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Experimental quantum fingerprinting with weak coherent pulses

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dc.contributor.author Xu F. es_PE
dc.contributor.author Arrazola J.M. es_PE
dc.contributor.author Wei K. es_PE
dc.contributor.author Wang W. es_PE
dc.contributor.author Palacios-Avila P. es_PE
dc.contributor.author Feng C. es_PE
dc.contributor.author Sajeed S. es_PE
dc.contributor.author Lütkenhaus N. es_PE
dc.contributor.author Lo H.-K. es_PE
dc.date.accessioned 2024-05-30T23:13:38Z
dc.date.available 2024-05-30T23:13:38Z
dc.date.issued 2015
dc.description This work was supported in part by ID Quantique, CFI, OIT, NSERC RTI, the NSERC SPG FREQUENCY, the NSERC Discovery Program, the CRC Program, Connaught Innovation fund and Industry Canada. We thank A. Ignjatovic, Pedro Palacios-Avila, Z. Tang and Francisco de Zela for valuable discussions. Particularly, F. Xu and K. Wei thank V. Makarov for his hospitality during their visit to IQC. We acknowledge the support from the Mike and Ophelia Lazaridis Fellowship, the Office of Naval Research (ONR), the Air Force Office of Scientific Research (AFOSR), the National Natural Science Foundation of China (Grant No. 61178010), China Scholarship Council (No. 201406470051), the University of Hong Kong Physics Department Summer Overseas Research Program and the Science Faculty Overseas Research Fellowship, CONCYTEC-Peru, USEQIP, the IQC Summer URA, the NSERC Postdoctoral Fellowships Program and CryptoWorks21.
dc.description.abstract Quantum communication holds the promise of creating disruptive technologies that will play an essential role in future communication networks. For example, the study of quantum communication complexity has shown that quantum communication allows exponential reductions in the information that must be transmitted to solve distributed computational tasks. Recently, protocols that realize this advantage using optical implementations have been proposed. Here we report a proof-of-concept experimental demonstration of a quantum fingerprinting system that is capable of transmitting less information than the best-known classical protocol. Our implementation is based on a modified version of a commercial quantum key distribution system using off-the-shelf optical components over telecom wavelengths, and is practical for messages as large as 100 Mbits, even in the presence of experimental imperfections. Our results provide a first step in the development of experimental quantum communication complexity.
dc.description.sponsorship Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica - Concytec
dc.identifier.doi https://doi.org/10.1038/ncomms9735
dc.identifier.scopus 2-s2.0-84946142682
dc.identifier.uri https://hdl.handle.net/20.500.12390/656
dc.language.iso eng
dc.publisher Nature Publishing Group
dc.relation.ispartof Nature Communications
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri https://creativecommons.org/licenses/by/4.0/
dc.subject telecommunication
dc.subject computer simulation es_PE
dc.subject optical method es_PE
dc.subject technological development es_PE
dc.subject experimental model es_PE
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#1.03.03
dc.title Experimental quantum fingerprinting with weak coherent pulses
dc.type info:eu-repo/semantics/article
dspace.entity.type Publication
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