Efficient scheme for implementing a hybrid Toffoli gate with two NV ensembles simultaneously controlling a single superconducting qubit

T Liu, J Xu, Y Zhang, Y Yu, QP Su, YH Zhou… - Applied Physics …, 2023 - pubs.aip.org
The Toffoli gate is a three-qubit controlled-controlled-NOT gate, which plays a central role in
quantum information processing and quantum computing. Recently, hybrid systems and …

Strong mechanical squeezing in an optomechanical system based on Lyapunov control

B Xiong, X Li, SL Chao, Z Yang, WZ Zhang… - Photonics …, 2020 - opg.optica.org
We propose a scheme to generate strong squeezing of a mechanical oscillator in an
optomechanical system through Lyapunov control. Frequency modulation of the mechanical …

[HTML][HTML] Transfer of arbitrary quantum states between separated superconducting cavities via an ensemble of nitrogen-vacancy centers

J Xu, T Liu - Results in Physics, 2023 - Elsevier
Transfer of quantum states between distant nodes is one of the most important preconditions
for realizing large-scale quantum information processing. We here propose two ways to …

One-step implementation of a coherent conversion between microwave and optical cavities via an ensemble of nitrogen-vacancy centers

T Liu, JL Zhao, BQ Guo, QC Wu, YH Zhou, CP Yang - Physical Review A, 2021 - APS
Quantum conversion between microwave and optical photons is an important area of
quantum information science and technology. Here we propose a one-step method to …

Maximal entanglement and switch squeezing with atom coupled to cavity field and graphene membrane

Q Liao, G He - Quantum Information Processing, 2020 - Springer
In this paper, we investigate the entanglement and squeezing dynamics of the system
consisting of an atom coupled to a cavity field and the graphene membrane using dressed …

Dissipative bosonic squeezing via frequency modulation and its application in optomechanics

DY Wang, CH Bai, S Liu, S Zhang, HF Wang - Optics Express, 2020 - opg.optica.org
The dissipative squeezing mechanism is an effective method to generate the strong
squeezing, which is important in the precision metrology. Here, we propose a practical …

Implementing a cross-Kerr interaction between microwave and optical cavities and its application in generating a hybrid continuous-variable–discrete-variable …

J Xu, T Liu - Physical Review A, 2024 - APS
Microwave-optical interactions and hybrid entangled states are crucial for building hybrid
quantum networks. In this work, we propose an approach for realizing a cross-Kerr nonlinear …

Coupling a single NV center to a superconducting flux qubit via a nanomechanical resonator

XK Li, SL Ma, YL Ren, JK Xie, FL Li - JOSA B, 2022 - opg.optica.org
We investigate the hybrid quantum system of a superconducting flux qubit, a single
electronic spin associated with a negatively charged nitrogen vacancy (NV) center in …

Dissipative generation of steady-state squeezing of superconducting resonators via parametric driving

J Xie, S Ma, Y Ren, X Li, F Li - Physical Review A, 2020 - APS
A dissipative method is proposed for generating the squeezed state of a microwave field in a
superconducting transmission line resonator, which is coupled to a superconducting qubit …

Molecule–plasmon–photon hybridization and applications

DY Lü, F Badshah, XK Li, R Tong, J Wu… - Journal of Physics D …, 2023 - iopscience.iop.org
We study a potential hybrid quantum system with a plasmonic nanocavity coupled to a
vibrating mode of a single molecule and another optical cavity mode. To explore some …