2023
DOI: 10.3390/nano13202787
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Strong Coupling Dynamics of a Quantum Emitter near a Topological Insulator Nanoparticle

Ioannis Thanopulos,
Vassilios Yannopapas,
Emmanuel Paspalakis

Abstract: We study the spontaneous emission dynamics of a quantum emitter near a topological insulator Bi2Se3 spherical nanoparticle. Using the electromagnetic Green’s tensor method, we find exceptional Purcell factors of the quantum emitter up to 1010 at distances between the emitter and the nanoparticle as large as half the nanoparticle’s radius in the terahertz regime. We study the spontaneous emission evolution of a quantum emitter for various transition frequencies in the terahertz and various vacuum decay rates. F… Show more

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