COMPACT DIFFERENTIAL TRAVELING WAVE ELECTRO-ABSORPTION MODULATOR FOR HIGH BANDWIDTH OPERATION
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Sep 6, 2023
filing date -
Sep 6, 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 and modulation of an optical signal therethrough; a segmented structure comprising diode segments disposed on the waveguide; and an electrical transmission line operatively coupled to the diode segments. The electrical transmission line is configured to facilitate propagation of an electrical signal therethrough. The electrical transmission line includes a first transmission line rail and a second transmission line, where a first subset of diode segments is operatively coupled to the first transmission line rail and a ground rail, and a second subset of diode segments is operatively coupled to the second transmission line and the ground rail. The diode segments from the first subset are disposed alternately with the diode segments from the second subset.
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