Weak+Vacuum and One Decoy States with Two Way Quantum Key Distribution Protocol

Author:

Abdul Khir M. F.12,Bahari I.3,Ali S.4,Shaari S.1

Affiliation:

1. Photonics Lab, Institute of Micro Engineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43400 UKM Bangi, Malaysia

2. NEMS and Photonics Lab, Mimos Berhad, Technology Park Malaysia, 57000 Kuala Lumpur, Malaysia

3. Advanced Analysis and Modelling, Mimos Berhad, Technology Park Malaysia, 57000 Kuala Lumpur, Malaysia

4. Department of Science in Engineering, Faculty of Engineering, International Islamic University of Malaysia (IIUM), Jalan Gombak, 53100 Kuala Lumpur, Malaysia

Abstract

We present relevant bounds for the case of weak+vacuum decoy state and one decoy state for a two-way four states Quantum Key Distribution (QKD) protocol. The numerical simulation result is significant given that an improvement in maximum secure distance of nearly twice the original one is achieved.

Publisher

World Scientific Pub Co Pte Lt

Subject

Mathematical Physics,Statistics and Probability,Statistical and Nonlinear Physics

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