203 citations · 656 across the 14 of their papers we have counts for
14 papers · 1 filter
Stabilizing the Kerr arbitrary cat states and holonomic universal control
Ke-hui Yu, Fan Zhu, Jiao-jiao Xue +1
The interference-free double potential wells realized by the two-photon driving Kerr nonlinear resonator (KNR) can stabilize cat states and protect them from decoherence through a…
Chiral SQUID-metamaterial waveguide for circuit-QED
Xin Wang, Ya-Fen Lin, Jia-Qi Li +2
Superconducting metamaterials, which are designed and fabricated with structured fundamental circuit elements, have motivated recent developments of exploring unconventional quantu…
Unconventional Quantum Electrodynamics with Hofstadter-Ladder Waveguide
Xin Wang, Zhao-Min Gao, Jia-Qi Li +2
We propose a novel quantum electrodynamics (QED) platform where quantum emitters interact with a Hofstadter-ladder waveguide. We demonstrate several intriguing phenomena stemming f…
Fast generation of Cat states in Kerr nonlinear resonators via optimal adiabatic control
Jiao-Jiao Xue, Ke-Hui Yu, Wen-Xiao Liu +2
Macroscopic cat states have been widely studied to illustrate fundamental principles of quantum physics as well as their application in quantum information processing. In this pape…
Chiral Quantum Network with Giant Atoms
Xin Wang, Hong-rong Li
In superconducting quantum circuits (SQCs), chiral routing quantum information is often realized with the ferrite circulators, which are usually bulky, lossy and require strong mag…
Retrieving High-Dimensional Quantum Steering From a Noisy Environment with N Measurement Settings
Rui Qu, Yunlong Wang, Min An +6
One of the most often implied benefits of high-dimensional (HD) quantum systems is to lead to stronger forms of correlations, featuring increased robustness to noise. Here, we expe…
Tunable Chiral Bound States with Giant Atoms
Xin Wang, Tao Liu, Anton Frisk Kockum +2
We propose tunable chiral bound states in a system composed of superconducting giant atoms and a Josephson photonic-crystal waveguide (PCW), with no analog in other quantum setups.…
Generating Synthetic Magnetism via Floquet Engineering Auxiliary Qubits in Phonon-Cavity-Based Lattice
Xin Wang, Hong-Rong Li, Fu-Li Li
Gauge magnetic fields have a close relation to breaking time-reversal symmetry in condensed matter. In the present of the gauge fields, we might observe nonreciprocal and topologic…
Two-color electromagnetically induced transparency via modulated coupling between a mechanical resonator and a qubit
Xin Wang, Adam Miranowicz, Hong-Rong Li +2
We discuss level splitting and sideband transitions induced by a modulated coupling between a superconducting quantum circuit and a nanomechanical resonator. First, we show how to…
Observing pure effects of counter-rotating terms without ultrastrong coupling: A single photon can simultaneously excite two qubits
Xin Wang, Adam Miranowicz, Hong-Rong Li +1
The coherent process that a single photon simultaneously excites two qubits has recently been theoretically predicted by [https://link.aps.org/doi/10.1103/PhysRevLett.117.043601 {P…
Hybrid quantum device with a carbon nanotube and a flux qubit for dissipative quantum engineering
Xin Wang, Adam Miranowicz, Hong-Rong Li +1
We describe a hybrid quantum system composed of a micrometer-size carbon nanotube (CNT) longitudinally coupled to a flux qubit. We demonstrate the usefulness of this device for gen…
Multi-output microwave single-photon source using superconducting circuits with longitudinal and transverse couplings
Xin Wang, Adam Miranowicz, Hong-Rong Li +1
Single-photon devices at microwave frequencies are important for applications in quantum information processing and communication in the microwave regime. In this work, we describe…
Method for observing robust and tunable phonon blockade in a nanomechanical resonator coupled to a charge qubit
Xin Wang, Adam Miranowicz, Hong-Rong Li +1
Phonon blockade is a purely quantum phenomenon, analogous to Coulomb and photon blockades, in which a single phonon in an anharmonic mechanical resonator can impede the excitation…
Tunable electromagnetically induced transparency with a coupled superconducting system
Xin Wang, Hong-rong Li, Wen-xiao Liu +1
Electromagnetically induced transparency (EIT) has usually been demonstrated by using three-level atomic systems. In this paper, we theoretically proposed an efficient method to re…