Reliability of an optical communication system and of an optical amplifying system, and a method suitable to this aim
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United States of America Patent
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May 22, 2001
Grant Date -
N/A
app pub date -
May 12, 1998
filing date -
May 13, 1997
priority date (Note) -
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Abstract
An improvement in the reliability of an optical communication system comprising two optical fiber lines, a first transmitter for transmitting at least a signal in the first optical line, a second transmitter for transmitting at least a signal in the second optical line, at least one two-stage-amplifier in each of said first and second line, laser pumps providing pumping signals to said stages of the amplifiers, a first receiver for receiving the signal from the first optical line, and a second receiver for receiving the signal from the second optical line, wherein said laser pumps form a single system that provides a first pumping signal to at least one stage of said at least one amplifier of each of said first and second line.
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