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Quantum Information and Computation. [PDF]

Entropy (Basel), 2023
Quantum technology can break through the bottleneck of traditional information technology by ensuring information security, speeding up computation, improving measurement accuracy, and providing revolutionary solutions to some issues of economic and ...
Fei SM, Li M, Luo S.
europepmc   +6 more sources

ZAP: Zoned Architecture and Performant Compiler for Field-Programmable Atom Array

IEEE Transactions on Quantum Engineering
The scalability of neutral-atom quantum computing is increasingly limited by a compiler–architecture challenge: logical circuits must be mapped onto dynamically reconfigurable atom arrays while controlling crosstalk, transport overhead, and ...
Chen Huang, Xi Zhao, Hongze Xu, Wei-feng Zhuang, Meng-Jun Hu, Dong E. Liu, Jingbo Wang   +6 more
doaj   +1 more source

Self-induced optical non-reciprocity

Light: Science & Applications
Non-reciprocal optical components are indispensable in optical applications, and their realization without any magnetic field has attracted increasing research interest in photonics.
Zhu-Bo Wang, Yan-Lei Zhang, Xin-Xin Hu, Guang-Jie Chen, Ming Li, Peng-Fei Yang, Xu-Bo Zou, Peng-Fei Zhang, Chun-Hua Dong, Gang Li, Tian-Cai Zhang, Guang-Can Guo, Chang-Ling Zou   +12 more
doaj   +1 more source

Spatially modulated thermal light in atomic medium for enhanced ghost imaging

Scientific Reports, 2017
Recent years have seen vast progress in image modulation based on atomic media, with potential applications in both classical optical imaging and quantum imaging regions.
Mingtao Cao, Jinwen Wang, Xin Yang, Shuwei Qiu, Hong Gao, Fuli Li   +5 more
doaj   +1 more source

Observation of the exceptional point in cavity magnon-polaritons

Nature Communications, 2017
Strong coupling between magnons and photons allows coupling of magnongs to qubits, suggesting that magnon-polaritons could find applications in quantum information. Here, Zhang et al.
Dengke Zhang, Xiao-Qing Luo, Yi-Pu Wang, Tie-Fu Li, J. Q. You   +4 more
doaj   +1 more source

Quantum tomography of a third-order exceptional point in a dissipative trapped ion

Nature Communications
Hermiticity in quantum mechanics ensures the reality of energies, while parity-time symmetry offers an alternative route. Interestingly, in a three-level system, parity-time symmetry-breaking can lead to third-order exceptional points with distinctive ...
Y.-Y. Chen, K. Li, L. Zhang, Y.-K. Wu, J.-Y. Ma, H.-X. Yang, C. Zhang, B.-X. Qi, Z.-C. Zhou, P.-Y. Hou, Y. Xu, L.-M. Duan   +11 more
doaj   +1 more source

Superior frequency stability and long-lived state-swapping in cubic-SiC mechanical mode pairs

npj Quantum Information
The multimode cavity optomechanical system offers versatile applications, including state transduction, coherent interconnection, and many-body simulations.
Huanying Sun, Yanlin Chen, Qichun Liu, Haihua Wu, Yuqing Wang, Tiefu Li, Yulong Liu   +6 more
doaj   +1 more source

Theory-independent monitoring of the decoherence of a superconducting qubit with generalized contextuality

Nature Communications
Characterizing the nonclassicality of quantum systems under minimal assumptions is an important challenge for quantum foundations and technology. Here we introduce a theory-independent method of process tomography and perform it on a superconducting ...
Albert Aloy, Matteo Fadel, Thomas D. Galley, Caroline L. Jones, Markus P. Müller   +4 more
doaj   +1 more source

Quantum Zeno effect in the spatial evolution of a single atom

Nature Communications
The quantum Zeno effect (QZE) reveals that frequent measurements can suppress quantum evolution; however, the impact of measurements on the real-space motion of a single atom remains insufficiently explored experimentally.
Zheng-Yuan Zhang, Han-Chao Chen, Xin Liu, Li-Hua Zhang, Bang Liu, Shi-Yao Shao, Jun Zhang, Qi-Feng Wang, Qing Li, Yu Ma, Tian-Yu Han, Ya-Jun Wang, Dong-Yang Zhu, Jia-Dou Nan, Yi-Ming Yin, Qiao-Qiao Fang, Dong-Sheng Ding, Bao-Sen Shi   +17 more
doaj   +1 more source

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

Light: Science & Applications
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.
Xiao-Dong Zeng, Zhao-An Wang, Jia-Ming Ren, Yi-Tao Wang, Chun Ao, Wei Liu, Nai-Jie Guo, Lin-Ke Xie, Jun-You Liu, Yu-Hang Ma, Ya-Qi Wu, Shuang Wang, Pei-Yun Li, Mu Yang, Jin-Shi Xu, Xi-Wang Luo, Jian-Shun Tang, Chuan-Feng Li, Guang-Can Guo   +18 more
doaj   +1 more source