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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 7 — Jul. 1, 2007
  • pp: 1441–1450

Coherence theory of noise in ultrashort-pulse trains

Víctor Torres-Company, Hanna Lajunen, and Ari T. Friberg  »View Author Affiliations

JOSA B, Vol. 24, Issue 7, pp. 1441-1450 (2007)

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We study the influence of noise in ultrashort-pulse trains in terms of the concepts of optical coherence theory. Specifically, we consider the effects of temporal partial coherence and the timing jitter, including their possible statistical dependence. Analytical expressions for the optical power spectrum, average intensity, mutual coherence function, and the cross-spectral density function of different partially coherent pulse trains affected by stationary noise are given. We show that the new frequencies appearing due to the presence of noise are always fully uncorrelated, unless they are separated by an integral multiple of the repetition rate of the pulses in the train. We also find that spikes appear in the optical power spectrum when the noise and timing jitter are correlated.

© 2007 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(030.6600) Coherence and statistical optics : Statistical optics
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.5550) Ultrafast optics : Pulses

ToC Category:
Coherence and Statistical Optics

Original Manuscript: September 27, 2006
Revised Manuscript: February 22, 2007
Manuscript Accepted: April 4, 2007
Published: June 15, 2007

Víctor Torres-Company, Hanna Lajunen, and Ari T. Friberg, "Coherence theory of noise in ultrashort-pulse trains," J. Opt. Soc. Am. B 24, 1441-1450 (2007)

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