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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 7 — Jul. 1, 2001
  • pp: 1719–1725

Role of the instantaneous spectrum on pulse propagation in causal linear dielectrics

Justin Peatross, Michael Ware, and Scott A. Glasgow  »View Author Affiliations


JOSA A, Vol. 18, Issue 7, pp. 1719-1725 (2001)
http://dx.doi.org/10.1364/JOSAA.18.001719


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Abstract

A model-independent theorem demonstrates how a causal linear dielectric medium responds to the instantaneous spectrum, that is, the spectrum of the electric field pulse that is truncated at each new instant (as a given locale in the medium experiences the pulse). This process leads the medium to exchange energy with the front of a pulse differently than with the back as the instantaneous spectrum laps onto or off of nearby resonances. So-called superluminal pulse propagation in either absorbing or amplifying media as well as highly subluminal pulse propagation are understood qualitatively and quantitatively within this context.

© 2001 Optical Society of America

OCIS Codes
(260.2110) Physical optics : Electromagnetic optics
(260.2160) Physical optics : Energy transfer
(350.5500) Other areas of optics : Propagation

Citation
Justin Peatross, Michael Ware, and Scott A. Glasgow, "Role of the instantaneous spectrum on pulse propagation in causal linear dielectrics," J. Opt. Soc. Am. A 18, 1719-1725 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-7-1719


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