Optical wavelength routing device

Details Optical wavelength routing device Optical wavelength routing device

H - Electricity

04

J

H04J 14/02 (2006.01) G02B 6/34 (2006.01) H04Q 11/02 (2006.01)

Patent

CA 2256186

An optical wavelength routing device comprises an arrayed waveguide comprising a plurality of channel waveguides formed on a substrate, a plurality of input waveguides having 12 input ports located on an input side of the arrayed waveguide, a plurality of output waveguides having 16 input ports located on an output side of the arrayed waveguide, an input slab waveguide for coupling the plurality of input waveguides to the arrayed waveguide to provide a first coupling portion on the side of the input waveguide, and an output slab waveguide for coupling the arrayed waveguide to the plurality of output waveguides to provide a second coupling portion on the side of the output waveguide, in which central wavelengths of lights input to the input ports and output from the output ports are controlled such that a difference between a predetermined wavelength and a central wavelength is suppressed within the range of ~ .delta. .lambda. /4. By this structure, a maximum central wavelength difference can be suppressed at minimum.

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