Localized structures and their dynamics in a liquid crystal light valve with optical feedback
Identifieur interne : 00AC15 ( Main/Exploration ); précédent : 00AC14; suivant : 00AC16Localized structures and their dynamics in a liquid crystal light valve with optical feedback
Auteurs : S. Residori [France] ; A. Petrossian [France] ; T. Nagaya [Japon] ; M. Clerc [Chili]Source :
- Journal of optics. B, Quantum and semiclassical optics : (Print) [ 1464-4266 ] ; 2004.
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Abstract
In this article we review the conditions for the appearance of localized states in a nonlinear optical system, with particular reference to the liquid crystal light valve (LCLV) experiment. The localized structures here described are of dissipative type; that is, they represent the localized solutions of a pattern-forming system. We discuss their features of stable addressable localized states, and we show that they dispose themselves on the nodes of highly symmetric lattices, as obtained by the introduction of an N-order rotation angle in the optical feedback loop. The stability is lost either on increase of the input light intensity or by the introduction of an extra small angle of rotation. The complex spatio-temporal dynamics that follows is characterized by oscillations in the position of the localized states. We discuss the origin of this permanent dynamics in relation to the non-variational character of the LCLV system, underlining the general character of such complex behaviours of localized states.
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Petrossian</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Laboratoire de Physique de l'ENS-Lyon, 46 Allée d'Italie</s1><s2>69364 Lyon</s2><s3>FRA</s3><sZ>2 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>69364 Lyon</wicri:noRegion><placeName><settlement type="city">Lyon</settlement><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region></placeName></affiliation></author><author><name sortKey="Nagaya, T" sort="Nagaya, T" uniqKey="Nagaya T" first="T." last="Nagaya">T. Nagaya</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Electrical and Electronic Engineering, Faculty of Engineering, Okayama University</s1><s2>Okayama 700-8530</s2><s3>JPN</s3><sZ>3 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Okayama 700-8530</wicri:noRegion></affiliation></author><author><name sortKey="Clerc, M" sort="Clerc, M" uniqKey="Clerc M" first="M." last="Clerc">M. 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Petrossian</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Laboratoire de Physique de l'ENS-Lyon, 46 Allée d'Italie</s1><s2>69364 Lyon</s2><s3>FRA</s3><sZ>2 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Auvergne-Rhône-Alpes</region><region type="old region" nuts="2">Rhône-Alpes</region><settlement type="city">Lyon</settlement></placeName></affiliation></author><author><name sortKey="Nagaya, T" sort="Nagaya, T" uniqKey="Nagaya T" first="T." last="Nagaya">T. Nagaya</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Electrical and Electronic Engineering, Faculty of Engineering, Okayama University</s1><s2>Okayama 700-8530</s2><s3>JPN</s3><sZ>3 aut.</sZ></inist:fA14><country>Japon</country><wicri:noRegion>Okayama 700-8530</wicri:noRegion></affiliation></author><author><name sortKey="Clerc, M" sort="Clerc, M" uniqKey="Clerc M" first="M." last="Clerc">M. Clerc</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Departamento de Física, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Casilla 487-3</s1><s2>Santiago</s2><s3>CHL</s3><sZ>4 aut.</sZ></inist:fA14><country>Chili</country><wicri:noRegion>Santiago</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of optics. B, Quantum and semiclassical optics : (Print)</title><title level="j" type="abbreviated">J. opt. B Quantum semiclass. opt. : (Print)</title><idno type="ISSN">1464-4266</idno><imprint><date when="2004">2004</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of optics. B, Quantum and semiclassical optics : (Print)</title><title level="j" type="abbreviated">J. opt. B Quantum semiclass. opt. : (Print)</title><idno type="ISSN">1464-4266</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Experimental device</term><term>Experimental study</term><term>Localized states</term><term>Nematic crystals</term><term>Nonlinear optics</term><term>Nonlinear systems</term><term>Optical bistability</term><term>Optical feedback</term><term>Optical systems</term><term>Optical valves</term><term>Reviews</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Cristal nématique</term><term>Valve optique</term><term>Etat localisé</term><term>Boucle réaction optique</term><term>Système optique</term><term>Système non linéaire</term><term>Dispositif expérimental</term><term>Optique non linéaire</term><term>Bistabilité optique</term><term>Article synthèse</term><term>Etude expérimentale</term><term>4270D</term><term>4265P</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this article we review the conditions for the appearance of localized states in a nonlinear optical system, with particular reference to the liquid crystal light valve (LCLV) experiment. The localized structures here described are of dissipative type; that is, they represent the localized solutions of a pattern-forming system. We discuss their features of stable addressable localized states, and we show that they dispose themselves on the nodes of highly symmetric lattices, as obtained by the introduction of an N-order rotation angle in the optical feedback loop. The stability is lost either on increase of the input light intensity or by the introduction of an extra small angle of rotation. The complex spatio-temporal dynamics that follows is characterized by oscillations in the position of the localized states. We discuss the origin of this permanent dynamics in relation to the non-variational character of the LCLV system, underlining the general character of such complex behaviours of localized states.</div></front></TEI><affiliations><list><country><li>Chili</li><li>France</li><li>Japon</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Provence-Alpes-Côte d'Azur</li><li>Rhône-Alpes</li></region><settlement><li>Lyon</li><li>Valbonne</li></settlement></list><tree><country name="France"><region name="Provence-Alpes-Côte d'Azur"><name sortKey="Residori, S" sort="Residori, S" uniqKey="Residori S" first="S." last="Residori">S. Residori</name></region><name sortKey="Petrossian, A" sort="Petrossian, A" uniqKey="Petrossian A" first="A." last="Petrossian">A. Petrossian</name></country><country name="Japon"><noRegion><name sortKey="Nagaya, T" sort="Nagaya, T" uniqKey="Nagaya T" first="T." last="Nagaya">T. Nagaya</name></noRegion></country><country name="Chili"><noRegion><name sortKey="Clerc, M" sort="Clerc, M" uniqKey="Clerc M" first="M." last="Clerc">M. Clerc</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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