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Purely nonlinear disorder-induced localizations and their parametric amplification
KTH, School of Engineering Sciences (SCI), Applied Physics, Quantum Electronics and Quantum Optics, QEO.ORCID iD: 0000-0001-7185-0457
2013 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 38, no 24, 5276-5279 p.Article in journal (Refereed) Published
Abstract [en]

We investigate spatial localization in a quadratic nonlinear medium in the presence of randomness. By means of numerical simulations and theoretical analyses we show that, in the down conversion regime, the transverse random modulation of the nonlinear susceptibility generates localizations of the fundamental wave that grow exponentially in propagation. The localization length is optically controlled by the pump intensity that determines the amplification rate. The results also apply to cubic nonlinearities.

Place, publisher, year, edition, pages
2013. Vol. 38, no 24, 5276-5279 p.
Keyword [en]
Anderson Localization, Light
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URN: urn:nbn:se:kth:diva-139430DOI: 10.1364/OL.38.005276ISI: 000328702100020Scopus ID: 2-s2.0-84890448039OAI: oai:DiVA.org:kth-139430DiVA: diva2:688490
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QC 20140117

Available from: 2014-01-17 Created: 2014-01-13 Last updated: 2017-12-06Bibliographically approved

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Gallo, Katia

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