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Chinese Science Bulletin

, Volume 57, Issue 16, pp 1893–1902 | Cite as

Quantum storage of optical signals and coherent manipulation of quantum states based on electromagnetically induced transparency

  • Hai WangEmail author
  • ChangDe Xie
  • KunChi Peng
Open Access
Review Special Topic Quantum Information

Abstract

Electromagnetically induced transparency (EIT) techniques are important tools for the storage of the quantum states of light fields in atomic ensembles and for enhancement of the interaction between photons. In this paper, we briefly summarize the recent experimental studies conducted by our group on enhanced cross-phase modulation based on double EIT effects, the quantum interference of stored dual-channel spin-wave excitations and the coherent manipulation of the spin wave vector for the polarization of photons in a single tripod atomic system. The work presented here has potential application in the developing field of quantum information processing.

Keywords

electromagnetically induced transparency (EIT) atomic ensembles quantum storage enhanced cross-phase modulation coherent manipulation of the spin wave 

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Copyright information

© The Author(s) 2012

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Authors and Affiliations

  1. 1.State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-ElectronicsShanxi UniversityTaiyuanChina

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