Optical demultiplexer filter system to eliminate cross-talk...

Details Optical demultiplexer filter system to eliminate cross-talk... Optical demultiplexer filter system to eliminate cross-talk...

H - Electricity

04

J

H04J 14/02 (2006.01) H04B 10/18 (2006.01)

Patent

CA 2262728

Optical amplifiers are typically disposed along the transmission path of an optical system. If a large number of optical amplifiers, e.g., eight, are so disposed, then it is likely that an appreciable level of so-called power divergence will occur among the optical signals forming a composite optical signal that traverses the path. Disadvantageously, when the composite signal is received at a destination and demultiplexed, a number of the demultiplexed optical signals will contain components of the other demultiplexed optical signals as a result of such power divergence. This problem is readily handled using a facility which greatly suppresses such components in a demultiplexed optical signal.

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