Transparent anomalous dispersion and superluminal light-pulse propagation at a negative group velocity

A. Dogariu, A. Kuzmich, L. J. Wang

Research output: Contribution to journalArticlepeer-review

283 Scopus citations

Abstract

Occurrence of transparent linear anomalous dispersion in presence of gain doublet was shown theoretically and experimentally. A superluminal light-pulse propagation was observed even at negative group velocity through transparent medium. A negative transit time was experimentally observed resulting in the peak of the light pulse to exit the medium even before entering it.

Original languageEnglish (US)
Article number0538061
Pages (from-to)538061-5380612
Number of pages4842552
JournalPhysical Review A. Atomic, Molecular, and Optical Physics
Volume63
Issue number5
StatePublished - May 2001
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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