Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature
Exciton-polaritons, hybrid light–matter bosonic quasiparticles, can condense into a single quantum state, i.e., forming a polariton Bose–Einstein condensate (BEC), which represents a crucial step for the development of nanophotonic technology. Recently, atomically thin transition-metal dichalcogenid...
| Main Authors: | , , , , , , , , , |
|---|---|
| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2021
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/147691 |
| _version_ | 1811685561523503104 |
|---|---|
| author | Zhao, Jiaxin Su, Rui Fieramosca, Antonio Zhao, Weijie Du, Wei Liu, Xue Diederichs, Carole Sanvitto, Daniele Liew, Timothy Chi Hin Xiong, Qihua |
| author2 | School of Physical and Mathematical Sciences |
| author_facet | School of Physical and Mathematical Sciences Zhao, Jiaxin Su, Rui Fieramosca, Antonio Zhao, Weijie Du, Wei Liu, Xue Diederichs, Carole Sanvitto, Daniele Liew, Timothy Chi Hin Xiong, Qihua |
| author_sort | Zhao, Jiaxin |
| collection | NTU |
| description | Exciton-polaritons, hybrid light–matter bosonic quasiparticles, can condense into a single quantum state, i.e., forming a polariton Bose–Einstein condensate (BEC), which represents a crucial step for the development of nanophotonic technology. Recently, atomically thin transition-metal dichalcogenides (TMDs) emerged as promising candidates for novel polaritonic devices. Although the formation of robust valley-polaritons has been realized up to room temperature, the demonstration of polariton lasing remains elusive. Herein, we report for the first time the realization of this important milestone in a TMD microcavity at room temperature. Continuous wave pumped polariton lasing is evidenced by the macroscopic occupation of the ground state, which undergoes a nonlinear increase of the emission along with the emergence of temporal coherence, the presence of an exciton fraction-controlled threshold and the buildup of linear polarization. Our work presents a critically important step toward exploiting nonlinear polariton–polariton interactions, as well as offering a new platform for thresholdless lasing. |
| first_indexed | 2024-10-01T04:46:29Z |
| format | Journal Article |
| id | ntu-10356/147691 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:46:29Z |
| publishDate | 2021 |
| record_format | dspace |
| spelling | ntu-10356/1476912023-02-28T19:58:16Z Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature Zhao, Jiaxin Su, Rui Fieramosca, Antonio Zhao, Weijie Du, Wei Liu, Xue Diederichs, Carole Sanvitto, Daniele Liew, Timothy Chi Hin Xiong, Qihua School of Physical and Mathematical Sciences Science::Physics Transition-metal Dichalcogenides Strong Coupling Exciton-polaritons, hybrid light–matter bosonic quasiparticles, can condense into a single quantum state, i.e., forming a polariton Bose–Einstein condensate (BEC), which represents a crucial step for the development of nanophotonic technology. Recently, atomically thin transition-metal dichalcogenides (TMDs) emerged as promising candidates for novel polaritonic devices. Although the formation of robust valley-polaritons has been realized up to room temperature, the demonstration of polariton lasing remains elusive. Herein, we report for the first time the realization of this important milestone in a TMD microcavity at room temperature. Continuous wave pumped polariton lasing is evidenced by the macroscopic occupation of the ground state, which undergoes a nonlinear increase of the emission along with the emergence of temporal coherence, the presence of an exciton fraction-controlled threshold and the buildup of linear polarization. Our work presents a critically important step toward exploiting nonlinear polariton–polariton interactions, as well as offering a new platform for thresholdless lasing. Ministry of Education (MOE) National Research Foundation (NRF) Accepted version 2021-04-19T08:44:31Z 2021-04-19T08:44:31Z 2021 Journal Article Zhao, J., Su, R., Fieramosca, A., Zhao, W., Du, W., Liu, X., Diederichs, C., Sanvitto, D., Liew, T. C. H. & Xiong, Q. (2021). Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature. Nano Letters, 21(7), 3331-3339. https://dx.doi.org/10.1021/acs.nanolett.1c01162 1530-6992 https://hdl.handle.net/10356/147691 10.1021/acs.nanolett.1c01162 7 21 3331 3339 en Nano Letters This document is the Accepted Manuscript version of a Published Work that appeared in final form in Nano Letters, 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/acs.nanolett.1c01162 application/pdf |
| spellingShingle | Science::Physics Transition-metal Dichalcogenides Strong Coupling Zhao, Jiaxin Su, Rui Fieramosca, Antonio Zhao, Weijie Du, Wei Liu, Xue Diederichs, Carole Sanvitto, Daniele Liew, Timothy Chi Hin Xiong, Qihua Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature |
| title | Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature |
| title_full | Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature |
| title_fullStr | Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature |
| title_full_unstemmed | Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature |
| title_short | Ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature |
| title_sort | ultralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperature |
| topic | Science::Physics Transition-metal Dichalcogenides Strong Coupling |
| url | https://hdl.handle.net/10356/147691 |
| work_keys_str_mv | AT zhaojiaxin ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT surui ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT fieramoscaantonio ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT zhaoweijie ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT duwei ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT liuxue ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT diederichscarole ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT sanvittodaniele ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT liewtimothychihin ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature AT xiongqihua ultralowthresholdpolaritoncondensateinamonolayersemiconductormicrocavityatroomtemperature |