Mixed basis quantum key distribution with linear optics

被引：3

作者：

Pavicic, Mladen ^{[1
,2
]}

Benson, Oliver ^{[1
]}

Schell, Andreas W. ^{[3
]}

Wolters, Janik ^{[4
]}

机构：

[1] Humboldt Univ, Nanoopt Math Nat Fak, Dept Phys, Berlin, Germany

[2] Rudjer Boskovic Inst, Ctr Excellence Adv Mat & Sensing Devices CEMS, Photon & Quantum Opt Unit, Zagreb, Croatia

[3] Kyoto Univ, Dept Elect Sci & Engn, Nishikyo Ku, Kyoto, Japan

[4] Univ Basel, Dept Phys, Basel, Switzerland

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 20期

关键词：

PING-PONG; COMMUNICATION PROTOCOL; SECURITY; INTERFEROMETRY; PHOTONS;

D O I：

10.1364/OE.25.023545

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Two-qubit quantum codes have been suggested to obtain better efficiency and higher loss tolerance in quantum key distribution. Here, we propose a two-qubit quantum key distribution protocol based on a mixed basis consisting of two Bell states and two states from the computational basis. All states can be generated from a single entangled photon pair resource by using local operations on only one auxiliary photon. Compared to other schemes it is also possible to deterministically discriminate all states using linear optics. Additionally, our protocol can be implemented with today's technology. When discussing the security of our protocol we find a much improved resistance against certain attacks as compared to the standard BB84 protocol. (C) 2017 Optical Society of America

引用

页码：23545 / 23555

页数：11

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