A system for filtering light propagating in a waveguide is described. The system utilizes an adjustable periodic grating which induces mode coupling of predetermined frequencies of light propagating in the waveguide.
US Patent 07233720 Devices based on optical waveguides with adjustable Bragg gratingsUS Patent 7233720 Devices based on optical waveguides with adjustable Bragg gratings
Infobox
Patent Number
0723372000
Patent Number
723372000
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