96 citations · 573 across the 21 of their papers we have counts for
21 papers
Experimental simulation of quantum superchannels
Hang Li, Kai Wang, Shijie Wei +5
Simulating quantum physical processes has been one of the major motivations for quantum information science. Quantum channels, which are completely positive and trace preserving pr…
Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier
Liangyu Chen, Hang-Xi Li, Yong Lu +17
High-fidelity and rapid readout of a qubit state is key to quantum computing and communication, and it is a prerequisite for quantum error correction. We present a readout scheme f…
Generating Haar-uniform Randomness using Stochastic Quantum Walks on a Photonic Chip
Hao Tang, Leonardo Banchi, Tian-Yu Wang +9
As random operations for quantum systems are intensively used in various quantum information tasks, a trustworthy measure of the randomness in quantum operations is highly demanded…
A full circuit-based quantum algorithm for excited-states in quantum chemistry
Jingwei Wen, Zhengan Wang, Chitong Chen +7
Utilizing quantum computer to investigate quantum chemistry is an important research field nowadays. In addition to the ground-state problems that have been widely studied, the det…
Building Blocks of a Flip-Chip Integrated Superconducting Quantum Processor
Sandoko Kosen, Hang-Xi Li, Marcus Rommel +24
We have integrated single and coupled superconducting transmon qubits into flip-chip modules. Each module consists of two chips -- one quantum chip and one control chip -- that are…
Quantum Advantage with Timestamp Membosonsampling
Jun Gao, Xiao-Wei Wang, Wen-Hao Zhou +10
Quantum computer, harnessing quantum superposition to boost a parallel computational power, promises to outperform its classical counterparts and offer an exponentially increased s…
Heralding Quantum Entanglement between Two Room-Temperature Atomic Ensembles
Hang Li, Jian-Peng Dou, Xiao-Ling Pang +6
Establishing quantum entanglement between individual nodes is crucial for building large-scale quantum networks, enabling secure quantum communication, distributed quantum computin…
Multipartite Entanglement of Billions of Motional Atoms Heralded by Single Photon
Hang Li, Jian-Peng Dou, Xiao-Ling Pang +6
Quantum entanglement is of central importance to quantum computing, quantum metrology, quantum information as well as the nature of quantum physics. Quantum theory does not prevent…
A Full Quantum Eigensolver for Quantum Chemistry Simulations
Shijie Wei, Hang Li, GuiLu Long
Quantum simulation of quantum chemistry is one of the most compelling applications of quantum computing. It is of particular importance in areas ranging from materials science, bio…
Hacking Quantum Key Distribution via Injection Locking
Xiao-Ling Pang, Ai-Lin Yang, Chao-Ni Zhang +4
Unconditionally secure communication, being pursued for thousands of years, however, hasn't been reached yet due to continuous competitions between encryption and hacking. Quantum…
A Hybrid Quantum Memory Enabled Network at Room Temperature
Xiao-Ling Pang, Ai-Lin Yang, Jian-Peng Dou +8
Quantum memory capable of storage and retrieval of flying photons on demand is crucial for developing quantum information technologies. However, the devices needed for long-distanc…
Direct Observation of Broadband Nonclassical States in a Room-temperature Light-matter Interface
Jian-Peng Dou, Ai-Lin Yang, Mu-Yan Du +7
Nonclassical state is an essential resource for quantum-enhanced communication, computing and metrology to outperform their classical counterpart. The nonclassical states that can…
A Broadband DLCZ Quantum Memory in Room-Temperature Atoms
Jian-Peng Dou, Ai-Lin Yang, Mu-Yan Du +8
Quantum memory capable of stopping flying photons and storing their quantum coherence is essential for scalable quantum technologies. A room-temperature broadband quantum memory wi…
Experimental Realization of Single-shot Nonadiabatic Holonomic Gates in Nuclear Spins
Hang Li, Guilu Long
Nonadiabatic holonomic quantum computation has received increasing attention due to its robustness against control errors. However, all the previous schemes have to use at least tw…
Enhancing quantum control by bootstrapping a quantum processor of 12 qubits
Dawei Lu, Keren Li, Jun Li +10
Accurate and efficient control of quantum systems is one of the central challenges for quantum information processing. Current state-of-the-art experiments rarely go beyond 10 qubi…
Experimental Study of Forrelation in Nuclear Spins
Hang Li, Xun Gao, Tao Xin +2
Correlation functions are often employed to quantify the relationships among interdependent variables or sets of data. Recently, a new class of correlation functions, called Forrel…
Experimental entanglement-assisted quantum delayed-choice experiment
Tao Xin, Hang Li, Bi-Xue Wang +1
The puzzling properties of quantum mechanics, wave-particle duality, entanglement and superposition, were dissected experimentally at past decades. However, hidden-variable (HV) mo…
Experimental Estimation of Average Fidelity of a Clifford Gate on a 7-qubit Quantum Processor
Dawei Lu, Hang Li, Denis-Alexandre Trottier +8
Quantum gates in experiment are inherently prone to errors that need to be characterized before they can be corrected. Full characterization via quantum process tomography is impra…
Experimental Quantum Hamiltonian Identification from Measurement Time Traces
Shi-yao Hou, Hang Li, Gui-Lu Long
Identifying Hamiltonian of a quantum system is of vital importance for quantum information processing. In this Letter, we realized and benchmarked a quantum Hamiltonian identificat…
Chiral Quantum Walks
DaWei Lu, Jacob D. Biamonte, Jun Li +8
Given its importance to many other areas of physics, from condensed matter physics to thermodynamics, time-reversal symmetry has had relatively little influence on quantum informat…
Experimental realization of post-selected weak measurements on an NMR quantum processor
Dawei Lu, Aharon Brodutch, Jun Li +2
The ability to post-select the outcomes of an experiment is a useful theoretical concept and experimental tool. In the context of weak measurements post-selection can lead to surpr…