210 citations · 1.1k across the 16 of their papers we have counts for
16 papers
Multi-Level Variational Spectroscopy using a Programmable Quantum Simulator
Zhikun Han, Chufan Lyu, Yuxuan Zhou +17
Energy spectroscopy is a powerful tool with diverse applications across various disciplines. The advent of programmable digital quantum simulators opens new possibilities for condu…
Quantum-enhanced metrology with large Fock states
Xiaowei Deng, Sai Li, Zi-Jie Chen +11
Quantum metrology uses non-classical states, such as Fock states with a specific number of photons, to achieve an advantage over classical sensing methods. Typically, quantum metro…
Low-loss interconnects for modular superconducting quantum processors
Jingjing Niu, Libo Zhang, Yang Liu +23
Scaling is now a key challenge in superconducting quantum computing. One solution is to build modular systems in which smaller-scale quantum modules are individually constructed an…
Beating the break-even point with a discrete-variable-encoded logical qubit
Zhongchu Ni, Sai Li, Xiaowei Deng +12
Quantum error correction (QEC) aims to protect logical qubits from noises by utilizing the redundancy of a large Hilbert space, where an error, once it occurs, can be detected and…
Experimental Realization of Two Qutrits Gate with Tunable Coupling in Superconducting Circuits
Kai Luo, Wenhui Huang, Ziyu Tao +12
Gate-based quantum computation has been extensively investigated using quantum circuits based on qubits. In many cases, such qubits are actually made out of multilevel systems but…
Cancelling microwave crosstalk with fixed-frequency qubits
Wuerkaixi Nuerbolati, Zhikun Han, Ji Chu +5
Scalable quantum information processing requires that modular gate operations can be executed in parallel. The presence of crosstalk decreases the individual addressability, causin…
Native Conditional SWAP Operation with Superconducting Artificial Atoms
Chang-Kang Hu, Jiahao Yuan, Bruno A. Veloso +16
Controlling the flow of quantum information is a fundamental task for quantum computers, which is unfeasible to realize on classical devices. Coherent devices which can process qua…
Engineering superconducting qubits to reduce quasiparticles and charge noise
Xianchuang Pan, Yuxuan Zhou, Haolan Yuan +10
Identifying, quantifying, and suppressing decoherence mechanisms in qubits are important steps towards the goal of engineering a quantum computer or simulator. Superconducting circ…
Scalable algorithm simplification using quantum AND logic
Ji Chu, Xiaoyu He, Yuxuan Zhou +29
Implementing quantum algorithms on realistic hardware requires translating high-level global operations into sequences of native elementary gates, a process known as quantum compil…
Scalable Method for Eliminating Residual Interaction between Superconducting Qubits
Zhongchu Ni, Sai Li, Libo Zhang +11
Unwanted interaction is a quantum-mechanical crosstalk phenomenon which correlates qubit dynamics and is ubiquitous in superconducting qubit systems. It adversely affects the…
Optimal charging of a superconducting quantum battery
Chang-Kang Hu, Jiawei Qiu, Paulo J. P. Souza +16
Quantum batteries are miniature energy storage devices and play a very important role in quantum thermodynamics. In recent years, quantum batteries have been extensively studied, b…
Superrobust Geometric Control of a Superconducting Circuit
Sai Li, Bao-Jie Liu, Zhongchu Ni +9
Geometric phases accompanying adiabatic quantum evolutions can be used to construct robust quantum control for quantum information processing due to their noise-resilient feature.…
Coupler-Assisted Controlled-Phase Gate with Enhanced Adiabaticity
Ji Chu, Fei Yan
High-fidelity two-qubit entangling gates are essential building blocks for fault-tolerant quantum computers. Over the past decade, tremendous efforts have been made to develop scal…
Suppressing Coherent Two-Qubit Errors via Dynamical Decoupling
Jiawei Qiu, Yuxuan Zhou, Chang-Kang Hu +21
Scalable quantum information processing requires the ability to tune multi-qubit interactions. This makes the precise manipulation of quantum states particularly difficult for mult…
Phase sensitive Landau-Zener-Stückelberg interference in superconducting quantum circuit
Zhi-Xuan Yang, Yi-Meng Zhang, Yu-Xuan Zhou +5
Superconducting circuit quantum electrodynamics (QED) architecture composed of superconducting qubit and resonator is a powerful platform for exploring quantum physics and quantum…
High-fidelity, high-scalability two-qubit gate scheme for superconducting qubits
Yuan Xu, Ji Chu, Jiahao Yuan +9
High-quality two-qubit gate operations are crucial for scalable quantum information processing. Often, the gate fidelity is compromised when the system becomes more integrated. The…