CONTINUOUS-VARIABLE QUANTUM KEY DISTRIBUTION PROTOCOLS WITH EIGHT-STATE DISCRETE MODULATION

被引：49

作者：

Becir, A. ^{[1
,2
]}

El-Orany, F. A. A. ^{[2
,3
]}

Wahiddin, M. R. B. ^{[1
,4
]}

机构：

[1] IIUM, Fac Sci, Pahang Darul Makmur, Malaysia

[2] MIMOS Berhad, Adv Anal & Modeling Cluster, Kuala Lumpur 57000, Malaysia

[3] Suez Canal Univ, Fac Sci, Dept Math & Comp Sci, Ismailia, Egypt

[4] IIUM, Fac Informat & Commun Technol, Kuala Lumpur 53100, Malaysia

来源：

INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2012年 / 10卷 / 01期

关键词：

Quantum key distribution; continuous variable; discrete modulation; mutual information; Holevo bound; CAPACITY; STATES; CODES;

D O I：

10.1142/S0219749912500049

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We propose a continuous variable quantum key distribution protocol based on discrete modulation of eight-state coherent states. We present a rigorous security proof against the collective attacks by taking into consideration the realistic lossy and noisy quantum channel, the imperfect detector efficiency, and the detector electronic noise. This protocol shows high tolerance against excess noise and promises to achieve over 100 km distance of optical fiber.

引用

页数：15

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