Two-photon dynamics in coherent rydberg atomic ensemble

Bing He; A. V. Sharypov; Jiteng Sheng; Christoph Simon; Min Xiao

doi:10.1103/PhysRevLett.112.133606

Two-photon dynamics in coherent rydberg atomic ensemble

Bing He^*
, A. V. Sharypov
, Jiteng Sheng
, Christoph Simon
, Min Xiao

^*Corresponding author for this work

University of Calgary
University of Arkansas System
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences
Siberian Federal University
Nanjing University

Research output: Contribution to journal › Article › peer-review

106 Scopus citations

Abstract

We study the interaction of two photons in a Rydberg atomic ensemble under the condition of electromagnetically induced transparency, combining a semiclassical approach for pulse propagation and a complete quantum treatment for quantum state evolution. We find that the blockade regime is not suitable for implementing photon-photon cross-phase modulation due to pulse absorption and dispersion. However, approximately ideal cross-phase modulation can be realized based on relatively weak interactions, with counterpropagating and transversely separated pulses.

Original language	English
Article number	133606
Journal	Physical Review Letters
Volume	112
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.112.133606
State	Published - 4 Apr 2014
Externally published	Yes

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abstract = "We study the interaction of two photons in a Rydberg atomic ensemble under the condition of electromagnetically induced transparency, combining a semiclassical approach for pulse propagation and a complete quantum treatment for quantum state evolution. We find that the blockade regime is not suitable for implementing photon-photon cross-phase modulation due to pulse absorption and dispersion. However, approximately ideal cross-phase modulation can be realized based on relatively weak interactions, with counterpropagating and transversely separated pulses.",

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AU - Simon, Christoph

AU - Xiao, Min

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AB - We study the interaction of two photons in a Rydberg atomic ensemble under the condition of electromagnetically induced transparency, combining a semiclassical approach for pulse propagation and a complete quantum treatment for quantum state evolution. We find that the blockade regime is not suitable for implementing photon-photon cross-phase modulation due to pulse absorption and dispersion. However, approximately ideal cross-phase modulation can be realized based on relatively weak interactions, with counterpropagating and transversely separated pulses.

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DO - 10.1103/PhysRevLett.112.133606

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Two-photon dynamics in coherent rydberg atomic ensemble

Abstract

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