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Quantum communication in optical networks: an overview and selected recent results
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.ORCID iD: 0000-0003-2136-4914
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
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2007 (English)In: ICTON 2007: Proceedings of the 9th International Conference on Transparent Optical Networks, Vol 1 / [ed] Marciniak, M, 2007, 30-33 p.Conference paper, Published paper (Refereed)
Abstract [en]

We discuss recent work in quantum communication, and in some details present a bright, narrowband, portable, quasi-phase-matched two-crystal source generating polarization-entangled photon pairs at 809 nm and 1555 nm. We also show how the single-photon quantum channel at 1555 nm and a classical synchronization signal gating the single photon detector at the receiving side can be multiplexed in the same optical fiber of length 27 km by means of wavelength division multiplexers (WDM) having 100 GHz (0.8 nm) spacing between channels. This illustrates bow single-photon quantum communication applications is compatible with current high-speed optical networks.

Place, publisher, year, edition, pages
2007. 30-33 p.
Keyword [en]
quantum communication, quantum cryptography, single-photon detection
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-41150DOI: 10.1109/ICTON.2007.4296023ISI: 000250511100009Scopus ID: 2-s2.0-48349094452ISBN: 978-1-4244-1248-8 (print)OAI: oai:DiVA.org:kth-41150DiVA: diva2:443452
Conference
9th International Conference on Transparent Optical Networks (ICTON 2007) Location: Rome, Italy, Date: JUL 01-05, 2007
Available from: 2011-09-26 Created: 2011-09-23 Last updated: 2012-03-22Bibliographically approved

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Swillo, Marcin

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