DIFFERENTIAL TRAVELING WAVE ELECTRO-ABSORPTION MODULATOR FOR HIGH BANDWIDTH OPERATION
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United States of America Patent
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Issued Date -
Sep 19, 2024
app pub date -
Mar 13, 2023
filing date -
Mar 13, 2023
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Abstract
Systems and methods are described herein for an electro-absorption modulator (EAM) device. An example EAM device comprises an optical waveguide comprising a waveguide core configured to facilitate propagation of an optical signal therethrough; a segmented structure comprising diode segments disposed on the waveguide; and a differential electrical transmission line operatively coupled to the diode segments. The electrical transmission line includes a first transmission rail and a second transmission rail, and the electrical transmission line is configured to facilitate propagation of an electrical signal therethrough. The EAM device is configured for operation by a differential radio frequency (RF) source that is configured to supply the electrical signal to the EAM device, and the EAM device is formed on a semi-insulating substrate.
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