OPTICAL MODULATOR, OPTICAL TRANSMITTER-RECEIVER, AND OPTICAL TRANSCEIVER
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United States of America
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Jan 30, 2025
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Jun 25, 2024
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Jun 25, 2024
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Abstract
An optical modulator includes an electro-optic layer including an electro-optic material, and a material layer arranged below the electro-optic layer and having a dielectric constant lower than a dielectric constant of the electro-optic layer. The optical modulator includes a core layer arranged below the material layer and having a refractive index higher than refractive indices of the electro-optic layer and the material layer, and an electrode that applies an electric signal to the electro-optic layer. The refractive index of the material layer is 0.85 times the refractive index of the electro-optic layer or higher.
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