INTEGRATED OPTICAL RECEIVER WITH MONITOR PHOTODIODE
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United States of America Patent
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Issued Date -
Aug 29, 2024
app pub date -
May 31, 2023
filing date -
Feb 28, 2023
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Abstract
An optical receiver includes an integrated receiver chip includes a data port configured to receive an optical data signal derived from a receive optical signal, a first waveguide coupled to the data port and configured to transmit the optical data signal from the data port to an optical waveguide circuit of the integrated receiver chip, a power monitoring port configured to receive an optical monitoring signal derived from the receive optical signal, and a second waveguide coupled to the power monitoring port and configured to transmit the optical monitoring signal to a monitor photodiode that is monolithically integrated in the integrated receiver chip. The monitor photodiode is configured to convert the optical monitoring signal into an electrical signal representative of an optical input power of the receive optical signal.
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