System and method for precise, accurate and stable optical timing information definition including internally self-consistent substantially jitter free timing reference
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United States of America Patent
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Aug 11, 2015
Grant Date -
Jul 24, 2014
app pub date -
Jan 18, 2013
filing date -
Jan 18, 2013
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Abstract
An optoelectronic timing system includes an optical timing compensation system in which optical pulses from a semiconductor laser are advanced or retarded based upon an expected arrival time. The pulses are directed into a number of time-quantifiable optical paths. Optical switches may direct a pulse into an advancing path or a retarding path based on an arrival time of a previous pulse. The optical compensation system may be incorporated into a precision timing device in which multiple optical paths are arranged so that a travel time of a path is one order of magnitude different than a travel time of an adjacent path. Timing signals can be developed by coupling an optical detector to each of the multiple optical paths.
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