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Finite-size analysis of a continuous-variable quantum key distribution
Open accessAbstract
The goal of this paper is to extend the framework of finite-size analysis recently developed for quantum key distribution to continuous-variable protocols. We do not solve this problem completely here, and we mainly consider the finite-size effects on the parameter estimation procedure. Despite the fact that some questions are left open, we are able to give an estimation of the secret key rate for protocols which do not contain a postselection procedure. As expected, these results are significantly more pessimistic than those obtained in the asymptotic regime. However, we show that recent continuous-variable protocols are able to provide fully secure secret keys in the finite-size scenario, over distances larger than $50$ km.
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Quantum information and computation
Bennett, C. H., & DiVincenzo, D. P. (2000) · Nature · doi:10.1038/35005001 · Cited by 3,263
Cited by
Advances in quantum cryptography
Pirandola, S., Andersen, U. L., Banchi, L., Berta, M., Bunandar, D., Colbeck, R., Englund, D., Gehring, T., Lupo, C., Ottaviani, C., et al. (2020) · Advances in Optics and Photonics · doi:10.1364/aop.361502 · Cited by 2,033
Relativistic quantum information
Mann, R. B., & Ralph, T. C. (2012) · Classical and Quantum Gravity · doi:10.1088/0264-9381/29/22/220301 · Cited by 76
Metadata
- Authors
- Leverrier, A., Grosshans, F., & Grangier, P.
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 2010-06-28
- Volume
- 81
- Issue
- 6
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W1983266622
- Cited by
- 460
- References
- 1
- FWCI
- 9.18
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Leverrier, A., Grosshans, F., & Grangier, P. (2010). Finite-size analysis of a continuous-variable quantum key distribution. Physical Review A. https://doi.org/10.1103/physreva.81.062343
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