Abstract

<p><a href="http://www.osa-jon.org/features/OPM_2004.html">Feature Issue on Optical Performance Monitoring (OPM)</a></p> An effective technique to monitor the quality of wavelength-division-multiplexed (WDM) channels is presented. This process uses a blind signal separation (BSS) method based on higher-order-statistics (HOS), and an optical-loop structure to extract the baseband channels from the WDM transmission. From the reconstructed baseband waveforms, a series of WDM transmission quality parameters are evaluated. Relative to previously proposed methods for WDM-channel monitoring, the HOS-based optical-loop procedure shows reduced complexity, improved cost efficiency, and better performance.

© 2003 Optical Society of America

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  1. K. Otsuka, T. Maki, Y. Sampei, Y. Tachikawa, N. Fukushima, and T. Chikama, "A high-performance optical spectrum monitor with high-speed measuring time for WDM optical networks," in IOOC-ECOC97 IEE Conference Publication (Edinburgh, UK, 1997), pp. 147-150.
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  23. V. Zarzoso and A. K. Nandi, "Adaptive blind source separation for virtually any source probability density function," IEEE Trans. Signal Proc. 2, 477-488 (2000).

Blind Estimation Using Higher-Order Stat

V. Zarzoso and A. K. Nandi, "Blind source separation," in Blind Estimation Using Higher-Order Statistics, A. K. Nandi, ed. (Kluwer Academic, Boston, 1999), pp. 167-252.

DSP'02

Y. Feng, V. Zarzoso, and A. K. Nandi, "WDM monitoring using blind signal separation based on higher-order statistics," in Proceedings of DSP'02 (IEEE, New York 2002), pp. 155-158.

Electro. Lett.

I. Shake, H. Takara, S. Kawanishi, and Y. Yamabayashi, "Optical signal quality monitoring method based on optical sampling," Electro. Lett. 22, 2152-2154 (1998).

Electron. Lett.

N. Hanik, A. Gladisch, C. Caspar, and B. Strebel, "Application of amplitude histograms to monitor performance of optical channels," Electron. Lett. 35, 403-404 (1999).

IEE Proc. F 1993

J. F. Cardoso and A. Souloumiac, "Blind beamforming for non-Gaussian signals," in IEE Proc. F (1993), pp. 362-370.

IEEE Photon. Technol. Lett.

L. E. Nelson, S. T. Cundiff, and C. R. Giles, "Optical monitoring using data correlation for WDM systems," IEEE Photon. Technol. Lett. 7, 1030-1032 (1998).

E. Tangdiongga, N. Calabretta, P. C. W. Sommen, and H. J. S. Dorren, "WDM monitoring technique using adaptive blind signal separation," IEEE Photon. Technol. Lett. 3, 248-250 (2001).

I. Shake, H. Takara, K. Uchiyama, and Y. Yamabayashi, "Quality monitoring of optical signals influenced by chromatic dispersion in a transmission fiber using averaged Q-factor evaluation," IEEE Photon. Technol. Lett. 4, 385-387 (2001).

N. S. Bergano, F. W. Kerfoot, and C. R. Davidson, "Margin measurements in optical amplifier systems," IEEE Photon. Technol. Lett. 3, 304-306 (1993).

IEEE Trans. Signal Proc.

V. Zarzoso and A. K. Nandi, "Adaptive blind source separation for virtually any source probability density function," IEEE Trans. Signal Proc. 2, 477-488 (2000).

IEEE Trans. Signal Process.

S. van Gerven and D. van Compernolle, "Signal separation by symmetric adaptive decorrelation: stability, convergence, and uniqueness," IEEE Trans. Signal Process. 7, 1602-1612 (1995).

V. Zarzoso and A. K. Nandi, "Blind separation of independent sources for virtually any source probability density function," IEEE Trans. Signal Process. 9, 2419-2432 (1999).

IOOC-ECOC97

K. Otsuka, T. Maki, Y. Sampei, Y. Tachikawa, N. Fukushima, and T. Chikama, "A high-performance optical spectrum monitor with high-speed measuring time for WDM optical networks," in IOOC-ECOC97 IEE Conference Publication (Edinburgh, UK, 1997), pp. 147-150.

OFC 2002

Y. Feng, V. Zarzoso, and A. K. Nandi, "WDM monitoring through blind signal separation," in Optical Fiber Communication Conference (OFC 2002), Vol. 70 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2002), pp. 746-748.

Photon. Netw. Commun.

M. P. H. van de Bergh, J. J. G. M. van der Tol, and H. J. S. Dorren, "A novel WDM monitoring method," Photon. Netw. Commun. 4, 323-329 (1999).

Signal Process.

F. Harroy and J. Lacoume, "Maximum likelihood estimators and Cramer-Rao bounds in source separation," Signal Process. 12, 167-177 (1996).

F. Hermann and A. K. Nandi, "Blind separation of linear instantaneous mixtures using closed-form estimators," Signal Process. 7, 1537-1556 (2001).

P. Comon, "Independent component analysis, a new concept?" Signal Process. 3, 287-314 (1994).

Statistical Signal and Array Processing

M. Ghogho, A. Swami, and T. Durrani, "Approximate maximum likelihood blind source separation with arbitrary source PDFs," in Proceedings of 10th IEEE Workshop on Statistical Signal and Array Processing (IEEE, New York, 2000), pp. 368-372.

Statistical Signal Processing

V. Zarzoso, F. Herrmann, and A. K. Nandi, "Weighted closed-form estimators for blind source separation," in Proceedings of 11th IEEE Workshop on Statistical Signal Processing (IEEE, New York, 2001), pp. 456-459.

Other

G. H. Golub and C. F. Van Loan, Matrix Computations, 2nd ed. (Johns Hopkins University, Baltimore, 1989).

A. Hyvärinen, J. Karhunen, and E. Oja, Independent Components Analysis (Wiley, New York, 2001).

VPI Virtual Photonics, VPI Photonic Modules Reference Manual (2001), pp. 45-49.

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