75 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Peking UniversityCN146 papers
- University of Chinese Academy of SciencesCN132 papers
- University of Science and Technology of ChinaCN129 papers
- Tsinghua UniversityCN128 papers
- Shanghai Jiao Tong UniversityCN127 papers
- Nanjing UniversityCN125 papers
- Shandong Normal UniversityCN123 papers
- Sichuan UniversityCN123 papers
- Fudan UniversityCN122 papers
- Zhejiang UniversityCN122 papers
- Beihang UniversityCN121 papers
- Institute of Modern PhysicsCN121 papers
58 papers · 1 filter
Rydberg-Mediated Nonlinear Quantum Optics
Yun-Hui He, Chang-Cheng Li, Xu Shen +5
Rydberg atoms have emerged as a versatile platform for quantum optics due to their exaggerated properties, particularly their strong long-range interactions, which enable a new reg…
Enhanced quantum metrology by criticality-assisted noncommutative preparation
Ningxin Kong, Matteo G. A. Paris, Qiongyi He
Quantum criticality is a resource for quantum-enhanced metrology, but existing schemes face intrinsic limitations. These arise because using criticality directly in the encoding dy…
Accelerated Rydberg electromagnetically induced transparency quantum memory via shortcuts to adiabaticity
Y. Wei, Changcheng Li, Y. M. Liu +3
Electromagnetically induced transparency (EIT) enables coherent light-matter storage, forming the basis of photonic quantum memories that are essential for scalable quantum network…
Comment on "Aharonov-Bohm Phase is Locally Generated Like All Other Quantum Phases"
Shan Gao
Marletto and Vedral [Phys. Rev. Lett. 125, 040401 (2020)] propose that the Aharonov-Bohm (AB) phase is locally mediated by entanglement between a charged particle and the quantized…
High-efficiency loading of 2,400 Ytterbium atoms in optical tweezer arrays
Jiawen Zhu, Changfeng Chen, Li Zhou +10
Neutral atom arrays have emerged as a powerful platform for quantum computation, simulation, and metrology.Among them, alkaline-earth-like atoms exhibit distinct advantages, includ…
Non-commutativity as a Universal Characterization for Enhanced Quantum Metrology
Ningxin Kong, Haojie Wang, Mingsheng Tian +4
A central challenge in quantum metrology is to effectively harness quantum resources to surpass classical precision bounds. Although recent studies suggest that the indefinite caus…
Entanglement Phase Transition in Chaotic non-Hermitian Systems
Zhen-Tao Zhang, Feng Mei
We study an entanglement phase transition in a class of chaotic non-Hermitian spin chains whose spin-spin coupling terms commute with the non-Hermitian contributions. Two represent…
Witnessing genuine multipartite entanglement in phase space with controlled Gaussian unitaries
Lin Htoo Zaw, Jiajie Guo, Qiongyi He +2
Many existing genuine multipartite entanglement (GME) witnesses for continuous-variable (CV) quantum systems typically rely on quadrature measurements, which are challenging to imp…
Sufficient Wigner Negativity Implies Genuine Multipartite Entanglement
Lin Htoo Zaw, Jiajie Guo, Qiongyi He +2
Wigner negativity and genuine multipartite entanglement (GME) are key nonclassical resources that enable computational advantages and broader quantum-information tasks. In this wor…
Entanglement manifestation of knot topology in a non-Hermitian lattice
Guoying Zhang, Li Wang, Shu Chen
Although the homotopy-knot theory has been utilized to implement effective topological classification for non-Hermitian systems, the physical implications underlying distinct knot…
High-Performance Fully Passive Discrete-State Continuous-Variable Quantum Key Distribution With Local Local Oscillator
Yu Zhang, Xuyang Wang, Chenyang Li +5
We propose and demonstrate a fully passive discrete-state continuous-variable quantum key distribution (CV-QKD), which can eliminate all modulator side channels on the source side,…
Reservoir-engineered squeezed lasing through the parametric coupling
Yuhang Tian, Yajun Wang, Weijie Wang +5
We report the first experimental demonstration of squeezed lasing in a reservoir-engineered optical parametric oscillator (OPO). The OPO provides a basis of squeezed states and par…
Topological Phase Transitions and Edge-State Transfer in Time-Multiplexed Quantum Walks
Huimin Wang, Zhihao Xu, Zhijian Li
We investigate the topological phase transitions and edge-state properties of a time-multiplexed nonunitary quantum walk with sublattice symmetry. By constructing a Floquet operato…
Variational-toolbox-based separability detection of multiqubit states
Jin-Min Liang, Shao-Ming Fei, Qiongyi He
Parametrized quantum circuits (PQCs) are crucial in variational quantum algorithms. While it is commonly believed that the optimal PQC is solely used to reproduce the target state,…
Reciprocal Floquet thermalization in one-dimensional Rydberg atom array
Yunhui He, Yuechun Jiao, Jianming Zhao +1
Periodically driven Floquet quantum systems hold great promise for engineering exotic quantum phases and matter, but are often limited by rapid thermalization. In this work, we pro…
Scalable and modular generation of multipartite entangled states through memory-enhanced fusion
Jixuan Shi, Sheng Zhang, Yukai Wu +5
Efficient generation of large-scale multipartite entangled states is a critical but challenging task in quantum information processing. Although generation of multipartite entangle…
Realizing exceptional points by Floquet dissipative couplings in thermal atoms
Zimo Zhang, Fengbo Zhang, Zhongxiao Xu +3
Exceptional degeneracies and generically complex spectra of non-Hermitian systems are at the heart of numerous phenomena absent in the Hermitian realm. Recently, it was suggested t…
Postselection-Free Cavity-Enhanced Narrow-Band Orbital Angular Momentum Entangled Photon Source
Pei Wan, Wen-Zheng Zhu, Yan-Chao Lou +5
Cavity-enhanced spontaneous parametric down-conversion (SPDC) provides a significant way to produce 10 MHz narrow-band photon pairs, which matches the bandwidth of photon for…
Anomalous Point-Gap Interactions Unveil the Mirage Bath
Yue Sun, Tao Shi, Ying Hu
Non-Hermitian topology has revolutionized our understanding of energy gaps and band topology, unveiling phases that do not exist within the Hermitian framework. Nonetheless, its fu…
Uncertainty relations between quantum Fisher information and entanglement monotones
Shaowei Du, Shuheng Liu, Matteo Fadel +2
Entanglement is widely regarded as an essential resource for a number of tasks and can in some cases be quantified by figures of merit related to those tasks. In quantum metrology,…
Experimental certification of high-dimensional entanglement with randomized measurements
Ohad Lib, Shuheng Liu, Ronen Shekel +4
High-dimensional entangled states offer higher information capacity and stronger resilience to noise compared with two-dimensional systems. However, the large number of modes and s…
Single photonic qutrit in a collective Rydberg polariton
Yuechun Jiao, Oliver D. W. Hughes, Max Z. Festenstein +5
We report on the coherent creation, control and read-out of a single photonic qutrit in a Rydberg ensemble. In each measurement, an optical photon is stored as a Rydberg polariton…
Many-body nonequilibrium dynamics in a self-induced Floquet system
Yuechun Jiao, Yu Zhang, Jingxu Bai +5
Floquet systems are periodically driven systems. In this framework, the system Hamiltonian and associated spectra of interest are modified, giving rise to new quantum phases of mat…
Real randomized measurements for analyzing properties of quantum states
Jin-Min Liang, Satoya Imai, Shuheng Liu +3
Randomized measurements are useful for analyzing quantum systems especially when quantum control is not fully perfect. However, their practical realization typically requires multi…