Flat-topped chirp induced by optical filter edge
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United States of America Patent
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Jul 29, 2008
Grant Date -
Feb 9, 2006
app pub date -
Mar 18, 2005
filing date -
Nov 6, 2002
priority date (Note) -
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Abstract
A fiber optic communication system comprising: an optical signal source adapted to produce a binary amplitude modulated signal; and an optical spectrum reshaper adapted to receive the amplitude modulated signal and to change the instantaneous frequency of the signal at its 0-to-1 and 1-to-0 transitions so as to change the instantaneous frequency of the signal so that it is substantially constant across the 1 pulse. A method for transmitting a signal through a fiber, comprising: generating a second signal from the signal, wherein the second signal comprises a intensity profile and an adiabatic frequency profile; generating a third signal from the second signal, wherein the third signal comprises a intensity profile and a flat-topped frequency profile.
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