Saturable light absorber structure and a device incorporating the structure for regenerating a wavelength division multiplexed signal
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United States of America Patent
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Jan 2, 2007
Grant Date -
Mar 6, 2003
app pub date -
Jul 31, 2002
filing date -
Aug 30, 2001
priority date (Note) -
Expired
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Abstract
The invention relates to a saturable light absorber adapted to receive different focused spectral components, wherein the structure of said saturable light absorber comprises microcavities integrated into a substrate and each associated with a respective one of said spectral components, each microcavity comprising a saturable absorber layer delimited by a top reflector and a bottom reflector and being disposed and having dimensions such that it receives only the focused spectral component associated with it.
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