Chiral topological add–drop filter for integrated quantum photonic circuits

MJ Mehrabad, AP Foster, NJ Martin, R Dost, E Clarke… - Optica, 2023 - opg.optica.org
The integration of quantum emitters within topological nanophotonic devices enables the
control of light–matter interactions at the single photon level. Here, we experimentally realize …

Dicke superradiance requires interactions beyond nearest neighbors

WK Mok, A Asenjo-Garcia, TC Sum, LC Kwek - Physical Review Letters, 2023 - APS
Photon-mediated interactions within an excited ensemble of emitters can result in Dicke
superradiance, where the emission rate is greatly enhanced, manifesting as a high-intensity …

Quantum entanglement creation based on quantum scattering in one-dimensional waveguides

GZ Song, MJ Tao, J Qiu, HR Wei - Physical Review A, 2022 - APS
We propose two heralded schemes for generating multipartite Greenberger-Horne-Zeilinger
(GHZ) and W states. They are realized by photon scattering in one-dimensional waveguides …

Quantum networks assisted by dark modes in optomagnonic systems

C Zhao, Z Yang, D Wang, Y Yan, C Li, Z Wang, L Zhou - Physical Review A, 2023 - APS
In this paper, we present a scheme to construct a quantum network based on optomagnonic
systems where the photon-magnon coupling systems are connected by a waveguide. We …

Dressed bound states at chiral exceptional points

Y Lu, H Tan, Z Liao - Physical Review A, 2023 - APS
Atom-photon dressed states are a basic concept of quantum optics. Here, we demonstrate
that the non-Hermiticity of an open cavity can be harnessed to form the dressed bound …

Chirality-assisted enhancement of tripartite entanglement in waveguide QED

L Patrick, U Arshad, D Guo, I Mirza - Scientific Reports, 2024 - nature.com
We study the generation and control of genuine tripartite entanglement among quantum
emitters (QEs) that are side-coupled to one-dimensional spin-momentum locked (or chiral) …

Microresonators enhancing long-distance dynamical entanglement generation in chiral quantum networks

WK Mok, JB You, LC Kwek, D Aghamalyan - Physical Review A, 2020 - APS
Chiral quantum networks provide a promising route for realizing quantum information
processing and quantum communication. Here we describe how two distant quantum nodes …

Exponentially faster preparation of quantum dimers via driven-dissipative stabilization

KH Lim, WK Mok, JB You, JF Kong… - Physical Review …, 2024 - APS
We propose a rapid, high-fidelity, and noise-resistant scheme to generate many-body
entanglement between multiple qubits stabilized by dissipation into a 1D bath. Using a …

Efficient entanglement between two long-distance quantum emitters mediated by dark-gap-plasmon waveguides

H Qiu, Y You, XH Guan, XJ Du, J He, ZJ Yang - Physical Review B, 2024 - APS
We theoretically investigate the entanglement between two well-separated quantum emitters
(QEs) mediated by dark-gap-plasmon waveguides. Both the plasmon-QE coupling strength …

Analytical approach to higher-order correlation functions in U (1) symmetric systems

ZG Lu, C Shang, Y Wu, XY Lü - Physical Review A, 2023 - APS
We derive a compact analytical solution of the n th-order equal-time correlation functions by
using scattering matrix (S matrix) under a weak coherent state input. Our solution applies to …