311 citations · 2.2k across the 37 of their papers we have counts for
25 papers · 1 filter
A high-performance quantum memory for quantum interconnects
H. -X Luo, C. Li, J. -L. Ren +7
Single photons are the flying qubits of choice for distributing entanglement in a quantum internet. Quantum memories embedded in quantum repeaters are crucial to overcome transmiss…
Quantum interference between non-identical single particles
Keyu Su, Yi Zhong, Shanchao Zhang +5
Quantum interference between identical single particles reveals the intrinsic quantum statistic nature of particles, which could not be interpreted through classical physics. Here,…
Approaching the standard quantum limit of a Rydberg-atom microwave electrometer
Hai-Tao Tu, Kai-Yu Liao, Guo-Dong He +7
The development of a microwave electrometer with inherent uncertainty approaching its ultimate limit carries both fundamental and technological significance. Recently, the Rydberg…
Demonstration of the quantum principle of least action with single photons
Yong-Li Wen, Yunfei Wang, Li-Man Tian +5
The principle of least action is arguably the most fundamental principle in physics as it can be used to derive the equations of motion in various branches of physics. However, thi…
Measurement of non-Abelian gauge fields using multi-loop amplification
Qing-Xian Lv, Hong-Zhi Liu, Yan-Xiong Du +7
Non-Abelian gauge field (NAGF) plays a central role in understanding the geometrical and topological phenomena in physics. Here we experimentally induce a NAGF in the degenerate ei…
High efficiency coherent microwave-to-optics conversion via off-resonant scattering
Hai-Tao Tu, Kai-Yu Liao, Zuan-Xian Zhang +6
Quantum transducers that can convert quantum signals from the microwave to the optical domain are a crucial optical interface for quantum information technology. Coherent microwave…
Measurement of spin Chern numbers in quantum simulated topological insulators
Qing-Xian Lv, Yan-Xiong Du, Zhen-Tao Liang +9
The topology of quantum systems has become a topic of great interest since the discovery of topological insulators. However, as a hallmark of the topological insulators, the spin C…
Synchronization and phase shaping of single photons with high-efficiency quantum memory
Keyu Su, Yunfei Wang, Shanchao Zhang +5
Time synchronization and phase shaping of single photons both play fundamental roles in quantum information applications that rely on multi-photon quantum interference. Phase shapi…
Increase the Efficiency of Post-selection in Direct Measurement of Quantum Wave Function
Yong-Li Wen, Shanchao Zhang, Hui Yan +1
Direct weak or strong measurement of quantum wave function has been demonstrated based on the post-selection; however, the efficiency of the measurement is greatly limited by the s…
Selected topics of quantum computing for nuclear physics
Dan-Bo Zhang, Hongxi Xing, Hui Yan +2
Nuclear physics, whose underling theory is described by quantum gauge field coupled with matter, is fundamentally important and yet is formidably challenge for simulation with clas…
Experimental Observation of Tensor Monopoles with a Superconducting Qudit
Xinsheng Tan, Dan-Wei Zhang, Wen Zheng +9
Monopoles play a center role in gauge theories and topological matter. There are two fundamental types of monopoles in physics: vector monopoles and tensor monopoles. Examples of v…
Efficient quantum memory for single photon polarization qubits
Y. Wang, J. Li, S. Zhang +6
A quantum memory, for storing and retrieving flying photonic quantum states, is a key interface for realizing long-distance quantum communication and large-scale quantum computatio…
Microwave electrometry via electromagnetically induced absorption in cold Rydberg atoms
Kai-Yu Liao, Hai-Tao Tu, Shu-Zhe Yang +6
The atom-based traceable standard for microwave electrometry shows promising advantages by enabling stable and uniform measurement. Here we theoretically propose and then experimen…
Einstein-Podolsky-Rosen Energy-Time Entanglement of Narrowband Biphotons
Yefeng Mei, Yiru Zhou, Shanchao Zhang +5
We report the direct characterization of energy-time entanglement of narrowband biphotons produced from spontaneous four-wave mixing in cold atoms. The Stokes and anti-Stokes two-p…
Note on "Experimental Measurement of Quantum Metric Tensor and Related Topological Phase Transition with a Superconducting Qubit"
Yan-Qing Zhu, Dan-Wei Zhang, Xinsheng Tan +4
In the paper [X. Tan et al., Phys. Rev. Lett. 122, 210401 (2019)], we have studied the Euler characteristic number for a two-band model; However, the calculated there is no…
Non-Hermitian Topological Anderson Insulators
Dan-Wei Zhang, Ling-Zhi Tang, Li-Jun Lang +2
Non-Hermitian systems can exhibit unique topological and localization properties. Here we elucidate the non-Hermitian effects on disordered topological systems by studying a non-He…
Experimental Measurement of the Quantum Metric Tensor and Related Topological Phase Transition with a Superconducting Qubit
Xinsheng Tan, Dan-Wei Zhang, Zhen Yang +12
Berry curvature is an imaginary component of the quantum geometric tensor (QGT) and is well studied in many branches of modern physics; however, the quantum metric as a real compon…
-Quench measurement of quantum wavefunction
Shanchao Zhang#, Yiru Zhou#, Yefeng Mei# +7
Measurement of quantum state wavefunction not only acts as a fundamental part in quantum physics but also plays an important role in developing practical quantum technologies. Conv…
Topological Maxwell Metal Bands in a Superconducting Qutrit
Xinsheng Tan, Dan-Wei Zhang, Qiang Liu +6
We experimentally explore the topological Maxwell metal bands by mapping the momentum space of condensed-matter models to the tunable parameter space of superconducting quantum cir…
High efficiency photonic storage of single photons in cold atoms
Jianfeng Li, Yunfei Wang, Shanchao Zhang +4
An efficient quantum storage is highly desired for quantum information processing. As indicated by certain applications, a universal quantum storage is required to have a storage e…
Proposal for implementing universal superadiabatic geometric quantum gates in nitrogen-vacancy centers
Zhen-Tao Liang, Xianxian Yue, Qingxian Lv +4
We propose a feasible scheme to implement a universal set of quantum gates based on geometric phases and superadiabatic quantum control. Consolidating the advantages of both strate…
Experimental realization of stimulated Raman shortcut-to-adiabatic passage with cold atoms
Yan-Xiong Du, Zhen-Tao Liang, Yi-Chao Li +6
Accurate control of a quantum system is a fundamental requirement in many areas of modern science ranging from quantum information processing to high-precision measurements. A sign…
Experimental Observation of Simultaneous Wave and Particle Behaviors in a Narrowband Single Photon's Wave Packe
H. Yan, K. Liao, Z. Deng +4
Light's wave-particle duality is at the heart of quantum mechanics and can be well illustrated by Wheeler's delayed-choice experiment. The choice of inserting or removing the secon…
Subnatural-Linewidth Polarization-Entangled Photon Pairs with Controllable Temporal Length
Kaiyu Liao, Hui Yan, Junyu He +3
We demonstrate an efficient experimental scheme for producing polarization-entangled photon pairs from spontaneous four-wave mixing (SFWM) in a laser-cooled Rb atomic ensemb…