INVERSE DESIGNED PHOTONIC INTEGRATED CIRCUIT WITH IMPROVED SIGNAL TO NOISE RATIO
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Jun 12, 2023
filing date -
Jun 12, 2023
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Abstract
A photonic integrated circuit including an optical modulator, one or more waveguides, and an outcoupler is described. The optical modulator includes a modulation region and a modulation actuator. The modulation region includes an inhomogeneous arrangement of two or more different materials having different refractive indexes to structure the modulation region to manipulate one or more optical properties of an optical carrier wave in response to a modulation bias. The modulation actuator is disposed proximate to the modulation region and adapted to apply the modulation bias to the modulation region to generate a first signal and a second signal. The outcoupler is optically coupled to the one or more waveguides to receive the first signal and the second signal and further adapted to preserve the first signal and the second signal as a combined signal directed out of the photonic integrated circuit.
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