112 citations · 334 across the 11 of their papers we have counts for
11 papers
Selective high-order topological states and tunable chiral emission in atomic metasurfaces
Yi-Xin Wang, Yan Zhang, Lei Du +2
Atomic metasurfaces (AMs) provide a powerful nanophotonic platform for integrating topological effects into quantum many-body systems. In this Letter, we investigate the quantum op…
Single-photon manipulations based on optically-controlled chiral couplings in waveguide structures of Rydberg giant atoms
Yao-Tong Chen, Lei Du, Zhihai Wang +3
Two interacting Rydberg atoms coupled to a waveguide realize a giant-atom platform that exhibits the controllable (phase-dependent) chirality where the direction of nonreciprocal p…
Chiral phase modulation and tunable broadband perfect absorber using the coherent cold atomic ensemble
Yi-Xin Wang, Yan Zhang, Lei Du +1
We investigate the two-channel nonreciprocal scattering of a coherent atomic ensemble under the linear spatial Kramers-Kronig modulation, which has potential applications in chiral…
Giant-Atom Effects on Population and Entanglement Dynamics of Rydberg Atoms
Yao-Tong Chen, Lei Du, Yan Zhang +4
Giant atoms are attracting interest as an emerging paradigm in the quantum optics of engineered waveguides. Here we propose to realize a synthetic giant atom working in the optical…
Decay dynamics of a giant atom in a structured bath with broken time-reversal symmetry
Lei Du, Yao-Tong Chen, Yan Zhang +2
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 t…
Light transfer transitions beyond higher-order exceptional points in parity-time and anti-parity-time symmetric waveguide arrays
Chuanxun Du, Gang Wang, Yan Zhang +1
We propose two non-Hermitian arrays consisting of waveguides and exhibiting parity-time () or anti- symmetry for investigating light transfer d…
Nonreciprocal and chiral single-photon scattering for giant atoms
Yao-Tong Chen, Lei Du, Lingzhen Guo +4
Quantum optics with giant atoms has provided a new paradigm to study photon scatterings. In this work, we investigate the nontrivial single-photon scattering properties of giant at…
Quantum transport in nonlinear Rudner-Levitov models
Lei Du, Jin-Hui Wu, M. Artoni +1
Quantum transport in a class of nonlinear extensions of the Rudner-Levitov model is numerically studied in this paper. We show that the quantization of the mean displacement, which…
Giant Atoms in a Synthetic Frequency Dimension
Lei Du, Yan Zhang, Jin-Hui Wu +2
Giant atoms that interact with real-space waveguides at multiple spatial points have attracted extensive attention due to their unique interference effects. Here we propose a feasi…
Ground-state blockade of Rydberg atoms and application in entanglement generation
X. Q. Shao, D. X. Li, Y. Q. Ji +2
We propose a mechanism of ground-state blockade between two -type Rydberg atoms in virtue of Rydberg-antiblockade effect and Raman transition. Inspired by the quantum Zeno effec…
Tunable multi-channel inverse optomechanically induced transparency
Qin Wu, Jian-Qi Zhang, Jin-Hui Wu +2
In contrast to the optomechanically induced transparency (OMIT) defined conventionally, the inverse OMIT behaves as coherent absorption of the input lights in the optomechanical sy…