Light-induced enhanced torque on double-V-type quantum emitters via quantum interference in spontaneous emission

HR Hamedi, J Ruseckas, V Yannopapas… - Optics & Laser …, 2023 - Elsevier
We consider interaction of a pair of counterpropagating spatially inhomogeneous weak
vortex beams with a quantum emitter that has a double-V level scheme and closely situated …

Quantum interference near bismuth-chalcogenide microstructures

D Karaoulanis, E Paspalakis, V Yannopapas - JOSA B, 2021 - opg.optica.org
In this work, we show that the quantum interference between two spontaneous emission
channels can be greatly enhanced when a three-level V-type quantum emitter is placed …

Long-lifetime coherence in a quantum emitter induced by a metasurface

E Lassalle, P Lalanne, S Aljunid, P Genevet, B Stout… - Physical Review A, 2020 - APS
An anisotropic quantum vacuum (AQV) has been predicted to induce quantum interferences
during the spontaneous emission process in an atomic V transition [GS Agarwal, Phys. Rev …

Topological insulator nanoparticles for strong light–matter interaction in the terahertz regime

I Thanopulos, V Yannopapas, E Paspalakis - Optics Letters, 2022 - opg.optica.org
We study the spontaneous emission (SPEM) for a quantum emitter (QUEM) near a
topological insulator Bi_2Se_3 nanosphere. We calculate numerically the QUEM Purcell …

Highly Efficient Coherent Energy Transfer in Molecules near a Nanodisk

N Domenikou, I Thanopulos, V Karanikolas… - Physical Review …, 2023 - APS
We investigate the effect of coherence on the energy transfer between a donor and an
acceptor molecule located on opposite sides of a Mo S 2 nanodisk. We study the energy …

Bound state and non-Markovian dynamics of a quantum emitter around a surface plasmonic nanostructure

SS Wen, YG Huang, XY Wang, J Liu, Y Li, XE Quan… - Optics …, 2020 - opg.optica.org
A bound state between a quantum emitter (QE) and surface plasmon polaritons (SPPs) can
be formed, where the excited QE will not relax completely to its ground state and is partially …

Strong Coupling Dynamics of a Quantum Emitter near a Topological Insulator Nanoparticle

I Thanopulos, V Yannopapas, E Paspalakis - Nanomaterials, 2023 - mdpi.com
We study the spontaneous emission dynamics of a quantum emitter near a topological
insulator Bi 2 Se 3 spherical nanoparticle. Using the electromagnetic Green's tensor method …

Effective Modes for a Strongly Coupled Quantum Emitter-MoS Nanodisk System

ZS Deng, LY Li, CL You, YW Lu… - IEEE Photonics Journal, 2022 - ieeexplore.ieee.org
We present an effective modes theory for studying the strong light-matter interaction and
better understanding the non-Markovian dynamics of a quantum emitter (QE) coupled to two …

Strong coupling in a two-dimensional semiconductor/noble metal multilayer platform

V Karanikolas, I Thanopulos, E Paspalakis - Physical Review Research, 2020 - APS
We investigate the Purcell factor and emission spectrum of a two-level quantum emitter
placed near a planar multilayer nanostructure composed of an ultrathin dielectric or noble …

Quantum interference enhancement and fluorescence spectral linewidth narrowing of a four-level system via dielectric Mie resonances

Q Liu, L Shan, Y Jia, Y Ma, Q Gong, Y Gu - Physical Review A, 2023 - APS
Quantum interference (QI) among different spontaneous decay channels has led to many
important quantum optics applications. This effect can be strongly enhanced in an …