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Title: Surface plasmon enhanced strong exciton-photon coupling in hybrid inorganic-organic perovskite nanowires
Authors: Shang, Qiuyu
Zhang, Shuai
Liu, Zhen
Chen, Jie
Yang, Pengfei
Li, Chun
Li, Wei
Zhang, Yanfeng
Xiong, Qihua
Liu, Xinfeng
Zhang, Qing
Keywords: Science::Physics
Issue Date: 2018
Source: Shang, Q., Zhang, S., Liu, Z., Chen, J., Yang, P., Li, C., . . . Zhang, Q. (2018). Surface plasmon enhanced strong exciton-photon coupling in hybrid inorganic-organic perovskite nanowires. Nano Letters, 18(6), 3335-3343. doi:10.1021/acs.nanolett.7b04847
Journal: Nano Letters
Abstract: Manipulating strong light-matter interaction in semiconductor microcavities is crucial for developing high-performance exciton polariton devices with great potential in next-generation all-solid state quantum technologies. In this work, we report surface plasmon enhanced strong exciton-photon interaction in CH3NH3PbBr3 perovskite nanowires. Characteristic anticrossing behaviors, indicating a Rabi splitting energy up to ∼564 meV, are observed near exciton resonance in hybrid perovskite nanowire/SiO2/Ag cavity at room temperature. The exciton-photon coupling strength is enhanced by ∼35% on average, which is mainly attributed to surface plasmon induced localized excitation field redistribution. Further, systematic studies on SiO2 thickness and nanowire dimension dependence of exciton-photon interaction are presented. These results provide new avenues to achieve extremely high coupling strengths and push forward the development of electrically pumped and ultralow threshold small lasers.
ISSN: 1530-6984
DOI: 10.1021/acs.nanolett.7b04847
Rights: © 2018 American Chemical Society. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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