111 citations · 336 across the 18 of their papers we have counts for
18 papers
Magnetic nonreciprocity in a hybrid device of asymmetric artificial spin-ice-superconductors
Chong Li, Peiyuan Huang, Chen-Guang Wang +15
Controlling the size and distribution of potential barriers within a medium of interacting particles can unveil unique collective behaviors and innovative functionalities. In this…
Integrated and DC-powered superconducting microcomb
Chen-Guang Wang, Wuyue Xu, Chong Li +21
Frequency combs, specialized laser sources emitting multiple equidistant frequency lines, have revolutionized science and technology with unprecedented precision and versatility. R…
Tunable superconducting resonators via on-chip control of local magnetic field
Chen-Guang Wang, Wen-Cheng Yue, Xuecou Tu +13
Superconducting microwave resonators play a pivotal role in superconducting quantum circuits. The ability to fine-tune their resonant frequencies provides enhanced control and flex…
Unconventional superconducting diode effects via antisymmetry and antisymmetry breaking
Chong Li, Yang-Yang Lyu, Wen-Cheng Yue +19
Symmetry-breaking plays a pivotal role in unlocking intriguing properties and functionalities in material systems. For example, the breaking of spatial and temporal symmetries lead…
Measuring quantum geometric tensor of non-Abelian system in superconducting circuits
Wen Zheng, Jianwen Xu, Zhuang Ma +11
Topology played an important role in physics research during the last few decades. In particular, the quantum geometric tensor that provides local information about topological pro…
A controllable superconducting electromechanical oscillator with a suspended membrane
Yong-Chao Li, Jiang-shan Tang, Jun-Liang Jiang +10
We fabricate a microscale electromechanical system, in which a suspended superconducting membrane, treated as a mechanical oscillator, capacitively couples to a superconducting mic…
Simulating the Kibble-Zurek mechanism of the Ising model with a superconducting qubit system
Ming Gong, Xueda Wen, Guozhu Sun +11
The Kibble-Zurek mechanism (KZM) predicts the density of topological defects produced in the dynamical processes of phase transitions in systems ranging from cosmology to condensed…
Entanglement dynamics of a superconducting phase qubit coupled to a two-level system
Guozhu Sun, Zhongyuan Zhou, Bo Mao +3
We report the observation and quantitative characterization of driven and spontaneous oscillations of quantum entanglement, as measured by concurrence, in a bipartite system consis…
Landau-Zener-Stuckelberg interference in a multi-anticrossing system
Jindan Chen, Xueda Wen, Guozhu Sun +1
We propose a universal analytical method to study the dynamics of a multi-anticrossing system subject to driving by one single large-amplitude triangle pulse, within its time scale…
Landau-Zener-Stückelberg Interference of Microwave Dressed States of a Superconducting Phase Qubit
Guozhu Sun, Xueda Wen, Bo Mao +6
We present the first observation of Landau-Zener-Stückelberg (LZS) interference of the dressed states arising from an artificial atom, a superconducting phase qubit, interacting wi…
Landau-Zener-Stückelberg Spectroscopy of a Superconducting Flux Qubit
Shuang Xu, Guozhu Sun, Yang Yu
We proposed a new method to measure the energy spectrum of a superconducting flux qubit. Different from the conventional frequency spectroscopy, a short triangle pulse is used to d…
Quantum Dynamics of a Microwave Driven Superconducting Phase Qubit Coupled to a Two-Level System
Guozhu Sun, Xueda Wen, Bo Mao +4
We present an analytical and comprehensive description of the quantum dynamics of a microwave resonantly driven superconducting phase qubit coupled to a microscopic two-level syste…
Tunable Quantum Beam Splitters for Coherent Manipulation of a Solid-State Tripartite Qubit System
Guozhu Sun, Xueda Wen, Bo Mao +4
Coherent control of quantum states is at the heart of implementing solid-state quantum processors and testing quantum mechanics at the macroscopic level. Despite significant progre…
Landau-Zener-Stuckelberg interferometry in multilevel superconducting flux qubit
Xueda Wen, Yiwen Wang, Shanhua Cong +7
Landau-Zener-Stuckelberg interferometry has been extensively investigated in quantum two-level systems, with particular interests on artificial system such as superconducting flux…
Population Inversion Induced by Landau-Zener Transition in a Strongly Driven rf-SQUID
Guozhu Sun, Xueda Wen, Yiwen Wang +7
Microwave resonances between discrete macroscopically distinct quantum states with single photon and multiphoton absorption are observed in a strongly driven radio frequency superc…
Quantum interference induced by multiple Landau-Zener transitions in a strongly driven rf-SQUID qubit
Yiwen Wang, Shanhua Cong, Xueda Wen +7
We irradiated an rf-SQUID qubit with large-amplitude and high frequency electromagnetic field. Population transitions between macroscopic distinctive quantum states due to Landau-Z…
Quantum Jump Approach to Switching Process of a Josephson Junction Coupled to a Microscopic Two-Level System
Xueda Wen, Yiwen Wang, Ning Dong +6
With microwave irradiation, the switching current of a Josephson junction coupled to a microscopic two-level system jumps randomly between two discrete states. We modeled the switc…
Thermal Escape from a Metastable State in Periodically Driven Josephson Junctions
Guozhu Sun, Jian Chen, Weiwei Xu +7
Resonant activation and noise-enhanced stability were observed in an underdamped real physical system, i.e., Josephson tunnel junctions. With a weak sinusoidal driving force applie…