Optical signal to noise monitor
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United States of America Patent
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Dec 31, 2013
Grant Date -
Jul 15, 2010
app pub date -
Jun 13, 2008
filing date -
Jun 14, 2007
priority date (Note) -
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Abstract
An optical noise monitoring method and monitor, the monitor comprising an optical transmitter for receiving at least a portion of an optical signal, a device arranged to extract a reflected optical signal comprising a portion of the optical signal back-reflected by stimulated Brillouin scattering in the optical transmitter, and a photodetector for receiving the reflected optical signal. The optical transmitter can scatter the optical signal by stimulated Brillouin scattering.
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