21 October 1994 Waveguide electro-optic grating coupler modulators operable under both single-mode and multimode conditions
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Abstract
We report here a new waveguide electrooptic grating coupler modulator based on a tooth-shaped modulation electrode structure and a single straight channel waveguide on an electrooptic substrate. An electrooptically-induced grating on the channel waveguide couples the propagating single or multimode lights into the substrate, and thus achieves intensity modulation of the guided modes. Both single-mode and multimode operations are possible. Preliminary experiments have demonstrated the effect of modulation on a proton exchanged LiNbO3 waveguide device. Modulation on other electrooptic waveguides are expected.
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Michael R. Wang, Michael R. Wang, Guoda Xu, Guoda Xu, } "Waveguide electro-optic grating coupler modulators operable under both single-mode and multimode conditions", Proc. SPIE 2291, Integrated Optics and Microstructures II, (21 October 1994); doi: 10.1117/12.190920; https://doi.org/10.1117/12.190920
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