Segmented complex fiber gratings
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United States of America Patent
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Nov 6, 2001
Issued Date -
N/A
app pub date -
Jul 22, 1998
filing date -
Mar 13, 1995
priority date (Note) -
Expired
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Abstract
A waveguide that is operative to produce a reflected optical signal having a spectral profile corresponding to a product of a spectral profile of an input optical signal and a predetermined complex-valued spectral filtering function wherein the waveguide includes a plurality of spatially distinct subgratings each possessing a periodic array of diffraction elements. The subgratings are situated and configured based on the predetermined complex-valued spectral filtering function.
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