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  • Received: Dec. 12, 2018

    Accepted: Jan. 10, 2019

    Posted: Feb. 14, 2019

    Published Online: Feb. 14, 2019

    The Author Email: Weili Zhang (wl_zhang@uestc.edu.cn)

    DOI: 10.3788/COL201917.020014

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    Mahnoor Shahzadi, Weili Zhang, M. T. Khan. Exciton-polariton in WS2 microcavity in the presence of the optical Stark effect[J]. Chinese Optics Letters, 2019, 17(2): 020014

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Chinese Optics Letters, Vol. 17, Issue 2, 020014 (2019)

Exciton-polariton in WS2 microcavity in the presence of the optical Stark effect

Mahnoor Shahzadi1, Weili Zhang1,*, and M. T. Khan2

Author Affiliations

  • 1School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
  • 2Electrical Engineering Department, University of Lahore, Islamabad Campus 54000, Pakistan

Abstract

Exciton-polaritons offer an exceptional platform for future photoelectronic and quantum information applications. The influence of the optical Stark effect on exciton-polaritons in a microcavity embodied with a monolayer WS2 is studied. A polarization dependent model is proposed to study the change of strongly coupled excitons and photons in a WS2 microcavity. It is revealed through both steady and dynamical states analysis that an outside optical Stark pulse can effectively vary the polariton characteristics, such as dispersion, exciton, and photon fractions, through blue shifting of excitonic resonance. Thus, the analysis and control of exciton-polaritons in a WS2 microcavity via a spin-selective trigger could be achievable.

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