Exciton-polariton in WS_2 microcavity in the presence of the optical Stark effect

作     者：Mahnoor Shahzadi Weili Zhang M.T.Khan Mahnoor Shahzadi;张伟利;M.T.Khan

作者机构：School of Information and Communication Engineering University of Electronic Science and Technology of China Electrical Engineering Department University of Lahore 

出 版 物：《Chinese Optics Letters》 (中国光学快报（英文版）)

年 卷 期：2019年第17卷第2期

页      面：70-73页

核心收录：

学科分类：070207[理学-光学] 07[理学] 0702[理学-物理学] 

基　　金：supported by the National Natural Science Foundation of China(NSFC)(Nos.61811530062and 61575040) the Sichuan Science and Technology Program(No.2018HH0148) 

主　　题：Exciton-polariton WS2 microcavity 

摘      要：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.