Simultaneous electrical pre-compensation of self-phase...

Optical communications – Transmitter – Including compensation

Reexamination Certificate

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Details

C398S162000, C398S158000, C398S159000, C398S033000, C398S141000

Reexamination Certificate

active

07660537

ABSTRACT:
The present invention includes a fast algorithm to compute the pre-equalized waveform for simultaneous compensation of the self-phase modulation and chromatic dispersion experienced by a high-speed optical signal, e.g., at 10 Gb/s, and shows that it is used for an automatic self-adapting pre-equalization when the knowledge on transmission link details is inaccurate or incomplete.

REFERENCES:
patent: 7382985 (2008-06-01), Roberts et al.
patent: 2004/0197103 (2004-10-01), Roberts et al.
J. McNicol et al., “Electrical Domain Compensation of Optical Dispersion,” OFC'05, paper OTHJ3, 2005.
D. McGhan et al., “5120 km RZ-DPSK Transmission Over G652 Fiber at 10 Gb/s With No Optical Dispersion Compensation,” OFC'05, postdeadline paper PDP 27, 2005.
M. El Said et al., “An Electrically Pre-Equalized 10-Gb/s Duobinary Transmission System,” J. Lightwave Technol, vol. 23, No. 1, pp. 388-400, Jan. 2005.
M. S. O'Sullivan et al., “Electronic Dispersion Compensation Techniques for Optical Communication Systems,” ECOC'05, paper Tu3.2.1, 2005.
R. I. Killey et al., “Electronic Precompensation Techniques to Combat Dispersion and Nonlinearities in Optical Transmission,” ECOC'05, paper Tu4.2.1, 2005.
R-J. Essiambre and P. J. Winzer, “Fibre Nonlinearities in Electronicallhy Pre-Distorted Transmission,” ECOC'05, paper Tu3.2.2, 2005.
P. J. Winzer and R-J. Essiambre, “Electronic Pre-Distortion for Advanced Modulation Formats,” ECOC'05, paper Tu4.2.2, 2005.

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