Optical communications – Transmitter and receiver system – Including optical waveguide
Reexamination Certificate
2005-12-13
2009-02-03
Phan, Hanh (Department: 2613)
Optical communications
Transmitter and receiver system
Including optical waveguide
C398S158000, C398S159000, C398S161000, C398S162000, C398S152000, C398S065000, C398S081000, C398S029000, C398S202000, C398S205000, C398S208000, C398S209000, C385S011000, C385S024000, C385S027000, C385S031000, C385S122000, C385S123000, C385S014000, C385S124000
Reexamination Certificate
active
07486895
ABSTRACT:
The present invention includes apparatus and method of a variable step size dithering control algorithm for polarization mode dispersion controllers (PMDCs). The dithering step size of the PCs is adjusted according to the feedback signal including degree of polarization (DOP).
REFERENCES:
patent: 7151898 (2006-12-01), Phua et al.
patent: 7218856 (2007-05-01), Takahara et al.
patent: 2006/0245680 (2006-11-01), Rasmussen et al.
patent: 2007/0110451 (2007-05-01), Rasmussen et al.
J. C. Rasmussen, et al., “Automatic Compensation of Polarization-Mode Dispersion for 40 Gb/s Transmission Systems,” J. of Lightwave Technology, vol. 20, No. 12, Dec. 2002, pp. 2101-2109.
Y. Zheng, et al., “Automatic PMD Compensation Experiment With Particle Swarm Optimization and Adaptive Dithering Algorithms for 10-Gb/s NRZ and RZ Formats,” IEEE J. of Quantum Electronics, vol. 40, No. 4, Apr. 2004, pp. 427-435.
D. L. Peterson, Jr. et al., “Field Measurements of State of Polarization and PMD From a Tier-1 Carrier,” Proc. OFC'2004, paper F11, 2004.
C. Xie et al., “Two-Stage Optical Polarization Mode Dispersion Compensators for NRZ-DPSK Signals,” ITD-05-46284J, 2005.
P. J. Leo et al., “State of Polarization Changes: Classification and Measurement,” J. of Lightwave Tech., vol. 21, No. 10, Oct. 2003, pp. 2189-2193.
C. Xie et al., “Dynamic Polarization Mode Dispersion (PMD) and PMD Compensator Model and Their Application to the Study of PMD Compensator Speed Requirement,” submitted to OFC'2006.
Werner Dieter
Xie Chongjin
Alcatel-Lucent USA Inc.
Phan Hanh
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