Experimental long wavelength quantum cryptography: From single-photon transmission to key extraction protocols
We present experiments on long wavelength (δ = 1.55 μm) 'plug and play' quantum cryptography systems. We discuss the performance of single-photon detectors at δ = 1.55 μm. Furthermore, we address the full implementation of the quantum cryptography protocol, discussing in detail the impleme...
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Veröffentlicht in: | Journal of modern optics 2000, Vol.47 (2-3), p.563-579 |
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container_title | Journal of modern optics |
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creator | Bourennane, Mohamed Ljunggren, Daniel Karlsson, Anders Jonsson, Per Hening, Alexandru Ciscar, Juan Pena |
description | We present experiments on long wavelength (δ = 1.55 μm) 'plug and play' quantum cryptography systems. We discuss the performance of single-photon detectors at δ = 1.55 μm. Furthermore, we address the full implementation of the quantum cryptography protocol, discussing in detail the implementation of protocols for error correction and privacy amplification needed to get a secure key. We illustrate the theory with examples from a full software simulation to show the performance of the complete protocol in terms of final secure key creation rate. |
doi_str_mv | 10.1080/09500340008244060 |
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subjects | Electrical engineering, electronics and photonics Elektroteknik, elektronik och fotonik Error correction Fotonik Light transmission Optical fibers Photodiodes Photonics Photons Quantum optics TECHNOLOGY TEKNIKVETENSKAP Wavelength division multiplexing |
title | Experimental long wavelength quantum cryptography: From single-photon transmission to key extraction protocols |
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