141 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Science and Technology of ChinaCN68 papers
- CAS Key Laboratory of Quantum Information, USTCCN29 papers
- Chinese Academy of SciencesCN21 papers
- University at Buffalo, State University of New YorkUS10 papers
- Institute of MicroelectronicsCN9 papers
- CAS Key Laboratory of Urban Pollutant ConversionCN8 papers
- University of California, Los AngelesUS7 papers
- Institute of PhysicsPL6 papers
- Beijing Academy of Science and TechnologyCN4 papers
- Ocean University of ChinaCN4 papers
- QuantumCTek (China)CN4 papers
- Hefei UniversityCN3 papers
30 papers · 1 filter
Electric-field independent spin-orbit coupling gap in hBN-encapsulated bilayer graphene
Fang-Ming Jing, Zhen-Xiong Shen, Guo-Quan Qin +8
The weak spin-orbit coupling (SOC) in bilayer graphene (BLG) is essential for encoding spin qubits while bringing technical challenges for extracting the opened small SOC gap Δ_SO…
Switching spin filling sequence in a bilayer graphene quantum dot through trigonal warping
Guo-Quan Qin, Fang-Ming Jing, Tian-Yue Hao +5
We demonstrate a switchable electron shell structure in a bilayer graphene quantum dot by manipulating the trigonal warping effect upon electrical gating. Under a small perpendicul…
Highly tunable 2D silicon quantum dot array with coupling beyond nearest neighbors
Ning Wang, Jia-Min Kang, Wen-Long Lu +6
Scaling up quantum dots to two-dimensional (2D) arrays is a crucial step for advancing semiconductor quantum computation. However, maintaining excellent tunability of quantum dot p…
Pursuing high-fidelity control of spin qubits in natural Si/SiGe quantum dot
Ning Wang, Shao-Min Wang, Run-Ze Zhang +6
Electron spin qubits in silicon are a promising platform for fault-tolerant quantum computing. Low-frequency noise, including nuclear spin fluctuations and charge noise, is a prima…
A diverse set of two-qubit gates for spin qubits in semiconductor quantum dots
Ming Ni, Rong-Long Ma, Zhen-Zhen Kong +11
To realize large-scale quantum information processes, an ideal scheme for two-qubit operations should enable diverse operations with given hardware and physical interaction. Howeve…
Tunable p-n junction barriers in few-electron bilayer graphene quantum dots
Fang-Ming Jing, Guo-Quan Qin, Zhuo-Zhi Zhang +2
Graphene quantum dots provide promising platforms for hosting spin, valley, or spin-valley qubits. Taking advantage of the electrically generated band gap and the ambipolar nature,…
Coupling of hole double quantum dot in planar germanium to a microwave cavity
Yuan Kang, Zong-Hu Li, Zhen-Zhen Kong +10
In recent years, notable progress has been made in the study of hole qubits in planar germanium, and circuit quantum electrodynamics (circuit QED) has emerged as a promising approa…
A SWAP Gate for Spin Qubits in Silicon
Ming Ni, Rong-Long Ma, Zhen-Zhen Kong +13
With one- and two-qubit gate fidelities approaching the fault-tolerance threshold for spin qubits in silicon, how to scale up the architecture and make large arrays of spin qubits…
Single spin qubit geometric gate in a silicon quantum dot
Rong-Long Ma, Ao-Ran Li, Chu Wang +11
Preserving qubit coherence and maintaining high-fidelity qubit control under complex noise environment is an enduring challenge for scalable quantum computing. Here we demonstrate…
Singlet-triplet-state readout in silicon-metal-oxide-semiconductor double quantum dots
Rong-Long Ma, Sheng-Kai Zhu, Zhen-Zhen Kong +9
High-fidelity singlet-triplet state readout is essential for large-scale quantum computing. However, the widely used threshold method of comparing a mean value with the fixed thres…
Correcting on-chip distortion of control pulses with silicon spin qubits
Ming Ni, Rong-Long Ma, Zhen-Zhen Kong +10
Pulse distortion, as one of the coherent error sources, hinders the characterization and control of qubits. In the semiconductor quantum dot system, the distortions on measurement…
Ultrafast and Electrically Tunable Rabi Frequency in a Germanium Hut Wire Hole Spin Qubit
He Liu, Ke Wang, Fei Gao +9
Hole spin qubits based on germanium (Ge) have strong tunable spin orbit interaction (SOI) and ultrafast qubit operation speed. Here we report that the Rabi frequency (f_Rabi) of a…
Probing two driven double quantum dots strongly coupled to a cavity
Si-Si Gu, Sigmund Kohler, Yong-Qiang Xu +8
We experimentally and theoretically study a driven hybrid circuit quantum electrodynamics (cQED) system beyond the dispersive coupling regime. Treating the cavity as part of the dr…
Sliding nanomechanical resonators
Yue Ying, Zhuo-Zhi Zhang, Joel Moser +3
The motion of a vibrating object is determined by the way it is held. This simple observation has long inspired string instrument makers to create new sounds by devising elegant st…
Flopping-mode spin qubit in a Si-MOS quantum dot
Rui-Zi Hu, Rong-Long Ma, Ming Ni +8
Spin qubits based on silicon metal-oxide semiconductor (Si-MOS) quantum dots (QDs) are promising platforms for large-scale quantum computers. To control spin qubits in QDs, electri…
An automated approach for consecutive tuning of quantum dot arrays
Hanwei Liu, Baochuan Wang, Ning Wang +5
Recent progress has shown that the dramatically increased number of parameters has become a major issue in tuning of multi-quantum dot devices. The complicated interactions between…
Gate-Tunable Spin-Orbit Coupling in a Germanium Hole Double Quantum Dot
He Liu, Ting Zhang, Ke Wang +10
Hole spins confined in semiconductor quantum dot systems have gained considerable interest for their strong spin-orbit interactions (SOIs) and relatively weak hyperfine interaction…
Gate-Controlled Quantum Dots Based on Two-Dimensional Materials
Fang-Ming Jing, Zhuo-Zhi Zhang, Guo-Quan Qin +5
Two-dimensional (2D) materials are a family of layered materials exhibiting rich exotic phenomena, such as valley-contrasting physics. Down to single-particle level, unraveling fun…
Full tunability and quantum coherent dynamics of a driven multilevel system
Yuan Zhou, Sisi Gu, Ke Wang +5
Tunability of an artificial quantum system is crucial to its capability to process quantum information. However, tunability usually poses significant demand on the design and fabri…
Microwave-resonator-detected excited-state spectroscopy of a double quantum dot
Ming-Bo Chen, Shun-Li Jiang, Ning Wang +6
As an application in circuit quantum electrodynamics (cQED) coupled systems, superconducting resonators play an important role in high-sensitivity measurements in a superconducting…
Anisotropic g-Factor and Spin-Orbit Field in a Ge Hut Wire Double Quantum Dot
Ting Zhang, He Liu, Fei Gao +9
Holes in nanowires have drawn significant attention in recent years because of the strong spin-orbit interaction, which plays an important role in constructing Majorana zero modes…
Controlling Synthetic Spin-Orbit Coupling in a Silicon Quantum Dot with Magnetic Field
Xin Zhang, Yuan Zhou, Rui-Zi Hu +12
Tunable synthetic spin-orbit coupling (s-SOC) is one of the key challenges in various quantum systems, such as ultracold atomic gases, topological superconductors, and semiconducto…
Floquet state depletion in ac-driven circuit QED
Ming-Bo Chen, Bao-Chuan Wang, Sigmund Kohler +9
We perform Floquet spectroscopy in a GaAs double quantum dot system coupled to a high-impedance superconducting resonator. By applying microwave induced consecutive passages under…
Ultrafast coherent control of a hole spin qubit in a germanium quantum dot
Ke Wang, Gang Xu, Fei Gao +13
Operation speed and coherence time are two core measures for the viability of a qubit. Strong spin-orbit interaction (SOI) and relatively weak hyperfine interaction make holes in g…