Method and apparatus for characterizing optical pulses using reduced complexity chronocyclic tomography
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United States of America Patent
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Apr 26, 2005
Grant Date -
Nov 4, 2004
app pub date -
May 1, 2003
filing date -
May 1, 2003
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Abstract
A method and apparatus for characterizing an optical pulse using a reduced complexity chronocyclic tomography is described. In one example, an optical pulse train is modulated using quadratic temporal phase modulation. A first spectral intensity of the optical pulse train is measured after a quadratic temporal phase modulation having a first amplitude. A second spectral intensity of the train of optical pulses is then measured in response to the quadratic temporal phase modulation having a second amplitude. At least one of the group delay and the spectral intensity associated with the train of optical pulses is computed using the first spectral intensity and the second spectral intensity.
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