Exciton-polaritons in a 2D hybrid organic-inorganic perovskite microcavity with the presence of optical Stark effect
Kenneth Coker1,2, Chuyuan Zheng(郑楚媛)1,†, Joseph Roger Arhin1, Kwame Opuni-Boachie Obour Agyekum3, and Weili Zhang(张伟利)1
1 School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, Chinal; 2 Department of Electrical and Electronic Engineering, Ho Technical University, Ho 00233, Ghana; 3 Telecommunication Engineering Department, Kwame Nkrumah University of Science and Technology, Kumasi 00233, Ghana
Abstract This study investigates the properties of exciton-polaritons in a two-dimensional (2D) hybrid organic-inorganic perovskite microcavity in the presence of optical Stark effect. Through both steady and dynamic state analyses, strong coupling between excitons of perovskite and cavity photons is revealed, indicating the formation of polaritons in the perovskite microcavity. Besides, it is found that an external optical Stark pulse can induce energy shifts of excitons proportional to the pulse intensity, which modifies the dispersion characteristics of the polaritons.
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11974071 and 62375040) and the Sichuan Science and Technology Program (Grant Nos. 2022ZYD0108 and 2023JDRC0030).
Kenneth Coker, Chuyuan Zheng(郑楚媛), Joseph Roger Arhin, Kwame Opuni-Boachie Obour Agyekum, and Weili Zhang(张伟利) Exciton-polaritons in a 2D hybrid organic-inorganic perovskite microcavity with the presence of optical Stark effect 2024 Chin. Phys. B 33 037102
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