L-band light source
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United States of America Patent
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-
Jan 15, 2008
Grant Date -
Jun 23, 2005
app pub date -
Jul 28, 2004
filing date -
Dec 19, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An L-band light source is provided that has improved amplifying efficiency and stabilized output power. The L-band light source comprises: a gain medium having first and second sides, and configured to generate an L-band amplified spontaneous emission (ASE); a first pump light source to generate first pumping light; a first wavelength selective coupler to supply the first pumping light to the gain medium; and a first reflector to reflect a part of ASE outputted to the fist side of the gain medium, the first reflector having a predetermined reflection.
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