High-performance electro-optic intensity modulator using...

Details High-performance electro-optic intensity modulator using... High-performance electro-optic intensity modulator using...

G - Physics

02

F

G02F 1/035 (2006.01) G02F 1/065 (2006.01) G02F 1/313 (2006.01)

Patent

CA 2299907

A high-performance electro-optic intensity modulator using two polymeric waveguides having a high extinction-ratio modulation process is implemented by the coupling-out effect of induced grating modulation. The two waveguides can be either single-mode or multi-mode, even highly multimode. The inducing of a modulated grating-coupler in a waveguide channel makes the coupling between two waveguides become unidirectional and the coupling efficiency can be achieved to a very high value in theory. The two waveguide channels in this intensity modulator may have large dimensions, so the device can support either single-mod or multi-mode operation. The electro-optic waveguide intensity modulator may be used either as a single optical modulator/switch or as a waveguide modulator/switch array for fiber-optic communication.

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