201 citations · 1.8k across the 61 of their papers we have counts for
61 papers
Selective Quantum Mpemba Dynamics in Chaotic Spin Chains
Ri-Hua Zheng, Yang Xiao, Yu Wang +2
In a symmetry-restoration quantum Mpemba effect, an initial state with stronger local symmetry breaking can lose that memory faster than a state that starts closer to the symmetric…
Spin-Squeezing-Enhanced Charging for Quantum Dicke Batteries
Ke-Xiong Yan, Jia-Wen Yu, Yiming Yu +5
High-power Dicke quantum batteries (QBs) typically exploit collective superradiance, whereas intrinsic matter-matter interactions are conventionally considered detrimental. Here, w…
Qubit Readout via State-Dependent Radiative Linewidths
Yiming Yu, Xinyu Zhao, Jia-Wen Yu +5
Fast qubit readout conventionally encodes state information in a dispersive frequency shift. Here we formulate a linewidth-encoded quantum non-demolition measurement channel in whi…
Programmable spectral symmetries in an anisotropic quantum Rabi simulator
Jia-Cheng Song, Yu Liu, Ming-Chuan Wang +28
The quantum Rabi model captures fundamental aspects of light--matter interaction, where symmetry dictates both spectra and dynamics. Over the past years, experiments have explored…
Anisotropic Rabi Model as a Noise Biased Qubit
Jia-Wen Yu, Ke-Xiong Yan, Yuan Qiu +7
We present the quantum anisotropic Rabi model as a potential resource for a noise biased qubit. The system-environment coupling can be biased by tuning the relative strengths of th…
Entanglement generation of arbitrary squeezed Fock states
Qin-Ru Cheng, Ke-Xiong Yan, Yuan Qiu +3
We propose an efficient and robust protocol for the generation of entanglement between a superconducting qubit and a squeezed cavity. By applying a parametric drive to the cavity c…
Neural network approach to mitigating intra-gate crosstalk in superconducting CZ gates
Yiming Yu, Yexiong Zeng, Ye-Hong Chen +2
The potential of quantum computing is fundamentally constrained by the inherent susceptibility of qubits to noise and crosstalk, particularly during multi-qubit gate operations. Ex…
Reinforcement Learning for Fast and Robust Longitudinal Qubit Readout
Yiming Yu, Yuan Qiu, Xinyu Zhao +2
Longitudinal coupling offers a compelling pathway for quantum nondemolition (QND) readout, but pulse design is constrained by hardware limitations such as the coupling strength and…
Efficient and flexible preparation of photonic NOON states in a superconducting system
Dong-Sheng Li, Yi-Hao Kang, Zhi-Cheng Shi +3
The NOON states play a critical role as physical resources in quantum information processing and quantum metrology, yet their preparation efficiency and applicability are often con…
Noise-resilient nonadiabatic geometric quantum computation for bosonic binomial codes
Dong-Sheng Li, Yang Xiao, Yu Wang +5
The binomial code is renowned for its parity-mediated loss immunity and loss-error recoverability, while geometric phases are widely recognized for their intrinsic resilience again…
Critical States Preparation With Deep Reinforcement Learning
Jia-Wen Yu, Yi-Ming Yu, Ke-Xiong Yan +4
The fast and efficient preparation of quantum critical states is a challenging yet crucial task for various quantum technologies. This difficulty is most particularly for systems n…
Relaxed parameter sensitivity for multiphoton quantum resonances
Hao-Lin Zhong, Ke-Xiong Yan, Yi-Ming Yu +4
Multiphoton resonances demonstrate the physical significance of counter-rotating wave terms in light-matter interactions. These resonances, however, are sensitive to detuning error…
Enhancing light-matter coupling for exploring chaos in the quantum Rabi model
Yan-Song Hu, Yuan Qiu, Ye-Hong Chen +2
Accessing chaos in the quantum Rabi model (QRM) usually requires operating far from resonance, combined with ultra- or deep-strong light-matter coupling. This makes direct experime…
Controllable Non-Hermitianity in Continuous-Variable Qubits
Ke-Xiong Yan, Zhi-Cheng Shi, Ye-Hong Chen +1
Pure dephasing is the dominant leak mechanism in photonic cat qubits because its phase errors disrupt the parity protection, rendering the qubit vulnerable to energy relaxation. In…
Dissecting the superradiant phase transition in the anisotropic Rabi model: Pattern competition and cavity-QED simulation
Yuan Qiu, Ke-Xiong Yan, Jun-Hao Lin +3
In this manuscript, we analyze the mechanism of the superradiant phase transition in the anisotropic Rabi model under the classical oscillator limit using the pattern picture. By e…
Suppressed Energy Relaxation in the Quantum Rabi Model at the Critical Point
Ye-Hong Chen, Zhi-Cheng Shi, Yu-Ran Zhang +2
We derive a modified master equation for the quantum Rabi model in the parameter regime where quantum criticality can occur. The modified master equation can avoid some unphysical…
Neural Network-Based Design of Approximate Gottesman-Kitaev-Preskill Code
Yexiong Zeng, Wei Qin, Ye-Hong Chen +2
Gottesman-Kitaev-Preskill (GKP) encoding holds promise for continuous-variable fault-tolerant quantum computing. While an ideal GKP encoding is abstract and impractical due to its…
Spontaneous emission in Casimir-Rabi oscillations through a weak optomechanical coupling
Ke-Xiong Yan, Yuan Qiu, Yang Xiao +3
The dynamical Casimir effect (DCE) describes the energy conversion from a mechanical motion to the electromagnetic fields. When the mechanical oscillator is in a mechanically excit…
Preparation of high fidelity entangled cat states with composite pulses
Ge-Ge Gu, Dong-Sheng Li, Ye-Hong Chen +2
We propose a protocol for the preparation of high-fidelity entangled cat states with composite pulses. The physical model contains two Kerr-nonlinear resonators and a cavity. By pr…
Generating three-photon Rabi oscillations without a large-detuning condition
Ke-Xiong Yan, Yuan Qiu, Yang Xiao +2
It is well known that in the quantum Rabi model, a three-photon resonance occurs when the cavity field bare frequency is about 1/3 of the atomic transition frequency. In this manus…
Optimally robust shortcuts to population inversion in cat-state qubits
Shao-Wei Xu, Zhong-Zheng Zhang, Yue-Ying Guo +2
Cat-state qubits formed by photonic coherent states are a promising candidate for realizing fault-tolerant quantum computing. Such logic qubits have a biased noise channel that the…
Error-Tolerant Amplification and Simulation of the Ultrastrong-Coupling Quantum Rabi Model
Ye-Hong Chen, Zhi-Cheng Shi, Franco Nori +1
Cat-state qubits formed by photonic cat states have a biased noise channel, i.e., one type of error dominates over all the others. We demonstrate that such biased-noise qubits are…
Supervised learning for robust quantum control in composite-pulse systems
Zhi-Cheng Shi, Jun-Tong Ding, Ye-Hong Chen +4
In this work, we develop a supervised learning model for implementing robust quantum control in composite-pulse systems, where the training parameters can be either phases, detunin…
Generation of spin squeezing via a fully quantum degenerate parametric amplifier
Yang Liu, Jie Song, Wei Qin +2
Spin squeezing is one of the most attractive methods for realizing high-precision metrology. In this paper, we propose a protocol for generating spin squeezing in an atomic ensembl…