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dc.contributor.authorZhao, Jiaxinen_US
dc.contributor.authorSu, Ruien_US
dc.contributor.authorFieramosca, Antonioen_US
dc.contributor.authorZhao, Weijieen_US
dc.contributor.authorDu, Weien_US
dc.contributor.authorLiu, Xueen_US
dc.contributor.authorDiederichs, Caroleen_US
dc.contributor.authorSanvitto, Danieleen_US
dc.contributor.authorLiew, Timothy Chi Hinen_US
dc.contributor.authorXiong, Qihuaen_US
dc.identifier.citationZhao, 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.
dc.description.abstractExciton-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.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relation.ispartofNano Lettersen_US
dc.rightsThis 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
dc.titleUltralow threshold polariton condensate in a monolayer semiconductor microcavity at room temperatureen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.description.versionAccepted versionen_US
dc.subject.keywordsTransition-metal Dichalcogenidesen_US
dc.subject.keywordsStrong Couplingen_US
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