286 citations · 2.3k across the 33 of their papers we have counts for
33 papers
Demonstrating advantages of dynamic quantum circuits on a hybrid superconducting qubit-cavity processor
Hongbo Wu, Ling Hu, Jiasheng Mai +10
Dynamic quantum circuits (DQCs) provide a hardware-efficient route to quantum computing by reducing physical-qubit overhead and compressing circuit topology through mid-circuit mea…
Symmetry-Broken Cavity Solitons and Collective Polarization Conformity in Fabry-Perot Kerr Resonators
Yohann G. Sanvert, Abdullah Alabbadi, Lewis Hill +7
We report on the experimental generation of polarization symmetry-broken cavity solitons (CSs) in a passive, fiber-based, coherently-driven, Fabry-Perot (FP) Kerr resonator. Polari…
A biased-erasure cavity qubit with hardware-efficient quantum error detection
Jiasheng Mai, Qiyu Liu, Xiaowei Deng +8
Erasure qubits are beneficial for quantum error correction due to their relaxed threshold requirements. While dual-rail erasure qubits have been demonstrated with a strong error hi…
Autonomous quantum error correction beyond break-even and its metrological application
Zhongchu Ni, Ling Hu, Yanyan Cai +8
The ability to extend the lifetime of a logical qubit beyond that of the best physical qubit available within the same system, i.e., the break-even point, is a prerequisite for bui…
Quantum squeezing amplification with a weak Kerr nonlinear oscillator
Yanyan Cai, Xiaowei Deng, Libo Zhang +8
Quantum squeezed states, with reduced quantum noise, have been widely utilized in quantum sensing and quantum error correction applications. However, generating and manipulating th…
Autonomous Stabilization of Fock States in an Oscillator against Multiphoton Losses
Sai Li, Zhongchu Ni, Libo Zhang +8
Fock states with a well-defined number of photons in an oscillator have shown a wide range of applications in quantum information science. Nonetheless, their usefulness has been ma…
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…
Interaction-induced topological pumping in a solid-state quantum system
Ziyu Tao, Wenhui Huang, Jingjing Niu +24
As the basis for generating multi-particle quantum correlations, inter-particle interaction plays a crucial role in collective quantum phenomena, quantum phase transitions, and qua…
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…
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…
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…
Experimental simulation of open quantum system dynamics via Trotterization
Jiaxiu Han, Weizhou Cai, Ling Hu +8
Digital quantum simulators provide a diversified tool for solving the evolution of quantum systems with complicated Hamiltonians and hold great potential for a wide range of applic…
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.…
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-efficiency arbitrary quantum operation on a high-dimensional quantum system
Weizhou Cai, Jiaxiu Han, Ling Hu +10
The ability to manipulate quantum systems lies at the heart of the development of quantum technology. The ultimate goal of quantum control is to realize arbitrary quantum operation…
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…
Manipulating complex hybrid entanglement and testing multipartite Bell inequalities in a superconducting circuit
Yuwei Ma, Xiaoxuan Pan, Weizhou Cai +9
Quantum correlations in observables of multiple systems not only are of fundamental interest, but also play a key role in quantum information processing. As a signature of these co…
Experimental implementation of universal nonadiabatic geometric quantum gates in a superconducting circuit
Yuan Xu, Ziyue Hua, Tao Chen +9
Using geometric phases to realize noise-resilient quantum computing is an important method to enhance the control fidelity. In this work, we experimentally realize a universal nona…
Heisenberg limited single-mode quantum metrology
W. Wang, Y. Wu, Y. Ma +11
Two-mode interferometers, such as Michelson interferometer based on two spatial optical modes, lay the foundations for quantum metrology. Instead of exploring quantum entanglement…
Demonstration of Controlled-Phase Gates between Two Error-Correctable Photonic Qubits
Yuan Xu, Yuwei Ma, Weizhou Cai +11
To realize fault-tolerant quantum computing, it is necessary to store quantum information in logical qubits with error correction functions, realized by distributing a logical stat…