Secret key generation via a modified quantum secret sharing protocol

A. M. Smith, P. G. Evans, B. Lawrie, M. Legré, P. Lougovski, W. Ray, B. P. Williams, B. Qi, W. P. Grice

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We present and experimentally show a novel protocol for distributing secret information between two and only two parties in a N-party single-qubit Quantum Secret Sharing (QSS) system. We demonstrate this new algorithm with N = 3 active parties over ∼6km of telecom. fiber. Our experimental device is based on the Clavis2 Quantum Key Distribution (QKD) system built by ID Quantique but is generalizable to any implementation. We show that any two out of the N parties can build secret keys based on partial information from each other and with collaboration from the remaining N-2 parties. This algorithm allows for the creation of two-party secret keys were standard QSS does not and significantly reduces the number of resources needed to implement QKD on a highly connected network such as the electrical grid.

Original languageEnglish
Title of host publicationQuantum Information and Computation XIII
EditorsMichael Hayduk, Andrew R. Pirich, Eric Donkor
PublisherSPIE
ISBN (Electronic)9781628416169
DOIs
StatePublished - 2015
EventQuantum Information and Computation XIII - Baltimore, United States
Duration: Apr 22 2015Apr 24 2015

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9500
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceQuantum Information and Computation XIII
Country/TerritoryUnited States
CityBaltimore
Period04/22/1504/24/15

Fingerprint

Dive into the research topics of 'Secret key generation via a modified quantum secret sharing protocol'. Together they form a unique fingerprint.

Cite this