- 982 - 984
- ISSN :
- 1041-1135
- INSPEC Accession Number:
- 12712307
- Digital Object Identifier :
- 10.1109/LPT.2012.2190762
- Product Type:
- Journals & Magazines
- Date of Publication :
- 13 March 2012
- Date of Current Version :
- 07 May 2012
- Issue Date :
- June15, 2012
- Sponsored by :
- IEEE Photonics Society
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