Modification of the Emission Spectrum of a Quantum Emitter in the Vicinity of Bismuth Chalcogenide Microparticles

Author:

Papadaki Margarita-Georgia1,Kyvelos Nikolaos12ORCID,Paspalakis Emmanuel3ORCID,Yannopapas Vassilios1ORCID

Affiliation:

1. Department of Physics, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, GR157 80 Athens, Greece

2. POLIMA—Center for Polariton-Driven Light–Matter Interactions, University of Southern Denmark, Campusvej 55, DK5230 Odense, Denmark

3. Department of Materials Science, University of Patras, GR265 04 Patras, Greece

Abstract

We examine theoretically the effect of bismuth chalcogenide microparticles on the spontaneous emission of a double-V-type quantum emitter in free space. We have found, in particular, that the presence of a single microparticle causes a high degree of quantum interference in the way the quantum emitter releases energy in the process of spontaneous emission. This, in turn, leads to significant changes in the spectrum of the emitted energy. The quantum emitter’s initial state is crucial to how the energy is released in the presence of the microparticle. This observation has potential implications for quantum computing, particularly for reading the state of atomic qubits. When two microparticles are present, the effect is more pronounced, particularly when the quantum emitter is located in the gap between the particles.

Funder

Danish National Research Foundation

Publisher

MDPI AG

Subject

Radiology, Nuclear Medicine and imaging,Instrumentation,Atomic and Molecular Physics, and Optics

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