Optical transmission system
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United States of America Patent
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-
Aug 6, 1985
Grant Date -
N/A
app pub date -
Aug 23, 1982
filing date -
Sep 3, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical transmission system comprises a light source, which may be coherent or incoherent, a first optical interferometer wherein light from the source is modulated, an optical path, which may be either free space or an optical fiber, along which the modulated output of the first interferometer is propagated, a second interferometer wherein light received from the optical path is demodulated, and a photodetector to which the demodulated output is applied. Typically the first interferometers is a Fabry-Perot etalon, the length of the resonant cavity of which can be altered to modulate light applied thereto.
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