Variable optical attenuator using waveguide modification

Details Variable optical attenuator using waveguide modification Variable optical attenuator using waveguide modification

G - Physics

02

F

G02F 1/035 (2006.01) G02F 1/01 (2006.01) G02F 1/025 (2006.01)

Patent

CA 2378280

A variable optical attenuator is disclosed having a waveguide modification. Light coupling from an input waveguide to an output waveguide is electrically controllable through an electrically variable refractive index region, wherein attenuation of the device is dependent upon the applied voltage to the electrically variable refractive index region.

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