210 citations · 1.7k across the 31 of their papers we have counts for
31 papers
Controlling spin currents with magnon interference in a canted antiferromagnet
Lutong Sheng, Anna Duvakina, Hanchen Wang +16
Controlling spin current lies at the heart of spintronics and its applications. The sign of spin currents is monotonous in ferromagnets once the current direction is determined. Sp…
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…
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…
Observation of spin-wave moiré edge and cavity modes in twisted magnetic lattices
Hanchen Wang, Marco Madami, Jilei Chen +16
We report the experimental observation of the spin-wave moiré edge and cavity modes using Brillouin light scattering spectro-microscopy in a nanostructured magnetic moiré lattice c…
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…
Superconducting Diode Effect and Large Magnetochiral Anisotropy in T-MoTe Thin Film
Wan-Shun Du, Weipeng Chen, Yangbo Zhou +14
In the absence of time-reversal invariance, metals without inversion symmetry may exhibit nonreciprocal charge transport -- a magnetochiral anisotropy that manifests as unequal ele…
Deterministic quantum teleportation between distant superconducting chips
Jiawei Qiu, Yang Liu, Jingjing Niu +10
Quantum teleportation~\cite{Bennett1993} is of both fundamental interest and great practical importance in quantum information science. To date, quantum teleportation has been impl…
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…
Long-distance propagation of high-velocity antiferromagnetic spin waves
Hanchen Wang, Rundong Yuan, Yongjian Zhou +8
We report on coherent propagation of antiferromagnetic (AFM) spin waves over a long distance (10 m) at room temperature in a canted AFM -FeO with the Dzyaloshin…
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…
Nonlocal detection of interlayer three-magnon coupling
Lutong Sheng, Mehrdad Elyasi, Jilei Chen +13
A leading nonlinear effect in magnonics is the interaction that splits a high-frequency magnon into two low-frequency ones with conserved linear momentum. Here, we report experimen…
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…
Intermediate anomalous Hall states induced by noncollinear spin structure in magnetic topological insulator MnBi2Te4
Jing-Zhi Fang, Shuo Wang, Xing-Guo Ye +12
The combination of topology and magnetism is attractive to produce exotic quantum matters, such as the quantum anomalous Hall state, axion insulators and the magnetic Weyl semimeta…
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…
Experimental realization of phase-controlled dynamics with hybrid digital-analog approach
Ziyu Tao, Libo Zhang, Xiaole Li +9
Quantum simulation can be implemented in pure digital or analog ways, each with their pros and cons. By taking advantage of the universality of a digital route and the efficiency o…