Burst mode transmission over multiple optical wavelengths

Details Burst mode transmission over multiple optical wavelengths Burst mode transmission over multiple optical wavelengths

H - Electricity

04

L

H04L 29/02 (2006.01) H04B 10/20 (2006.01) H04J 3/16 (2006.01) H04J 4/00 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2323188

A method and system for using burst mode transmission on multiple optical wavelengths is disclosed. In a passive optical network, a synchronization signal is transmitted from a central terminal to remote terminals and burst data signals are transmitted from remote terminals to the central terminal. A first group of remote terminals transmits burst data signals in respective timeslots that are synchronized to the received synchronization signal and multiplexed at a first optical wavelength. A second group of remote terminals transmits burst data signals in respective timeslots that are synchronized to the received synchronization signal and multiplexed at a second optical wavelength. The timeslots are synchronized and phase aligned with each other such that optical crosstalk interference between adjacent optical wavelengths is avoided and each wavelength can be spectrally spaced as close as possible to adjacent wavelengths.

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