Tamm-plasmon exciton-polaritons in monolayer WS2 at room temperature

被引：0
|
作者：
Yang, Jinlong [1 ,2 ]
Ding, Huaiyi [3 ]
Zhao, Yilong [1 ]
She, Yongzhi [1 ]
Chen, Qiang [4 ]
Dai, Xiaotian [1 ]
Pan, Nan [4 ]
Wang, Xiaoping [1 ,4 ]
机构：
[1] Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China
[2] Univ Sci & Technol China, Ctr Micro & Nanoscale Res & Fabricat, Hefei 230026, Anhui, Peoples R China
[3] Yunnan Univ, Kunming 650504, Yunnan, Peoples R China
[4] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
来源：
OPTICAL MATERIALS EXPRESS | 2025年 / 15卷 / 02期
关键词：
D O I：
10.1364/OME.542995
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Exciton polaritons are bosonic quasi-particles that arise from the quantum superposition of photons and excitons. It can be utilized in the design of polaritonic devices such as low-threshold lasers and optical switches. However, exciton-polaritons are typically observed at low temperatures due to the small binding energy of excitons in traditional inorganic semiconductors. Here, using Tamm microcavities, demonstrate a sandwich-structured WS2-based device that realizes exciton polaritons at room-temperature. A clear anti-crossing is observed in both angular-resolved reflectivity and photoluminescence (PL) spectra with a pronounced Rabi splitting of 39.2 meV. The realization of room temperature exciton polaritons is conducive to the practical device applications of exciton-polaritons. (c) 2025 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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收藏
页码：240 / 246
页数：7
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