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Content Provider | IET Digital Library |
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Author | G, Yingdi D O N G, Jinye P E N N, Xiaoyan S U |
Abstract | The Quantum key distribution (QKD) has been entering the practical application era. The odd coherent state which follows sub Poisson distributed has been confirmed to extend transmission distance and improve secret key rate in Discrete-variable quantum key distribution (DVQKD) protocol.We propose Entanglement-based (EB) scheme of Continuous-variable quantum key distribution (CVQKD) with odd coherent state. This scheme allows distributing Gaussian modulated CVQKD with laser light which could be odd coherent state. We analyze the logarithmic negativity between entangled odd coherent states and the security. The results show that renewed scheme can extend secure distance by 10.6% and enhance the tolerance excess noise in same parameter, and the renewed scheme could be applied to prepare-and-measure (P&M) model in CVQKD. |
Starting Page | 433 |
Ending Page | 438 |
Page Count | 6 |
ISSN | 10224653 |
Volume Number | 27 |
e-ISSN | 20755597 |
Issue Number | Issue 2, Mar (2018) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/cje/27/2 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/cje.2017.10.005 |
Journal | Chinese Journal of Electronics |
Publisher Date | 2018-03-01 |
Access Restriction | Open |
Rights Holder | © Chinese Institute of Electronics |
Subject Keyword | Continuous-variable Quantum Key Distribution Discrete-variable Quantum Key Distribution Protocol Entangled Odd Coherent State Entanglement-based Scheme Foundations Gaussian Modulated CVQKD Laser Light Logarithmic Negativity Miscellaneous Quantum Theories Odd Coherent State Poisson Distribution Prepare-and-measure Model Probability Theory Quantum Cryptography Quantum Entanglement Secret Key Rate Statistics Stochastic Linearised SCUC Theory of Quantum Measurement |
Content Type | Text |
Resource Type | Article |
Subject | Applied Mathematics Electrical and Electronic Engineering |
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