Manipulation of Exciton Dynamics and Annihilation in Single-Layer WSe2 using a Toroidal Dielectric Metasurface

Long Yuan,Jeeyoon Jeong,Kevin W. C. Kwock,Ting S. Luk,P. James Schuck,Emanuil Yanev,James Hone,Dmitry Yarotski,Igal Brener,Rohit P. Prasankumar

Manipulation of Exciton Dynamics and Annihilation in Single-Layer WSe2 using a Toroidal Dielectric Metasurface

2021

Long Yuan
Jeeyoon Jeong
Kevin W. C. Kwock
Ting S. Luk
P. James Schuck
Emanuil Yanev
James Hone
Dmitry Yarotski
Igal Brener
Rohit P. Prasankumar

We control the exciton dynamics and annihilation in single-layer WSe2 coupled with a dielectric metasurface by tailoring the spectral overlap of excitonic and toroidal resonances.

Keywords:

Resonance
Exciton
Physics
Dielectric
Blueshift
Toroid
Condensed matter physics
Spontaneous emission
Annihilation
Purcell effect

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