Fault tolerant optical amplifier configuration using pump...

Details Fault tolerant optical amplifier configuration using pump... Fault tolerant optical amplifier configuration using pump...

2005-05-31

2005-05-31

Lee, John D. (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling structure

C385S027000, C359S341300, C359S341320

Reexamination Certificate

active

06901190

ABSTRACT:
A method and apparatus for amplifying optical transmission signals is described. A bi-directional amplifier utilizes a pump feed-through signal from one of the optical pumps used to pump a first amplifying fiber to provide pump power to a second amplifying fiber. If an optical pump within the amplifier fails, this feed-through signal is used to pump the amplifying fiber directly pumped by the failed pump source.

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patent: 2002/0176155 (2002-11-01), Islam

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