Zobrazeno 1 - 10
of 347
pro vyhledávání: '"Kunchi Peng"'
Deterministic and multiuser quantum teleportation network of continuous-variable polarization states
Publikováno v:
Physical Review Research, Vol 6, Iss 3, p L032062 (2024)
Quantum teleportation is widely applied as a key ingredient in quantum information science, and quantum network provides unique abilities for upscaling its applications. Polarization state of light is a vital degree of freedom with the advantages of
Externí odkaz:
https://doaj.org/article/ea27582570f6467aa1a4ccc812fd3822
Autor:
Jialin Cheng, Shaocong Liang, Jiliang Qin, Jiatong Li, Zhihui Yan, Xiaojun Jia, Changde Xie, Kunchi Peng
Publikováno v:
npj Quantum Information, Vol 10, Iss 1, Pp 1-8 (2024)
Abstract Random numbers are a basic ingredient of simulation algorithms and cryptography, and play a significant part in computer simulation and information processing. One prominent feature of a squeezed light is its lower fluctuation and more rando
Externí odkaz:
https://doaj.org/article/eb9005bdec364ce4ab320ef70889b23b
Publikováno v:
Physical Review Research, Vol 6, Iss 3, p 033036 (2024)
Quantum secret sharing (QSS) has emerged as a promising avenue for storing secret with quantum-enhanced security. However, practical applications are hindered by the challenge for simultaneously implementing high-efficiency, high-security, and high-f
Externí odkaz:
https://doaj.org/article/240b307326e04e8ea5a551aeeddbaaed
Autor:
Lixia Ma, Xing Lei, Jieli Yan, Ruiyang Li, Ting Chai, Zhihui Yan, Xiaojun Jia, Changde Xie, Kunchi Peng
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-6 (2022)
Quantum memories usually suffer from a trade-off between efficiency and excess noise. Here, by exploiting the time-reversal approach for improving modes matching, the authors show a warm-atomic-cell-based cavity-enhanced memory with 67% efficiency an
Externí odkaz:
https://doaj.org/article/60efa893e7e74148b3244edacf953e0a
Autor:
Yang Liu, Kaimin Zheng, Haijun Kang, Dongmei Han, Meihong Wang, Lijian Zhang, Xiaolong Su, Kunchi Peng
Publikováno v:
npj Quantum Information, Vol 8, Iss 1, Pp 1-7 (2022)
Abstract Einstein–Podolsky–Rosen (EPR) steering is one of the most intriguing features of quantum mechanics and an important resource for quantum communication. For practical applications, it remains a challenge to protect EPR steering from decoh
Externí odkaz:
https://doaj.org/article/2453b090dd1a44eaa3c28f494f4ec70a
Publikováno v:
Photonics, Vol 10, Iss 11, p 1217 (2023)
All-solid-state tunable lasers have been widely used in many fields including multi-photon microscopy, time-resolved photoluminescence, atomic physics, and so on owing to their broadband output spectrum range, good beam quality, and low noise. To cov
Externí odkaz:
https://doaj.org/article/136c18213e804d238126fb09ad34b755
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
All-solid-state single-frequency continuous-wave (CW) lasers have been applied in many fields of scientific research owing to their intrinsic advantages of high beam quality, low noise, narrow linewidth, and high coherence. In atom-based applications
Externí odkaz:
https://doaj.org/article/124bc904b62245378f5397a1745a954b
Publikováno v:
npj Quantum Information, Vol 7, Iss 1, Pp 1-8 (2021)
Abstract Einstein–Podolsky–Rosen (EPR) steering is a useful resource for secure quantum information tasks. It is crucial to investigate the effect of inevitable loss and noise in quantum channels on EPR steering. We analyze and experimentally dem
Externí odkaz:
https://doaj.org/article/b24dec531d0f4206a7c1bcf1493101d3
Publikováno v:
Micromachines, Vol 12, Iss 11, p 1426 (2021)
High-power all-solid-state single-frequency continuous-wave (CW) lasers have been applied in basic research such as atomic physics, precision measurement, radar and laser guidance, as well as defense and military fields owing to their intrinsic advan
Externí odkaz:
https://doaj.org/article/eda4218919954207b47071802e1600fd
Autor:
Zhihui Yan, Liang Wu, Xiaojun Jia, Yanhong Liu, Ruijie Deng, Shujing Li, Hai Wang, Changde Xie, Kunchi Peng
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-8 (2017)
Continuous-variable encoding is a promising approach for quantum information and communication networks. Here, the authors show how to map entanglement from three spatial optical modes to three separated atomic samples via electromagnetically induced
Externí odkaz:
https://doaj.org/article/87288a053b6243e797810d169318b60e