NDLI: High-Capacity Quantum Summation with Single Photons in Both Polarization and Spatial-Mode Degrees of Freedom

Content Provider	Springer Nature Link
Author	Zhang, Cai Sun, Zhiwei Huang, Yi Long, Dongyang
Copyright Year	2013
Abstract	In this paper, we employ single photons in both polarization and spatial-mode degrees of freedom to design a quantum summation protocol. We assume that the third party, i.e. TP, is semi-honest in our protocol. That TP is semi-honest means TP executes the protocol loyally, keeps a record of all its intermediate computations and might try to steal the participants’ private inputs from the record, but he cannot be corrupted by the adversary. Participants can independently encode their private inputs on the polarization states and the spatial-mode states of single photons. Thus our protocol doubles the capacity of quantum communication compared with those based on single photons with only one degree of freedom. In addition, our protocol is feasible as the preparation and the measurement of single-photon quantum states in both the polarization and the spatial-mode degrees of freedom are available with current quantum techniques. We also analyze its security in this paper.
Starting Page	933
Ending Page	941
Page Count	9
File Format	PDF
ISSN	00207748
Journal	International Journal of Theoretical Physics
Volume Number	53
Issue Number	3
e-ISSN	15729575
Language	English
Publisher	Springer US
Publisher Date	2013-10-31
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Quantum summation Two degrees of freedom Single photons High-capacity Physics Quantum Physics Elementary Particles, Quantum Field Theory Theoretical, Mathematical and Computational Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mathematics

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