Paper 2014/146
Untappable communication channels over optical fibers from quantum-optical noise
Geraldo A. Barbosa and Jeroen van de Graaf
Abstract
Coherent light, as produced by lasers, gives rise to an intrinsic noise, known as quantum noise, optical noise or shot noise. AlphaEta is a protocol which exploits this physical phenomenon to obtain secure data encryption or key distribution over a fiber-optic channel in the presence of an eavesdropper. In this paper we focus on the cryptographic aspects of AlphaEta and its variants. Moreover, we propose a new protocol for which we can provide a rigorous proof that the eavesdropper obtains neglible information. In comparison to single-photon quantum cryptography, AlphaEta provide much higher throughputs combined with a well-known technology.
Note: Submission to ACNS 2014, with minor modifications
Metadata
- Available format(s)
-
PDF
- Category
- Applications
- Publication info
- Preprint. MINOR revision.
- Keywords
- AlphaEtaquantum-optical noisefiber opticskey distribution
- Contact author(s)
- jvdg ufmg @ gmail com
- History
- 2014-02-27: received
- Short URL
- https://ia.cr/2014/146
- License
-
CC BY
BibTeX
@misc{cryptoeprint:2014/146,
author = {Geraldo A. Barbosa and Jeroen van de Graaf},
title = {Untappable communication channels over optical fibers from quantum-optical noise},
howpublished = {Cryptology ePrint Archive, Paper 2014/146},
year = {2014},
note = {\url{https://eprint.iacr.org/2014/146}},
url = {https://eprint.iacr.org/2014/146}
}
