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Two-way transparency in the light-matter interaction: Optical precursors with electromagnetically induced transparency

Heejeong Jeong and Shengwang Du
Phys. Rev. A 79, 011802(R) – Published 8 January 2009

Abstract

We theoretically study classical step-modulated pulse propagation in an optically thick medium with electromagnetically induced transparency (EIT) using a fast Fourier transform and a proposed hybrid-asymptotic analysis. The 100% transmitted leading edge traveling at c consists of Sommerfeld-Brillouin precursors. The main signal, falling inside of the narrow EIT window, experiences a steep dispersion and slow group velocity. We suggest active control of the precursors and main signal separately by adjusting the parameters of the medium and incident pulse.

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  • Received 31 August 2008

DOI:https://doi.org/10.1103/PhysRevA.79.011802

©2009 American Physical Society

Authors & Affiliations

Heejeong Jeong1,* and Shengwang Du2,†

  • 1Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, USA
  • 2Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China

  • *jhj413@gmail.com
  • dusw@ust.hk

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Vol. 79, Iss. 1 — January 2009

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