Metasurface integrated monolayer exciton polariton

Yueyang Chen; Shengnan Miao; Tianmeng Wang; Ding Zhong; Abhi Saxena; Colin Chow; James Whitehead; Dario Gerace; Xiaodong Xu; Sufei Shi; Arka Majumdar

doi:10.1117/12.2578031

5 March 2021 Metasurface integrated monolayer exciton polariton

Yueyang Chen, Shengnan Miao, Tianmeng Wang, Ding Zhong, Abhi Saxena, Colin Chow, James Whitehead, Dario Gerace, Xiaodong Xu, Sufei Shi, Arka Majumdar

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Proceedings Volume 11688, 2D Photonic Materials and Devices IV; 116880J (2021) https://doi.org/10.1117/12.2578031
Event: SPIE OPTO, 2021, Online Only

Abstract

Here, we demonstrate a 2D exciton-polariton system by strongly coupling atomically thin tungsten diselenide (WSe2) monolayer to a silicon nitride (SiN) metasurface. Via energy-momentum spectroscopy of the WSe2-metasurface system, we observed the characteristic anti-crossing of the polariton dispersion both in the reflection and photoluminescence spectrum. A Rabi splitting of 18 meV was observed which matched well with our numerical simulation. Moreover, we showed that the Rabi splitting, the polariton dispersion and the far-field emission pattern could be tailored with subwavelength-scale engineering of the optical meta-atoms.

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Yueyang Chen, Shengnan Miao, Tianmeng Wang, Ding Zhong, Abhi Saxena, Colin Chow, James Whitehead, Dario Gerace, Xiaodong Xu, Sufei Shi, and Arka Majumdar "Metasurface integrated monolayer exciton polariton", Proc. SPIE 11688, 2D Photonic Materials and Devices IV, 116880J (5 March 2021); https://doi.org/10.1117/12.2578031

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