Method for an all fiber optic, polarization insensitive, etalon based optical receiver for coherent signals
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United States of America Patent
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Feb 20, 2024
Grant Date -
Aug 17, 2023
app pub date -
Feb 11, 2022
filing date -
Feb 11, 2022
priority date (Note) -
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Abstract
An optical signal receivers, systems including the optical signal receivers, and methods of operating the same include a multimode fiber circulator including a first port, a second port, and a third port, a first multimode fiber cable coupled to the first port and having an input configured to receive a complex modulated optical signal and provide the complex modulated optical signal to the first port of the multimode fiber circulator, a second multimode fiber cable including a low Q optical resonator coupled to the second port of the multimode fiber circulator that is configured to receive the complex modulated optical signal from the second port of the multimode circulator, and a third multimode fiber cable coupled to the third port of the multimode fiber circulator that is configured to receive a reflected optical signal from the third port of the multimode circulator, the reflected optical signal being reflected from the low Q optical resonator.
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