Free-space quantum key distribution to a moving receiver

Jean Philippe Bourgoin; Brendon L. Higgins; Nikolay Gigov; Catherine Holloway; Christopher J. Pugh; Sarah Kaiser; Miles Cranmer; Thomas Jennewein

doi:10.1364/OE.23.033437

Free-space quantum key distribution to a moving receiver

Jean Philippe Bourgoin, Brendon L. Higgins, Nikolay Gigov, Catherine Holloway, Christopher J. Pugh, Sarah Kaiser, Miles Cranmer, Thomas Jennewein

Research output: Contribution to journal › Article › peer-review

87 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	33437-33447
Number of pages	11
Journal	Optics Express
Volume	23
Issue number	26
DOIs	https://doi.org/10.1364/OE.23.033437
Publication status	Published - 28 Dec 2015
Externally published	Yes

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AU - Gigov, Nikolay

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AU - Pugh, Christopher J.

AU - Kaiser, Sarah

AU - Cranmer, Miles

AU - Jennewein, Thomas

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Free-space quantum key distribution to a moving receiver

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