52 citations · 303 across the 25 of their papers we have counts for
17 papers · 1 filter
Breakdown of Linearized Dispersion in Waveguide QED
H. Z. Shen, Ze Wang, X. X. Yi +1
Exploring interactions between quantum emitters and guided photons, waveguide quantum electrodynamics (wQED) offers a versatile platform for quantum simulation and quantum intercon…
Giant-Atom-Induced High-Order Output Zeros in a Coupled-Cavity Array
Mengxue Li, H. Z. Shen, H. D. Liu +1
Coherent perfect absorption, zero transmission and zero reflection are several scattering phenomena governed by interference engineering in Hermitian and non-Hermitian systems. Hig…
Preparation of Multimode NOON States via Floquet-Engineered Conditional Chiral Excitation
Mengxue Li, Bo Tian, H. Z. Shen +2
The NOON states possess Heisenberg-limited phase sensitivity and are crucial for quantum-enhanced metrology. In our work, we develop a Floquet-engineered conditional-routing framew…
Photon blockade in non-Hermitian optomechanical systems with nonreciprocal couplings
J. Y. Sun, H. Z. Shen
We study the photon blockade at exceptional points for a non-Hermitian optomechanical system coupled to the driven whispering-gallery-mode microresonator with two nanoparticles und…
Multiple single-photon generations in three-level atoms coupled to cavity with non-Markovian effects
H. Z. Shen, Y. Chen, T. Z. Luan +1
In this paper, we show how to generate the multiple single-photon wavepackets of arbitrary temporal shape from an optical cavity coupled with three-level atoms driven by a driv…
Optomechanical second-order sidebands and group delays in a spinning resonator with parametric amplifier and non-Markovian effects
Wei Zhang, H. Z. Shen
We investigate the generation of the frequency components at the second-order sidebands based on a spinning resonator containing a degenerate optical parametric amplifier (OPA). We…
Shortcuts to adiabaticity with general two-level non-Hermitian systems
T. Z. Luan, H. Z. Shen, X. X. Yi
Shortcuts to adiabaticity are alternative fast processes which reproduce the same final state as the adiabatic process in a finite or even shorter time, which have been extended fr…
Non-Markovian dynamics with a giant atom coupled to a semi-infinite photonic waveguide
Z. Y. Li, H. Z. Shen
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 mirror is…
Coupling Enhancement and Symmetrization in Dissipative Optomechanical Systems
Cheng Shang, H. Z. Shen
Observing few-photon optomechanical effects remains a significant challenge in optomechanical systems. To investigate intrinsic radiation-pressure-induced nonlinear effects in the…
Open dynamics in the Aubry-André-Harper model coupled to a finite bath: the influence of localization in the system and dimensionality of bath
H. T. Cui, M. Qin, L. Tang +2
The population evolution of single excitation is studied in the Aubry- André- Harper (AAH) model coupled to a -dimensional simple lattices bath with a focus on the effe…
Single photon transmission in strong three-mode optomechanical circulatory system
Cheng Shang, H. Z. Shen, X. X. Yi
In the few-photon regime, we theoretically propose a feasible scheme to realize strong coupling optomechanical cycle in a three-mode optomechanical circulatory system (OMCS) compri…
Bound state and Localization of excitation in many-body open systems
H. T. Cui, H. Z. Shen, S. C. Hou +1
Bound state and time evolution for single excitation in one dimensional XXZ spin chain within non-Markovian reservoir are studied exactly. As for bound state, a common feature is t…
Shortcuts to adiabaticity in non-Hermitian quantum systems without rotating-wave approximation
Hong Li, H. Z. Shen, S. L. Wu +1
The technique of shortcuts to adiabaticity (STA) has attracted broad attention due to their possible applications in quantum information processing and quantum control. However, mo…
Quantum response theory for open systems and its application to Hall conductance
H. Z. Shen, M. Qin, Y. H. Zhou +2
Quantum linear response theory considers only the response of a closed quantum system to a perturbation up to first order in the perturbation. This theory breaks down when the syst…
Exact non-Markovian master equation for a driven damped two-level system
H. Z. Shen, M. Qin, Xiao-Ming Xiu +1
Driven two-level system is a useful model to describe many quantum objects, particularly in quantum information processing. However, the exact master equation for such a system is…
Hall conductance and topological invariant for open systems
H. Z. Shen, W. Wang, X. X. Yi
The Hall conductivity given by the Kubo formula is a linear response of the quantum transverse transport to a weak electric field. It has been intensively studied for a quantum sys…
Atom-molecule conversion system subject to phase noises
H. Z. Shen, Xiao-Ming Xiu, X. X. Yi
The dynamics of atom-molecule conversion system subject to dephasing noises is studied in this paper. With the dephasing master equation and the mean-field theory, we drive a Bloch…