Quantum key distribution at 1550 nm using a pulse heralded single photon source

Quantum key distribution with pulsed heralded single photon source was performed over 40 km of fiber for the first time to our knowledge. QBER was measured to be 4.23% suggesting security against unconditional attack.

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Bibliographische Detailangaben
Veröffentlicht in:	Optics express 2007-01, Vol.15 (2), p.726-734
Hauptverfasser:	Soujaeff, Alexandre, Nishioka, Tsuyoshi, Hasegawa, Toshio, Takeuchi, Shigeki, Tsurumaru, Toyohiro, Sasaki, Keiji, Matsui, Mitsuru
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Quantum key distribution with pulsed heralded single photon source was performed over 40 km of fiber for the first time to our knowledge. QBER was measured to be 4.23% suggesting security against unconditional attack.
ISSN:	1094-4087 1094-4087
DOI:	10.1364/oe.15.000726