84 citations · 655 across the 39 of their papers we have counts for
39 papers
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…
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…
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…
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…
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…
Robust transitionless quantum driving: Concatenated approach
Zhi-Cheng Shi, Cheng Zhang, Li-Tuo Shen +3
We propose a concatenated approach for implementing transitionless quantum driving regardless of adiabatic conditions while being robustness with respect to all kinds of systematic…
Enhancing the sensitivity of nonlinearity sensors through homodyne detection in dissipatively coupled systems
Dianzhen Cui, Jianning Li, Fude Li +2
In this manuscript, we propose a new sensing mechanism to enhance the sensitivity of a quantum system to nonlinearities by homodyning the amplitude quadrature of the cavity field.…
Three-state coherent control using narrowband and passband sequences
Cheng Zhang, Li-Tuo Shen, Jie Song +2
In this work, we propose a comprehensive design for narrowband and passband composite pulse sequences by involving the dynamics of all states in the three-state system. The design…
Detecting a single atom in a cavity using the nonlinear medium
Dong-Liang Chen, Ye-Hong Chen, Yang Liu +3
We propose a protocol for detecting a single atom in a cavity with the help of the nonlinear medium. When the nonlinear medium is driven by an external laser fi…
Effective dynamics and quantum state engineering by periodic kicks
Zhi-Cheng Shi, Zhen Chen, Jian-Hui Wang +2
We study the kick dynamics of periodically driven quantum systems, and provide a timeindependent effective Hamiltonian with the analytical form to reasonably describe the effective…
Composite pulses for high fidelity population transfer in three-level systems
Zhi-Cheng Shi, Cheng Zhang, Du Ran +5
In this work, we propose a composite pulses scheme by modulating phases to achieve high fidelity population transfer in three-level systems. To circumvent the obstacle that not eno…
Optimized nonadiabatic holonomic quantum computation based on Förster resonance in Rydberg atoms
Shuai Liu, Jun-Hui Shen, Ri-Hua Zheng +4
In this paper, we propose a scheme for implementing the nonadiabatic holonomic quantum computation (NHQC+) of two Rydberg atoms by using invariant-based reverse engineering (IBRE).…
Robust population inversion in three-level systems by composite pulses
Cheng Zhang, Yang Liu, Zhi-Cheng Shi +3
In this work, we exploit the idea of composite pulses to achieve robust population inversion in a three-level quantum system. The scheme is based on the modulation of the coupling…
Robust single-qubit gates by composite pulses in three-level systems
Zhi-Cheng Shi, Hai-Ning Wu, Li-Tuo Shen +3
Composite pulses are an efficient tool for robust quantum control. In this work, we derive the form of the composite pulse sequence to implement robust single-qubit gates in a thre…
Two-level systems with periodic -step driving fields: Exact dynamics and quantum state manipulations
Zhi-Cheng Shi, Ye-Hong Chen, Wei Qin +4
In this work, we derive exact solutions of a dynamical equation, which can represent all two-level Hermitian systems driven by periodic -step driving fields. For different physi…
Robust generation of logical qubit singlet states with reverse engineering and optimal control with spin qubits
Yi-Hao Kang, Zhi-Cheng Shi, Jie Song +1
A protocol is proposed to generate singlet states of three logical qubits constructed by pairs of spins. Single and multiple operations of logical qubits are studied for the constr…
Heralded atomic nonadiabatic holonomic quantum computation with Rydberg blockade
Yi-Hao Kang, Zhi-Cheng Shi, Jie Song +1
We propose a protocol to realize atomic nonadiabatic holonomic quantum computation (NHQC) with two computational atoms and an auxiliary atom. Dynamics of the system is analyzed in…
Effective discrimination of chiral molecules in a cavity
Yi-Hao Kang, Zhi-Cheng Shi, Jie Song +1
We present a scheme to realize precise discrimination of chiral molecules in a cavity. Assisted by additional laser pulses, cavity fields can evolve to different coherence states w…
Pulse reverse-engineering for strong field-matter interaction
Du Ran, Bin Zhang, Ye-Hong Chen +5
We propose a scheme to control the evolution of a two-level quantum system in the strong coupling regime based on the idea of reverse-engineering. A coherent control field is desig…
Shortcut Scheme for One-Step Implementation of a Three-Qubit Nonadiabatic Holonomic Gate
Bi-Hua Huang, Yi-Hao Kang, Zhi-Cheng Shi +2
Nonadiabatic holonomic quantum computation has attracted increasing interest because of its robustness. In this paper, based on the shortcuts to adiabaticity (STA), we propose a sc…
Quantum state engineering by periodical two-step modulation in atomic system
Zhi-Cheng Shi, Du Ran, Li-Tuo Shen +2
By periodical two-step modulation, we demonstrate that the dynamics of multilevel system can still evolve even in multiple large detunings regime, and provide the effective Hamilto…
Precise quantum control via unsharp measurements and feedback operations
Du Ran, Ye-Hong Chen, Zhi-Cheng Shi +3
In this paper, we propose a scheme to eliminate the influence of noises on system dynamics, by means of a sequential unsharp measurements and unitary feedback operations. The unsha…