AN OPTICAL DEVICE, AN ELECTRONIC DEVICE, AND A PROGRAMMABLE PHOTONIC INTEGRATED CIRCUIT
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United States of America Patent
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Issued Date -
Feb 22, 2024
app pub date -
Sep 29, 2021
filing date -
Jun 17, 2021
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Abstract
The optical device includes: a first coupler having an adjustable beam splitting ratio; a sensing arm and a programmable modulation arm which are connected to the first coupler; and a second coupler having an input port connected to the sensing arm and the programmable modulation arm and an output port connected to a photodetector. The sensing arm is used for generating, by means of a slot waveguide, a first signal from a first light wave beam outputted by the first coupler. The programmable modulation arm is used for obtaining, by utilizing a grating, a second signal according to a second light wave beam outputted by the first coupler, and the grating is a nano grating generated under a pre-programmed voltage parameter of a programmable piezoelectric transducer of the programmable modulation arm. An electronic device and a programmable photonic integrated circuit are also disclosed herein.
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