Electro-optic device

G - Physics – 02 – F

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G02F 1/29 (2006.01) G02F 1/035 (2006.01) G02F 1/21 (2006.01) G02F 1/225 (2006.01) G02F 1/313 (2006.01)

Patent

CA 1320753

ABSTRACT ELECTRO-OPTIC DEVICE In electro-optic waveguides devices such as directional couplers and Mach-Zehnder interferometers having travelling-wave electrodes which overlie the waveguides, temperature sensitivity is reduced by arranging the ground plane electrode to overlie only part of the width of its associated waveguide portion. The invention has particular application to z-cut lithium niobate. Figure 2.

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