Engineering trade studies for a quantum key distribution system over a 30 km free-space maritime channel

Research output: Research - peer-reviewArticle

Abstract

Here, we present the engineering trade studies of a free-space optical communication system operating over a 30 km maritime channel for the months of January and July. The system under study follows the BB84 protocol with the following assumptions: a weak coherent source is used, Eve is performing the intercept resend attack and photon number splitting attack, prior knowledge of Eve's location is known, and Eve is allowed to know a small percentage of the final key. In this system, we examine the effect of changing several parameters in the following areas: the implementation of the BB84 protocol over the public channel, the technology in the receiver, and our assumptions about Eve. For each parameter, we examine how different values impact the secure key rate for a constant brightness. Additionally, we will optimize the brightness of the source for each parameter to study the improvement in the secure key rate.

LanguageEnglish (US)
Pages543-557
Number of pages15
JournalApplied Optics
Volume56
Issue number3
DOIs
StatePublished - Jan 20 2017

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engineering
attack
brightness
coherent sources
free-space optical communication
telecommunication
receivers
photons

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Engineering trade studies for a quantum key distribution system over a 30 km free-space maritime channel. / Gariano, John; Neifeld, Mark; Djordjevic, Ivan.

In: Applied Optics, Vol. 56, No. 3, 20.01.2017, p. 543-557.

Research output: Research - peer-reviewArticle

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