Theory of thermal motion in electromagnetically induced transparency: Effects of diffusion, Doppler broadening, and Dicke and Ramsey narrowing

O. Firstenberg, M. Shuker, R. Pugatch, D. R. Fredkin, N. Davidson, A. Ron

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

We present a theoretical model for electromagnetically induced transparency (EIT) in vapor that incorporates atomic motion and velocity-changing collisions into the dynamics of the density-matrix distribution. Within a unified formalism, we demonstrate various motional effects, known for EIT in vapor: Doppler broadening of the absorption spectrum; Dicke narrowing and time-of-flight broadening of the transmission window for a finite-sized probe; diffusion of atomic coherence during storage of light and diffusion of the light-matter excitation during slow-light propagation; and Ramsey narrowing of the spectrum for a probe and pump beams of finite size.

Original languageEnglish
Article number043830
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume77
Issue number4
DOIs
StatePublished - 23 Apr 2008
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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