Methods and devices for amplifying optical signals using a depolarizer
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United States of America Patent
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Feb 21, 2006
Grant Date -
Aug 5, 2004
app pub date -
Jan 30, 2003
filing date -
Jan 30, 2003
priority date (Note) -
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Abstract
An optical amplification device includes a depolarizer for reducing the polarization sensitivity requirements on an SOA by changing the input to the SOA from having an arbitrary (unknown) polarization state to a known (depolarized) state. The depolarizer receives an input optical signal and outputs a depolarized, optical signal, and a semiconductor optical amplifier (SOA) receives the depolarized optical signal and outputs an amplified optical signal.
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