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Proceedings Paper

Hyper-entanglement preservation in quantum optical circuits
Author(s): Vladimir Nikulin
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Paper Abstract

Secure optical data links can be implemented using quantum communication (QC) protocols that offer physical-layer encryption without the mathematical complexity of traditional cryptography. Data encoding can be achieved using polarization entanglement and it is further proposed to obtain additional degrees of freedom for each single particle quantum state by using hyper-entanglement. For example, multiple carrier signals arriving at the same time can be assigned specific frequencies in the 100 GHz International Telecommunication Union (ITU) grid and be processed simultaneously by a receiver that uses a hyperspectral quantum optical circuit. In this paper, we address preservation of hyper-entanglement as the signals propagate through optical components of the quantum circuits and encounter their realistic properties.

Paper Details

Date Published: 24 April 2018
PDF: 3 pages
Proc. SPIE 10712, Optical Manipulation Conference, 107121V (24 April 2018); doi: 10.1117/12.2319446
Show Author Affiliations
Vladimir Nikulin, State Univ. of New York (United States)


Published in SPIE Proceedings Vol. 10712:
Optical Manipulation Conference
Takashige Omatsu; Hajime Ishihara; Keiji Sasaki, Editor(s)

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