Cited by 90Strong Light-Matter InteractionsSemiconductor Quantum Structures and DevicesPlasmonic and Surface Plasmon Research

Room Temperature Exciton–Polariton Bose–Einstein Condensation in Organic Single-Crystal Microribbon Cavities

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Tang, Ji, Zhang, Jian, Lv, Yuanchao, Wang, Hong, Xu, Fa Feng, Zhang, Chuang, Sun, Liaoxin, Yao, Jiannian +1 more·2021·Nature Communications

Abstract

Exciton-polariton Bose-Einstein condensation (EP BEC) is of crucial importance for the development of coherent light sources and optical logic elements, as it creates a new state of matter with coherent nature and nonlinear behaviors. The demand for room temperature EP BEC has driven the development of organic polaritons because of the large binding energies of Frenkel excitons in organic materials. However, the reliance on external high-finesse microcavities for organic EP BEC results in poor compactness and integrability of devices, which restricts their practical applications in on-chip integration. Here, we demonstrate room temperature EP BEC in organic single-crystal microribbon natural cavities. The regularly shaped microribbons serve as waveguide Fabry-Pérot microcavities, in which efficient strong coupling between Frenkel excitons and photons leads to the generation of EPs at room temperature. The large exciton-photon coupling strength due to high exciton densities facilitates the achievement of EP BEC. Taking advantages of interactions in EP condensates and dimension confinement effects, we demonstrate the realization of controllable output of coherent light from the microribbons. We hope that the results will provide a useful enlightenment for using organic single crystals to construct miniaturized polaritonic devices.

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  • Bose-Einstein condensation and polariton lasing are possible in microcavities, even at room temperature.

    “The possibilities of achieving Bose-Einstein condensation (BEC) [264-267] and polariton lasing [137,268-270], even at room temperature, are some of the current topics in the field of microcavity research.”

    From Metal Oxide Thin Films for Advanced Photonic Applications (2026) · cites this paper as [265]

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Authors
Tang, J., Zhang, J., Lv, Y., Wang, H., Xu, F. F., Zhang, C., Sun, L., Yao, J., & Zhao, Y. S.
Affiliations
Chinese Academy of Sciences (CN)
Corresponding author
Zhao, Yong Sheng
Venue
Nature Communications
Published
2021-06-01
Volume
12
Issue
1
Pages
3265-3265
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3176979672
Cited by
90
References
61
Citations by year
2026: 11 · 2025: 19 · 2024: 15 · 2023: 27 · 2022: 11 · 2021: 7
FWCI
6.55
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Ministry of Science and Technology of the People’s Republic of China (2017YFA0204502)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Strong Light-Matter Interactions
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Semiconductor Quantum Structures and Devices
  • Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
Keywords
natural cavities, Fabry-Perot microcavity, Frenkel excitons, coherent emission, organic photonics

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