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Quantum state engineering with ququarts: application for deterministic QKD protocol

Shurupov, Alexander P. and Straupe, Stanislav S. and Kulik, Sergei P. and Mahmoud Ahmed, Gharib Subhi and Wahiddin, Mohamed Ridza (2009) Quantum state engineering with ququarts: application for deterministic QKD protocol. EPL (Europhysics Letters), 87. 10008-p1. ISSN 0295-5075 E-ISSN 1286-4854

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Abstract

We discuss the proof-of-principle demonstration of the extended deterministic Quantum Key Distribution (QKD) protocol based on ququarts. The experimental realization is based on the polarization degrees of freedom of two-mode biphotons, making the process of state preparation, transformation and measurement rather simple. The scheme uses only single nonlinear crystal for biphoton generation and linear optical elements for their following transformation and can be used as a base for further practical applications.

Item Type: Article (Journal)
Additional Information: 5541/1000
Uncontrolled Keywords: Quantum Key Distribution, QKD, ququarts
Subjects: Q Science > QC Physics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science
Depositing User: Mrs. Wan Salwati Wan Salleh
Date Deposited: 15 Jul 2011 12:18
Last Modified: 17 Nov 2016 12:29
URI: http://irep.iium.edu.my/id/eprint/1000

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