Optical control device and method for making the same

Details Optical control device and method for making the same Optical control device and method for making the same

G - Physics

02

F

G02F 1/03 (2006.01) G02F 1/035 (2006.01) G02F 1/225 (2006.01) G02F 1/313 (2006.01)

Patent

CA 2159129

An optical control device has a LiNbO3 or LiTaO3 crystalline substrate having an electro-optic effect, a channel-type optical waveguide which is formed in the crystalline substrate by doping metal, and optically-transparent film layer formed on the crystalline substrate, and electrodes formed on the optically-transparent film layer. In one form, a portion of a surface layer of the crystalline substrate is doped with a metal, that portion extending on both sides of the channel-type optical waveguide. In another form, an entire surface layer of the crystalline substrate is doped with the metal, including a part of the surface layer forming a portion of the channel-type optical waveguide.

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