Single-photon scattering in a giant-molecule waveguide-QED system

XL Yin, YH Liu, JF Huang, JQ Liao - Physical Review A, 2022 - APS
We study the coherent single-photon scattering in a one-dimensional waveguide coupled to
a giant artificial molecule consisting of two coupled giant atoms. Since each giant atom …

Single-photon frequency conversion via a giant -type atom

L Du, Y Li - Physical Review A, 2021 - APS
We study single-photon scattering via a giant Λ-type atom, where both atomic transitions are
coupled with the modes of a single waveguide at two separated points. The giant-atom …

Perfect transfer of enhanced entanglement and asymmetric steering in a cavity-magnomechanical system

YT Chen, L Du, Y Zhang, JH Wu - Physical Review A, 2021 - APS
We propose a hybrid cavity magnomechanical system to realize and transfer the bipartite
entanglements and Einstein-Podolsky-Rosen (EPR) steerings between magnons, photons …

Single-photon nonreciprocal excitation transfer with non-Markovian retarded effects

L Du, MR Cai, JH Wu, Z Wang, Y Li - Physical Review A, 2021 - APS
We study at the single-photon level the nonreciprocal excitation transfer between emitters
coupled with a common waveguide. Non-Markovian retarded effects are taken into account …

Non-Markovian dynamics with a giant atom coupled to a semi-infinite photonic waveguide

ZY Li, HZ Shen - Physical Review A, 2024 - APS
We study the non-Markovian dynamics of a two-level giant atom interacting with a one-
dimensional semi-infinite waveguide through multiple coupling points, where a perfect …

[HTML][HTML] Distant entanglement generation and controllable information transfer via magnon–waveguide systems

JY Liu, JW **, XM Zhang, ZG Zheng, HY Liu, Y Ming… - Results in Physics, 2023 - Elsevier
The generation of entanglement and information distribution among macroscopic systems
which are spatially separated are of paramount importance in the realm of quantum …

Parametrically amplified nonreciprocal magnon laser in a hybrid cavity optomagnonical system

XW He, ZY Wang, X Han, S Zhang, HF Wang - Optics Express, 2023 - opg.optica.org
We propose a scheme to achieve a tunable nonreciprocal magnon laser with parametric
amplification in a hybrid cavity optomagnonical system, which consists a yttrium iron garnet …

Enhanced sensing of optomechanically induced nonlinearity by linewidth suppression and optical bistability in cavity-waveguide systems

CW Liu, Y Liu, L Du, WJ Su, H Wu, Y Li - Optics Express, 2023 - opg.optica.org
We study the enhanced sensing of optomechanically induced nonlinearity (OMIN) in a cavity-
waveguide coupled system. The Hamiltonian of the system is anti-PT symmetric, with the two …

[HTML][HTML] Quantum dynamics of two photons in the coherent feedback system composing of two separated resonators coupling to a waveguide

G Cai, XS Ma, H Shen, MT Cheng - Journal of the Franklin Institute, 2023 - Elsevier
Quantum coherent feedback based on waveguide quantum electrodynamics plays important
roles in quantum devices design and quantum information processing. In this paper, we …

Nonreciprocal waveguide-QED for spinning cavities with multiple coupling points

W Liu, Y Lin, J Li, X Wang - Frontiers in Physics, 2022 - frontiersin.org
We investigate chiral emission and the single-photon scattering of spinning cavities coupled
to a meandering waveguide at multiple coupling points. It is shown that nonreciprocal …