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 …

Decay dynamics of a giant atom in a structured bath with broken time-reversal symmetry

L Du, YT Chen, Y Zhang, Y Li… - Quantum Science and …, 2023 - iopscience.iop.org
We study in this paper the decay dynamics of a two-level giant atom, which is coupled to a
quasi-one-dimensional sawtooth lattice exposed to uniform synthetic magnetic fluxes. In the …

Nonreciprocal excitation and entanglement dynamics of two giant atoms mediated by a waveguide

G Cai, XS Ma, X Huang, MT Cheng - Optics Express, 2023 - opg.optica.org
We study the nonreciprocal excitation and entanglement dynamics of two giant atoms (GAs)
coupling to a one-dimensional waveguide. With different positions of coupling points, three …

Interaction and entanglement engineering in a driven-giant-atom setup with a coupled resonator waveguide

M Weng, X Wang, Z Wang - Physical Review A, 2024 - APS
We investigate the coherent interactions mediated by the coupled resonator waveguide
between two types of giant atoms. We find that the effective coupling and collective …

Topology-dependent giant-atom interaction in a topological waveguide QED system

DW Wang, C Zhao, YT Yan, J Yang, Z Wang, L Zhou - Physical Review A, 2024 - APS
We investigate topology-dependent giant-atom–photon bound states in a giant-atom
coupled topological waveguide system and find that the bound states can induce topology …

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 …

Harnessing spontaneous emission of correlated photon pairs from ladder-type giant atoms

ZM Gao, JQ Li, YH Wu, WX Liu, X Wang - Physical Review A, 2024 - APS
The realization of correlated multiphoton processes usually depends on the interaction
between nonlinear media and atoms. However, the nonlinearity of optical materials is …

Quantum optics with giant atoms in a structured photonic bath

L Leonforte, X Sun, D Valenti, B Spagnolo… - arxiv preprint arxiv …, 2024 - arxiv.org
We present a general framework to tackle quantum optics problems with giant atoms, ie
quantum emitters each coupled {\it non-locally} to a structured photonic bath (typically a …

Single-photon scattering and bound states in a one-dimensional waveguide with a topological giant atom

W Zhao, T Tian, Z Wang - Physical Review A, 2024 - APS
We investigate the single-photon scattering and bound states in a coupled resonator
waveguide (CRW) which couples to a topological giant atom (TGA) via two distant sites …

[HTML][HTML] Resonator mediated controlling single photon transport in one-dimensional waveguide coupling to a giant atom

G Cai, Y Lu, Z Liu, MT Cheng, XS Ma - Results in Physics, 2024 - Elsevier
We theoretically investigate coherent controlling single photon transport in one-dimensional
waveguide coupled to a giant atom interacting with a resonator. The giant atom is …