Phase-modulated single-photon nonreciprocal transport and directional router in a waveguide–cavity–emitter system beyond the chiral coupling

X Wang, WX Yang, AX Chen, L Li, T Shui… - Quantum Science …, 2022 - iopscience.iop.org
We propose a potentially practical scheme for the controllable single-photon transport via
waveguides which are coupled to a microcavity–emitter system. The microcavity–emitter …

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 …

Nonreciprocal single-photon scattering in giant-spin-ensemble–waveguide magnonics

X Wang, QY Qiu, KW Huang, H **ong - Physical Review A, 2023 - APS
We study nonreciprocal single-photon scattering in a giant-spin-ensemble (GSE)–
waveguide magnonics system where the GSE constructed by a yttrium iron garnet sphere …

Unconventional quantum electrodynamics with a Hofstadter-ladder waveguide

X Wang, ZM Gao, JQ Li, HB Zhu, HR Li - Physical Review A, 2022 - APS
We propose a quantum electrodynamics platform where quantum emitters interact with a
Hofstadter-ladder waveguide. We demonstrate several intriguing phenomena stemming …

Single-photon switching in a Floquet waveguide-QED system with time-modulated coupling constants

H Li, Z Li, R Zeng, M Hu, M Xu, X Zhou, X **a, J Xu… - Physical Review A, 2023 - APS
The dynamical control of single-photon scattering in a one-dimensional waveguide coupled
to a Floquet atom-cavity system with time-modulated coupling constants is investigated. The …

Catch and release of propagating bosonic field with non-Markovian giant atom

L Xu, L Guo - New Journal of Physics, 2024 - iopscience.iop.org
The non-Markovianity of physical systems is considered to be a valuable resource that has
potential applications to quantum information processing. The control of traveling quantum …

Tunable single photon nonreciprocal scattering based on giant atom-waveguide chiral couplings

N Liu, X Wang, X Wang, XS Ma, MT Cheng - Optics Express, 2022 - opg.optica.org
We theoretically investigate the single photon scattering properties in a waveguide chirally
coupling to a giant atom. The single photon transmission spectrum depends on the direction …

Frequency tunable single photon diode based on giant atom coupling to a waveguide

G Cai, Y Lu, XS Ma, MT Cheng, X Huang - Optics Express, 2023 - opg.optica.org
The single photon scattering properties in a waveguide coupling to a giant atom with a three-
level system are investigated theoretically. One of the transitions of the giant atom couples to …

Controllable single-photon transport mediated by a time-modulated Jaynes–Cummings model

H Li, Y Lan, R Zeng, M Hu, M Xu, X **a… - Journal of Physics B …, 2024 - iopscience.iop.org
Controllable single-photon scattering in a one-dimensional waveguide coupled to a Jaynes–
Cummings structure containing a time-modulated two-level atom interacting with a single …

Controllable single-photon routing between two waveguides by two giant two-level atoms

YQ Zhang, ZH Zhu, KK Chen, ZH Peng, WJ Yin… - Frontiers in …, 2022 - frontiersin.org
We investigate the single-photon quantum routing composed of two infinite waveguides
coupled to two giant two-level atoms. The exact expressions of the single-photon …