Optical communications – Transmitter – Including compensation
Reexamination Certificate
2006-03-03
2010-02-09
Phan, Hanh (Department: 2613)
Optical communications
Transmitter
Including compensation
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.
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R-J. Essiambre and P. J. Winzer, “Fibre Nonlinearities in Electronicallhy Pre-Distorted Transmission,” ECOC'05, paper Tu3.2.2, 2005.
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Fishman Daniel A.
Liu Xiang
Alcatel-Lucent USA Inc.
Phan Hanh
Wall & Tong LLP
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