Quantum-to-the-home:Achieving Gbits/s secure key rates via commercial off-the-shelf telecommunication equipment

Asif, Rameez and Buchanan, William J. (2017) Quantum-to-the-home:Achieving Gbits/s secure key rates via commercial off-the-shelf telecommunication equipment. Security and Communication Networks, 2017. ISSN 1939-0114

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Abstract

There is current significant interest in Fiber-to-the-Home (FTTH) networks, that is, end-to-end optical connectivity. Currently, it may be limited due to the presence of last-mile copper wire connections. However, in near future, it is envisaged that FTTH connections will exist, and a key offering would be the possibility of optical encryption that can best be implemented using Quantum Key Distribution (QKD).However, it is very important that the QKD infrastructure is compatible with the already existing networks for a smooth transition and integration with the classical data traffic. In this paper, we report the feasibility of using off-the-shelf telecommunication components to enable high performance Continuous Variable-Quantum Key Distribution (CV-QKD) systems that can yield secure key rates in the range of 100Mbits/s under practical operating conditions. Multilevel phase modulated signals (m-PSK) are evaluated in terms of secure key rates and transmission distances. The traditional receiver is discussed, aided by the phase noise cancellation based digital signal processing module for detecting the complex quantum signals. Furthermore, we have discussed the compatibility of multiplexers and demultiplexers for wavelength division multiplexed Quantum-to-the-Home (QTTH) network and the impact of splitting ratio is analyzed. The results are thoroughly compared with the commercially available high-cost encryption modules.

Item Type: Article
Additional Information: Funding Information: The authors would like to acknowledge the project research support from Edinburgh Napier University, UK, for Project STRENGTH (Scalable, Tuneable, Resilient and Encrypted Next Generation Transmission Hub). Publisher Copyright: © 2017 Rameez Asif andWilliam J. Buchanan.
Uncontrolled Keywords: information systems,computer networks and communications ,/dk/atira/pure/subjectarea/asjc/1700/1710
Faculty \ School: Faculty of Science > School of Computing Sciences
Related URLs:
Depositing User: LivePure Connector
Date Deposited: 23 Aug 2022 13:32
Last Modified: 24 Sep 2022 07:06
URI: https://ueaeprints.uea.ac.uk/id/eprint/87580
DOI: 10.1155/2017/7616847

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