PT-symmetric optical potentials in a coherent atomic medium

Jiteng Sheng; Mohammad Ali Miri; Demetrios N. Christodoulides; Min Xiao

doi:10.1103/PhysRevA.88.041803

PT-symmetric optical potentials in a coherent atomic medium

Jiteng Sheng^*
, Mohammad Ali Miri
, Demetrios N. Christodoulides
, Min Xiao

^*Corresponding author for this work

University of Arkansas System
University of Central Florida
Nanjing University

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

107 Scopus citations

Abstract

We propose that a coherently prepared four-level atomic medium can provide a versatile platform for realizing parity-time (PT) symmetric optical potentials. Different types of PT-symmetric potentials are proposed by appropriately tuning the exciting optical fields and the pertinent atomic parameters. Such reconfigurable and controllable systems may open up new avenues in observing PT-related phenomena with appreciable gain-loss contrast in coherent atomic media.

Original language	English
Article number	041803
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	88
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevA.88.041803
State	Published - 14 Oct 2013
Externally published	Yes

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10.1103/PhysRevA.88.041803

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abstract = "We propose that a coherently prepared four-level atomic medium can provide a versatile platform for realizing parity-time (PT) symmetric optical potentials. Different types of PT-symmetric potentials are proposed by appropriately tuning the exciting optical fields and the pertinent atomic parameters. Such reconfigurable and controllable systems may open up new avenues in observing PT-related phenomena with appreciable gain-loss contrast in coherent atomic media.",

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AU - Christodoulides, Demetrios N.

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Y1 - 2013/10/14

N2 - We propose that a coherently prepared four-level atomic medium can provide a versatile platform for realizing parity-time (PT) symmetric optical potentials. Different types of PT-symmetric potentials are proposed by appropriately tuning the exciting optical fields and the pertinent atomic parameters. Such reconfigurable and controllable systems may open up new avenues in observing PT-related phenomena with appreciable gain-loss contrast in coherent atomic media.

AB - We propose that a coherently prepared four-level atomic medium can provide a versatile platform for realizing parity-time (PT) symmetric optical potentials. Different types of PT-symmetric potentials are proposed by appropriately tuning the exciting optical fields and the pertinent atomic parameters. Such reconfigurable and controllable systems may open up new avenues in observing PT-related phenomena with appreciable gain-loss contrast in coherent atomic media.

UR - https://www.scopus.com/pages/publications/84886872712

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DO - 10.1103/PhysRevA.88.041803

M3 - 文章

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JO - Physical Review A - Atomic, Molecular, and Optical Physics

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PT-symmetric optical potentials in a coherent atomic medium

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