Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite
Two-dimensional (2D) organic–inorganic perovskite semiconductors with natural multiquantum well structures and confined 2D excitons are intriguing for the study of strong exciton–photon coupling, due to their large exciton binding energy and oscillation strength. This strong coupling leads to a form...
| Main Authors: | , , , , , , , , |
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| Format: | Journal Article |
| Language: | English |
| Published: |
2020
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| Online Access: | https://hdl.handle.net/10356/141657 |
| _version_ | 1826119919876440064 |
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| author | Wang, Jun Su, Rui Xing, Jun Bao, Di Diederichs, Carole Liu, Sheng Liew, Timothy Chi Hin Chen, Zhanghai Xiong, Qihua |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Wang, Jun Su, Rui Xing, Jun Bao, Di Diederichs, Carole Liu, Sheng Liew, Timothy Chi Hin Chen, Zhanghai Xiong, Qihua |
| author_sort | Wang, Jun |
| collection | NTU |
| description | Two-dimensional (2D) organic–inorganic perovskite semiconductors with natural multiquantum well structures and confined 2D excitons are intriguing for the study of strong exciton–photon coupling, due to their large exciton binding energy and oscillation strength. This strong coupling leads to a formation of the half-light half-matter bosonic quasiparticle called exciton–polariton, consisting of a linear superposition state between photonic and excitonic states. Here, we demonstrate room temperature strong coupling in exfoliated wavelength-tunable 2D organic–inorganic perovskite semiconductors embedded into a planar microcavity, exhibiting large energetic splitting-to-line width ratios (>34.2). Angular-dependent spectroscopy measurements reveal that hybridized polariton states act as an ultrafast and reversible energy oscillation, involving 2D perovskite exciton, cavity modes (CM), and Bragg modes of the distributed Bragg reflector. Meanwhile, sizable hybrid particles dominantly couple to the measured optical field through the CMs. Our findings advocate a considerable promise of 2D organic–inorganic perovskite to explore fundamental quantum phenomena such as Bose–Einstein condensation, superfluidity, and exciton–polariton networks. |
| first_indexed | 2024-10-01T05:08:00Z |
| format | Journal Article |
| id | ntu-10356/141657 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T05:08:00Z |
| publishDate | 2020 |
| record_format | dspace |
| spelling | ntu-10356/1416572023-02-28T20:06:09Z Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite Wang, Jun Su, Rui Xing, Jun Bao, Di Diederichs, Carole Liu, Sheng Liew, Timothy Chi Hin Chen, Zhanghai Xiong, Qihua School of Electrical and Electronic Engineering School of Physical and Mathematical Sciences MajuLab CNRS-UCA-SU-NUS-NTU International Joint Research Unit Nanoelectronics Center of Excellence Science::Physics::Optics and light Two-dimensional Perovskite Exciton−polariton Two-dimensional (2D) organic–inorganic perovskite semiconductors with natural multiquantum well structures and confined 2D excitons are intriguing for the study of strong exciton–photon coupling, due to their large exciton binding energy and oscillation strength. This strong coupling leads to a formation of the half-light half-matter bosonic quasiparticle called exciton–polariton, consisting of a linear superposition state between photonic and excitonic states. Here, we demonstrate room temperature strong coupling in exfoliated wavelength-tunable 2D organic–inorganic perovskite semiconductors embedded into a planar microcavity, exhibiting large energetic splitting-to-line width ratios (>34.2). Angular-dependent spectroscopy measurements reveal that hybridized polariton states act as an ultrafast and reversible energy oscillation, involving 2D perovskite exciton, cavity modes (CM), and Bragg modes of the distributed Bragg reflector. Meanwhile, sizable hybrid particles dominantly couple to the measured optical field through the CMs. Our findings advocate a considerable promise of 2D organic–inorganic perovskite to explore fundamental quantum phenomena such as Bose–Einstein condensation, superfluidity, and exciton–polariton networks. 2020-06-10T01:48:50Z 2020-06-10T01:48:50Z 2018 Journal Article Wang, J., Su, R., Xing, J., Bao, D., Diederichs, C., Liu, S., . . . Xiong, Q. (2018). Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite. ACS Nano, 12(8), 8382-8389. doi:10.1021/acsnano.8b03737 1936-0851 https://hdl.handle.net/10356/141657 10.1021/acsnano.8b03737 30089200 2-s2.0-85052314466 8 12 8382 8389 en ACS Nano 10.21979/N9/SF6HW2 This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Nano, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acsnano.8b03737 application/pdf |
| spellingShingle | Science::Physics::Optics and light Two-dimensional Perovskite Exciton−polariton Wang, Jun Su, Rui Xing, Jun Bao, Di Diederichs, Carole Liu, Sheng Liew, Timothy Chi Hin Chen, Zhanghai Xiong, Qihua Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite |
| title | Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite |
| title_full | Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite |
| title_fullStr | Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite |
| title_full_unstemmed | Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite |
| title_short | Room temperature coherently coupled exciton-polaritons in two-dimensional organic-inorganic perovskite |
| title_sort | room temperature coherently coupled exciton polaritons in two dimensional organic inorganic perovskite |
| topic | Science::Physics::Optics and light Two-dimensional Perovskite Exciton−polariton |
| url | https://hdl.handle.net/10356/141657 |
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