| HU, X.M., C. ZHANG, Y. GUO, F.X. WANG, W.B. XING, C.X. HUANG, B.H. LIU, Y.F. HUANG, C.F. LI, G.C. GUO, X.Q. GAO, Matej PIVOLUSKA and M. HUBER. Pathways for Entanglement-Based Quantum Communication in the Face of High Noise. Physical Review Letters. COLLEGE PK: The American Physical Society, 2021, vol. 127, No 11, p. 1-7. ISSN 0031-9007. Available from: https://dx.doi.org/10.1103/PhysRevLett.127.110505. |
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@article{1803835,
author = {Hu, X.M. and Zhang, C. and Guo, Y. and Wang, F.X. and Xing, W.B. and Huang, C.X. and Liu, B.H. and Huang, Y.F. and Li, C.F. and Guo, G.C. and Gao, X.Q. and Pivoluska, Matej and Huber, M.},
article_location = {COLLEGE PK},
article_number = {11},
doi = {http://dx.doi.org/10.1103/PhysRevLett.127.110505},
keywords = {quantum key distribution; entanglement; qudits},
language = {eng},
issn = {0031-9007},
journal = {Physical Review Letters},
title = {Pathways for Entanglement-Based Quantum Communication in the Face of High Noise},
url = {https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.110505},
volume = {127},
year = {2021}
}
TY - JOUR
ID - 1803835
AU - Hu, X.M. - Zhang, C. - Guo, Y. - Wang, F.X. - Xing, W.B. - Huang, C.X. - Liu, B.H. - Huang, Y.F. - Li, C.F. - Guo, G.C. - Gao, X.Q. - Pivoluska, Matej - Huber, M.
PY - 2021
TI - Pathways for Entanglement-Based Quantum Communication in the Face of High Noise
JF - Physical Review Letters
VL - 127
IS - 11
SP - 1-7
EP - 1-7
PB - The American Physical Society
SN - 00319007
KW - quantum key distribution
KW - entanglement
KW - qudits
UR - https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.110505
N2 - Entanglement-based quantum communication offers an increased level of security in practical secret shared key distribution. One of the fundamental principles enabling this security-the fact that interfering with one photon will destroy entanglement and thus be detectable-is also the greatest obstacle. Random encounters of traveling photons, losses, and technical imperfections make noise an inevitable part of any quantum communication scheme, severely limiting distance, key rate, and environmental conditions in which quantum key distribution can be employed. Using photons entangled in their spatial degree of freedom, we show that the increased noise resistance of high-dimensional entanglement can indeed be harnessed for practical key distribution schemes. We perform quantum key distribution in eight entangled paths at various levels of environmental noise and show key rates that, even after error correction and privacy amplification, still exceed 1 bit per photon pair and furthermore certify a secure key at noise levels that would prohibit comparable qubit based schemes from working.
ER -
HU, X.M., C. ZHANG, Y. GUO, F.X. WANG, W.B. XING, C.X. HUANG, B.H. LIU, Y.F. HUANG, C.F. LI, G.C. GUO, X.Q. GAO, Matej PIVOLUSKA and M. HUBER. Pathways for Entanglement-Based Quantum Communication in the Face of High Noise. \textit{Physical Review Letters}. COLLEGE PK: The American Physical Society, 2021, vol.~127, No~11, p.~1-7. ISSN~0031-9007. Available from: https://dx.doi.org/10.1103/PhysRevLett.127.110505.
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