Near dipole-dipole effects on the propagation of few-cycle pulse in a dense two-level medium

Keyu Xia*, Shangqing Gong, Chengpu Liu, Xiaohong Song, Yueping Niu

*Corresponding author for this work

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The propagation behaviors, which include the carrier-envelope phase, the area evolution and the solitary pulse number of few-cycle pulses in a dense two-level medium, are investigated based on full-wave Maxwell-Bloch equations by taking Lorentz local field correction (LFC) into account. Several novel features are found: The difference of the carrier-envelope phase between the cases with and without LFC can go up to π at some location; although the area of ultrashort solitary pulses is lager than 2π, the area of the effective Rabi frequency, which equals to that the Rabi frequency pluses the product of the strength of the near dipole-dipole (NDD) interaction and the polarization, is consistent with the standard area theorem and keeps 2π; the large area pulse penetrating into the medium produces several solitary pulses as usual, but the number of solitary pulses changes at certain condition.

Original languageEnglish
Pages (from-to)5913-5924
Number of pages12
JournalOptics Express
Volume13
Issue number16
DOIs
Publication statusPublished - 8 Aug 2005

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