84 citations · 173 across the 16 of their papers we have counts for
17 papers
Quantum Simulation of a Hyperbolically Driven Quantum System with Superconducting Circuits
Han-xin Che, Yangyang Yu, Tao Zhang +4
Hyperbolic geometry hosts a plethora of exotic quantum phenomena ranging from holographic duality to novel topological phases. However, investigating these effects experimentally r…
A scalable edge-pass Purcell filter for high-fidelity readout of superconducting qubits
Xudong Liao, Yuan Li, Sainan Huai +11
High-fidelity readout with strong Purcell protection of qubit coherence is essential for scalable superconducting quantum processors, yet the finite passband and sizable footprint…
Demonstration of Discrete-Time Quantum Walks and Observation of Topological Edge States in a Superconducting Qutrit Chain
Kun Zhou, Jian-Wen Xu, Qi-Ping Su +12
Quantum walk serves as a versatile tool for universal quantum computing and algorithmic research. However, the implementation of discrete-time quantum walks (DTQWs) with supercondu…
Information-Scrambling-Enhanced Quantum Sensing Beyond the Standard Quantum Limit
Yangyang Ge, Haoyu Zhou, Wen Zheng +16
Quantum sensing promises measurement precision beyond classical limits, but its practical realization is often hindered by decoherence and the challenges of generating and stabiliz…
Efficient Implementation of a Single-Qutrit Gate Set via Coherent Control
Xiang-Min Yu, Xiang Deng, Wen Zheng +15
Qutrits offer the potential for enhanced quantum computation by exploiting an enlarged Hilbert space. However, the synthesis of high-fidelity and fast qutrit gates, particularly fo…
Variational quantum algorithms with invariant probabilistic error cancellation on noisy quantum processors
Yulin Chi, Hongyi Shi, Wen Zheng +8
In the noisy intermediate-scale quantum era, emerging classical-quantum hybrid optimization algorithms, such as variational quantum algorithms (VQAs), can leverage the unique chara…
Tunable Hybrid-Mode Coupler Enabling Strong Interactions between Transmons at Centimeter-Scale Distance
Jianwen Xu, Xiang Deng, Wen Zheng +12
The transmon, a fabrication-friendly superconducting qubit, remains a leading candidate for scalable quantum computing. Recent advances in tunable couplers have accelerated progres…
Long-Range Interaction via Resonator-Induced Phase in Superconducting Qubits
Xiang Deng, Wen Zheng, Xudong Liao +8
Superconducting quantum computing emerges as one of leading candidates for achieving quantum advantage. However, a prevailing challenge is the coding overhead due to limited quantu…
Quantum voting machine encoded with microwave photons
Yu Zhang, Chuiping Yang, Qiping Su +4
We propose a simple quantum voting machine using microwave photon qubit encoding, based on a setup comprising multiple microwave cavities and a coupled superconducting flux qutrit.…
Exploring Parity Magnetic Effects through Experimental Simulation with Superconducting Qubits
Yu Zhang, Yan-Qing Zhu, Jianwen Xu +8
We present the successful realization of four-dimensional (4D) semimetal bands featuring tensor monopoles, achieved using superconducting quantum circuits. Our experiment involves…
Experimental Implementation of Noncyclic and Nonadiabatic Geometric Quantum Gates in a Superconducting Circuit
Zhuang Ma, Jianwen Xu, Tao Chen +6
Quantum gates based on geometric phases possess intrinsic noise-resilience features and therefore attract much attention. However, the implementations of previous geometric quantum…
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…
Accelerated quantum adiabatic transfer in superconducting qubits
Wen Zheng, Jianwen Xu, Zhimin Wang +4
Quantum adiabatic transfer is widely used in quantum computation and quantum simulation. However, the transfer speed is limited by the quantum adiabatic approximation condition, wh…
Optimal control of stimulated Raman adiabatic passage in a superconducting qudit
Wen Zheng, Yu Zhang, Yuqian Dong +9
Stimulated Raman adiabatic passage (STIRAP) is a widely used protocol to realize high-fidelity and robust quantum control in various quantum systems. However, further application o…
Experimental Observation of Tensor Monopoles with a Superconducting Qudit
Xinsheng Tan, Dan-Wei Zhang, Wen Zheng +9
Monopoles play a center role in gauge theories and topological matter. There are two fundamental types of monopoles in physics: vector monopoles and tensor monopoles. Examples of v…
Experimental Realization of Universal Time-optimal non-Abelian Geometric Gates
Zhikun Han, Yuqian Dong, Baojie Liu +14
Based on the geometrical nature of quantum phases, non-adiabatic holonomic quantum control (NHQC) has become a standard technique for enhancing robustness in constructing quantum g…
Realization of Superadiabatic Two-qubit Gates Using Parametric Modulation in Superconducting Circuits
Ji Chu, Danyu Li, Xiaopei Yang +10
Fast robust two-qubit gate operation with low susceptibility to crosstalk are the key to scalable quantum information processing. Parametrically driven gate is inherently insensiti…