Incoherent fibre supercontinuum generation for all-optical random number generation

B. Wetzel, L. Larger, J.M. Dudley, K.J. Blow, S.K. Turitsyn

Research output: Chapter in Book/Report/Conference proceedingConference publication

Abstract

Random number generation is a central component of modern information technology, with crucial applications in ensuring communications and information security. The development of new physical mechanisms suitable to directly generate random bit sequences is thus a subject of intense current research, with particular interest in alloptical techniques suitable for the generation of data sequences with high bit rate. One such promising technique that has received much recent attention is the chaotic semiconductor laser systems producing high quality random output as a result of the intrinsic nonlinear dynamics of its architecture [1]. Here we propose a novel complementary concept of all-optical technique that might dramatically increase the generation rate of random bits by using simultaneously multiple spectral channels with uncorrelated signals - somewhat similar to use of wave-division-multiplexing in communications. We propose to exploit the intrinsic nonlinear dynamics of extreme spectral broadening and supercontinuum (SC) generation in optical fibre, a process known to be often associated with non-deterministic fluctuations [2]. In this paper, we report proof-of concept results indicating that the fluctuations in highly nonlinear fibre SC generation can potentially be used for random number generation.
Original languageEnglish
Title of host publication2011 conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC
PublisherIEEE
Number of pages1
ISBN (Electronic)978-1-4577-0532-8
ISBN (Print)978-1-4577-0533-5
DOIs
Publication statusPublished - 2011
Event2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference - Munich, Germany
Duration: 22 May 201126 May 2011

Conference

Conference2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference
Abbreviated titleCLEO EUROPE/EQEC 2011
CountryGermany
CityMunich
Period22/05/1126/05/11

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