106 citations · 251 across the 42 of their papers we have counts for
37 papers · 1 filter
Room-Temperature Storage of Entanglement in a Silicon Carbide Quantum Node
Shuo Ren, Rui-Jian Liang, Qi-Cheng Hu +8
Robust entanglement at room temperature is a central challenge for solid-state quantum information processing and quantum-enhanced sensing. Here we demonstrate room-temperature sto…
Bell nonlocality with directly generated telecom-band spin-photon entanglement
Dong-Yu Huang, Jian Wang, Xiao-Long Zhou +8
Quantum nonlocality, typically revealed through entanglement distribution across quantum networks, is a cornerstone of quantum information science. Long-distance distribution of en…
Loss and distinguishability effects in heralded entangled state generation with Gaussian resources
Yun-Long Cao, Xiao-Ye Xu, Wiwittawin Sukmas +2
The effects of optical loss and photon distinguishability on the heralded generation of entangled states based on Gaussian resources are quantitatively investigated. By incorporati…
Integrated time-bin entangled quantum light source on a 4H-SiC microring chip
Hong Zeng, Bing-Cheng Yang, Yun-Ru Fan +16
Integrated time-bin-entangled photon-pair source with cavity-enhanced nonlinear optical processes is essential for quantum information technologies. However, microcavities with a h…
Experimental observation of entropic-singularity-induced nonadditive quantum communication in a qutrit platypus channel
Yu Guo, Bo-Xuan Wang, Xiao-Min Hu +4
The nonadditivity of channel capacity is a defining feature that distinguishes quantum communication from classical communication. In the quantum realm, the channel capacity is det…
Coherent Spin-Photon Interface of single PL6 Color Centers in Silicon Carbide
Zhen-Xuan He, Gergő Thiering, Rui-Jian Liang +10
The PL6 color center in silicon carbide has recently emerged as a promising platform for quantum information processing, yet its coherent spin--photon interface has remained largel…
Decoherence-protected entangling gates in a silicon carbide quantum node
Shuo Ren, Rui-Jian Liang, Zhen-Xuan He +8
Solid-state color centers are promising candidates for nodes in quantum network architectures. However, realizing scalable and fully functional quantum nodes, comprising both proce…
Heralded entangled state generation enhanced by photon addition and subtraction
Yun-Long Cao, Xiao-Ye Xu, Chuan-Feng Li +1
We propose a heralded entanglement generation scheme based on Gaussian sources enhanced by photon addition and subtraction operations. By combining single-mode squeezing, linear in…
3D imaging of the biphoton spatiotemporal wave packet
Yang Xue, Ze-Shan He, Hao-Shu Tian +6
Photons are among the most important carriers of quantum information owing to their rich degrees of freedom (DoFs), including various spatiotemporal structures. The ability to char…
Informationally Complete Distributed Metrology Without a Shared Reference Frame
Hua-Qing Xu, Gong-Chu Li, Xu-Song Hong +6
In quantum information processing, implementing arbitrary preparations and measurements on qubits necessitates precise information to identify a specific reference frame (RF). In s…
Measuring Mixed-State Topological Invariant in Open Photonic Quantum Walk
Qin-Qin Wang, Xiao-Ye Xu, Yong-Jian Han +2
Pure-state manifestations of geometric phase are well established and have found applications across essentially all branches of physics, yet their generalization to mixed-state re…
Boosting Gaussian Boson Sampling using Optical Parametric Amplification Networks
Yukuan Zhao, Xiao-Ye Xu, Chuan-Feng Li +1
Gaussian Boson Sampling (GBS) provides a route toward demonstrating quantum computational advantage. However, optical loss, which reduces the entanglement in the system, can render…
Minute-Scale Photonic Quantum Memory
You-Cai Lv, Yu-Jia Zhu, Zong-Quan Zhou +2
Long-lived storage of single photons is a fundamental requirement for enabling quantum communication and foundational tests of quantum physics over extended distances. While the im…
Observation of Non-Hermitian Spectral Deformation in Complex Momentum Space
Mu Yang, Yue Li, Mingtao Xu +4
Open systems feature a variety of phenomena that arise from non-Hermitian physics. Recent theoretical studies have offered much insights into these phenomena through the non-Bloch…
Efficient integrated quantum memory for light
Ruo-Ran Meng, Pei-Xi Liu, Xiao Liu +10
Scalable implementation of quantum networks and photonic processors require integrated photonic memories with high efficiency, yet current integrated systems have been limited to s…
High-yield engineering and identification of oxygen-related modified divacancies in 4H-SiC
Qi-Cheng Hu, Ji-Yang Zhou, Shuo Ren +9
Modified divacancies in the 4H polytype of silicon carbide (SiC) exhibit enhanced charge stability and spin addressability at room temperature, making them attractive for quantum a…
Design and Fabrication of Metal-Shielded Fiber-Cavity Mirrors for Ion-Trap Systems
Wei-Bin Chen, Ding Fang, Cheng-Hao Zhang +4
Trapped ions in micro-cavities constitute a key platform for advancing quantum information processing and quantum networking. By providing an efficient light-matter interface withi…
Implementation of multiparticle quantum speed limits on observables
Rui-Heng Miao, Zhao-Di Liu, Chen-Xi Ning +4
The energy-time uncertainty relation limits the maximum speed of quantum system evolution and is crucial for determining whether quantum tasks can be accelerated. However, multipar…
Experimental investigation of uncertainty relations for non-Hermitian operators
Xinzhi Zhao, Xinglei Yu, Wenting Zhou +4
Uncertainty relations for Hermitian operators have been confirmed through many experiments. However, previous experiments have only tested the special case of non-Hermitian operato…
High-fidelity realisation of CNOT gate in Majorana-based optical platform
Jia-Kun Li, Kai Sun, Ze-Yan Hao +7
We present the experimental realisation of a robust CNOT quantum gate using Majorana zero modes simulated on a photonic platform. Three Kitaev chains supporting Majorana zero modes…
Nonlinear-linear duality for multipath quantum interference
Yi Zheng, Jin-Shi Xu, Chuan-Feng Li +1
In quantum optics, the postselection amplitude of a nondegenerate parametric down-conversion (PDC) process is linked to a beamsplitter (BS) via partial time reversal, up to a norma…
A millisecond integrated quantum memory for photonic qubits
Yu-Ping Liu, Zhong-Wen Ou, Tian-Xiang Zhu +6
Quantum memories for light are essential building blocks for quantum repeaters and quantum networks. Integrated operations of quantum memories could enable scalable application wit…
Position-correlated biphoton wavefront sensing for quantum adaptive imaging
Yi Zheng, Zhao-Di Liu, Jian-Shun Tang +3
Quantum imaging with spatially entangled photons offers advantages such as enhanced spatial resolution, robustness against noise, and counter-intuitive phenomena, while a biphoton…
Experimental Certification of Quantum Measurements with Maximally Mixed States
Jia-He Liang, Ze-Yan Hao, Jia-Kun Li +6
So far, certifying quantum devices from their input-output statistics, under minimal assumptions, required the preparation of specific pure quantum states. Recently, Xu et al. [Phy…