Method and apparatus for characterizing optical pulses using...

Details Method and apparatus for characterizing optical pulses using... Method and apparatus for characterizing optical pulses using...

2005-04-26

2005-04-26

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S278000

Reexamination Certificate

active

06885490

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.

REFERENCES:
patent: 6310575 (2001-10-01), Chabah et al.
patent: 6741763 (2004-05-01), Taylor
“Wigner Distribution Reconstruction From Two Projections”, T. Alieva, et al., Proceedings of the 11thIEEE Signal Processing Workshop on Statistical Signal Processing, pp. 325-328 (2001).

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