Radio-frequency spectrum coding in ultra-long fibre laser based cryptography

Krupa, K., Tonello, A., Boscolo, S., Barthélémy, A., Kermène, V., Desfarges-Berthelemot, A., Shalaby, B.M., Turitsyn, S.K. and Ania-Castañón, J.D. (2015). Radio-frequency spectrum coding in ultra-long fibre laser based cryptography. IN: 17th International Conference on Transparent Optical Networks (ICTON 2015). Jaworski, Marek and Marciniak, Marian (eds) Warsaw (PL): IEEE.

Abstract

We propose a new approach for secret key exchange involving the variation of the cavity length of an ultra-long fibre laser. The scheme is based on the realisation that the free spectral range of the laser cavity can be used as an information carrier. We present a proof-of-principle demonstration of this new concept using a 50-km-long fibre laser to link two users, both of whom can randomly add an extra 1-km-long fibre segment.

Publication DOI: https://doi.org/10.1109/ICTON.2015.7193390
Divisions: Engineering & Applied Sciences > Institute of Photonics
Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Systems analytics research institute (SARI)
Additional Information: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Funding: French National Research Agency (LABEX SIGMALIM; ANR 08-JCJC-0122 PARADHOQS); European Research Council (ULTRALASER); Leverhulme Trust (RPG- 278); Spanish MICINN (TEC2011-27314 (RAMAS); and XLIM Institute (VIP2013).
Event Title: 17th International Conference on Transparent Optical Networks
Event Type: Other
Event Dates: 2015-07-05 - 2015-07-09
Uncontrolled Keywords: fibre lasers,fibre optics communications,optical security and encryption,Computer Networks and Communications,Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials
Full Text Link: http://ieeexplo ... rnumber=7193390
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2015
Authors: Krupa, K.
Tonello, A.
Boscolo, S. ( 0000-0001-5388-2893)
Barthélémy, A.
Kermène, V.
Desfarges-Berthelemot, A.
Shalaby, B.M.
Turitsyn, S.K. ( 0000-0003-0101-3834)
Ania-Castañón, J.D.

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