Jin‐Shi Xu

Engineering Dirac points with hybrid photonic synthetic dimensions in a cavity

Mu Yang, Xian-Hao Wei, Xi-Wang Luo, Jin‐Shi Xu et autres

Synthetic dimensions provide a powerful route for engineering topological matter beyond the constraints of real-space geometry, with enhanced tunability and measurement accessibility. Here, we implement two independent and extended synthetic dimensions based on photonic frequency and orbital angular momentum (OAM) in a …

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Room-Temperature Storage of Entanglement in a Silicon Carbide Quantum Node

Anonymous, Rui-Jian Liang, Qi‐Cheng Hu, Zhen-Xuan He et autres

Robust entanglement at room temperature is a central challenge for solid-state quantum information processing and quantum-enhanced sensing. Here we demonstrate room-temperature storage of entanglement in a silicon carbide (SiC) quantum node by coherently transferring an electron-nuclear entangled state onto long-lived nuclear-spin memory …

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Observation of Non-Hermitian Spectral Deformation in Complex Momentum Space

Mu Yang, Yue Li, Mingtao Xu, Wei Yi et autres

Open systems feature a variety of phenomena that arise from non-Hermitian physics. Recent theoretical studies have offered many insights into these phenomena through the non-Bloch band theory, though many of the theory's key features are experimentally elusive. In particular, the correspondence between …

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A hybrid-frequency programmable synthetic-dimension simulator with rich coupling on a single chip

Xiao-Dong Zeng, Zhao-An Wang, Jia-Ming Ren, Yi‐Tao Wang et autres

High-performance photonic chips provide a powerful platform for analog computing, enabling the simulation of high-dimensional physical systems using low-dimensional devices with additional synthetic dimensions. The realization of large-scale complex simulations necessitates an architecture capable of rich coupling configurations (encompassing symmetric, asymmetric and …

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Charge-State Control of Modified Divacancies in Silicon Carbide

Wu-Xi Lin, Qi‐Cheng Hu, Zhi-He Hao, Zhen-Xuan He et autres

Modified divacancies in silicon carbide are promising candidates for single-photon emitters and spin qubits. Understanding and controlling their charge states are crucial for quantum information applications. Here, we demonstrate deterministic charge-state control of modified divacancies in 4H polytype silicon carbide. By employing …

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Coherent Spin-Photon Interface of single PL6 Color Centers in Silicon Carbide

Zhen-Xuan He, Gergő Thiering, Rui-Jian Liang, Ji-Yang Zhou et autres

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 largely unexplored. Here we present a comprehensive investigation of single PL6 centers, combining spectroscopy with theoretical analysis. …

Coherent Spin-Photon Interface of single PL6 Color Centers in Silicon Carbide

Zhen-Xuan He, Gergő Thiering, Rui-Jian Liang, Ji-Yang Zhou et autres

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 largely unexplored. Here we present a comprehensive investigation of single PL6 centers, combining spectroscopy with theoretical analysis. …

Decoherence-protected entangling gates in a silicon carbide quantum node

Shuo Ren, Rui-Jian Liang, Zhen-Xuan He, Ji-Yang Zhou et autres

Solid-state color centers are promising candidates for nodes in quantum network architectures. However, realizing scalable and fully functional quantum nodes, comprising both processor and memory qubits with high-fidelity universal gate operations, remains a central challenge in this field. Here, we demonstrate a …

Decoherence-protected entangling gates in a silicon carbide quantum node

Shuo Ren, Rui-Jian Liang, Zhen-Xuan He, Ji-Yang Zhou et autres

Solid-state color centers are promising candidates for nodes in quantum network architectures. However, realizing scalable and fully functional quantum nodes, comprising both processor and memory qubits with high-fidelity universal gate operations, remains a central challenge in this field. Here, we demonstrate a …

cn (code pays fourni par la source)

Experimental Observation of Spin Defects in the van der Waals Material GeS 2

Wei Liu, Song Li, Nai‐Jie Guo, Xiaodong Zeng et autres

Spin defects in atomically thin two-dimensional (2D) materials are promising for quantum applications, particularly quantum sensing. The long coherence times of the spin defects enable high sensitivity in measurements of the fluctuations of the targeted physical parameters. However, the nuclear-spin bath remains …

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Non-invasive bioinert room-temperature quantum sensor from silicon carbide qubits

Pei Li, Ji-Yang Zhou, Song Li, Péter Udvarhelyi et autres

Room-temperature shallow defect spin qubits acting as a quantum sensor with favourable properties towards the biological environment are sought after, with promising impacts on bioimaging, radical detection and nanoscale nuclear spin sensing. Here we show that alkene-terminated silicon carbide hosting divacancy qubits …

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A hybrid-frequency on-chip programmable synthetic-dimension simulator with arbitrary couplings

Jian‐Shun Tang, Xiaodong Zeng, Zhaoan Wang, Yi‐Tao Wang et autres

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