Optical method of transmitting digital data
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United States of America Patent
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Jul 6, 1999
Grant Date -
N/A
app pub date -
Feb 21, 1997
filing date -
Feb 23, 1996
priority date (Note) -
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Abstract
To increase the transmission length in an optical fiber, a method of transmitting digital data uses both power modulation and phase modulation of an optical carrier. To compensate the chromatic dispersion produced by the fiber, a phase-shift is applied to the wave within each time cell in which the optical power is low and that precedes or follows a cell in which the power is high. Applications include long-distance optical transmission using standard fibers.
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