H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/62 (2006.01) H04B 1/12 (2006.01) H04B 10/18 (2006.01) H04B 15/00 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2423240
A method and apparatus is provided for managing chromatic dispersion in an NRZ-based WDM long-haul optical transmission system so that nonlinearities are reduced, especially those at the edge channels of the band. The method includes using between 500 ps/nm and 2000 ps/nm of residual dispersion and a 40%/60% pre/post DCU split ratio when the channel wavelengths are shorter than the zero dispersion wavelength. Using these dispersion compensation rules, the nonlinear propagation effects in NRZ-based WDM systems is reduced, thus allowing for higher optical power per channel and/or longer transmission distances.
Bakhshi Bamdad
Golovchenko Ekaterina A.
Kovsh Dmitriy I.
Vaa Michael
Kirby Eades Gale Baker
Tyco Electronics Subsea Communications Llc
Tyco Telecommunications (us) Inc.
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