Free-space quantum key distribution to a moving receiver

被引：78

作者：

Bourgoin, Jean-Philippe ^{[1
,2
]}

Higgins, Brendon L. ^{[1
,2
]}

Gigov, Nikolay ^{[1
,2
]}

Holloway, Catherine ^{[1
,2
]}

Pugh, Christopher J. ^{[1
,2
]}

Kaiser, Sarah ^{[1
,2
]}

Cranmer, Miles ^{[1
,2
]}

Jennewein, Thomas ^{[1
,2
,3
]}

机构：

[1] Univ Waterloo, Inst Quantum Comp, Waterloo, ON N2L 3G1, Canada

[2] Univ Waterloo, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

[3] Canadian Inst Adv Res, Quantum Informat Sci Program, Toronto, ON, Canada

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 26期

基金：

加拿大自然科学与工程研究理事会;

关键词：

SATELLITE; SECURE; COMMUNICATION; STATE; CRYPTOGRAPHY; REPEATERS; BB84;

D O I：

10.1364/OE.23.033437

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Technological realities limit terrestrial quantum key distribution (QKD) to single-link distances of a few hundred kilometers. One promising avenue for global-scale quantum communication networks is to use low-Earth-orbit satellites. Here we report the first demonstration of QKD from a stationary transmitter to a receiver platform traveling at an angular speed equivalent to a 600 km altitude satellite, located on a moving truck. We overcome the challenges of actively correcting beam pointing, photon polarization and time-of-flight. Our system generates an asymptotic secure key at 40 bits/s. (C) 2015 Optical Society of America

引用

页码：33437 / 33447

页数：11

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