Spatially dephasing local oscillator for coherent free-space optical communications
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United States of America Patent
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Nov 6, 2018
Grant Date -
Jan 11, 2018
app pub date -
Jul 7, 2016
filing date -
Jul 7, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A coherent transceiver system includes a local oscillator (LO) light source to generate an LO optical signal. An adaptive fiber array is coupled to the LO light source to dephase the LO optical signal. A balanced detector is coupled to the adaptive fiber array to receive a dephased LO signal from the adaptive fiber array and an optical input signal and to generate a heterodyne signal. A controller receives the heterodyne signal and generates one or more control signals. The adaptive fiber array utilizes the control signals to dephase the LO optical signal.
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International Classification(s)
- 2016 Application Filing Year
- H04B Class
- 10354 Applications Filed
- 8441 Patents Issued To-Date
- 81.53 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- H04B Class
- 20.43 % this patent is cited more than
- 7 Age
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