Programmable demultiplexer using electro-optially modulated...

Details Programmable demultiplexer using electro-optially modulated... Programmable demultiplexer using electro-optially modulated...

G - Physics

02

F

G02F 1/29 (2006.01) G02F 1/065 (2006.01) G02F 1/313 (2006.01)

Patent

CA 2299873

A programmable optical demultiplexer (or switch) employing index-modulated electro-optical (or thermo-optical) polymeric grating-coupler array in conjunction with substrate guided wave is proposed. These modulated grating-couplers are produced by a modulating signal (voltage) applied to electrodes with grating patterns. Different electro-optic grating-couplers in the grating-coupler array have different coupling wavelengths so that each of them can couple a selected wavelength out from the substrate guided waves. This architecture can be used as a programmable demultiplexer to implement reconfigurable wavelength-division-multiplexed (WDM) optical systems.

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