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Dynamic Control of Collapse in a Vortex Airy Beam
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.ORCID iD: 0000-0002-3401-1125
2013 (English)In: Scientific Reports, ISSN 2045-2322, Vol. 3, 1406- p.Article in journal (Refereed) Published
Abstract [en]

Here we study systematically the self-focusing dynamics and collapse of vortex Airy optical beams in a Kerr medium. The collapse is suppressed compared to a non-vortex Airy beam in a Kerr medium due to the existence of vortex fields. The locations of collapse depend sensitively on the initial power, vortex order, and modulation parameters. The collapse may occur in a position where the initial field is nearly zero, while no collapse appears in the region where the initial field is mainly distributed. Compared with a non-vortex Airy beam, the collapse of a vortex Airy beam can occur at a position away from the area of the initial field distribution. Our study shows the possibility of controlling and manipulating the collapse, especially the precise position of collapse, by purposely choosing appropriate initial power, vortex order or modulation parameters of a vortex Airy beam.

Place, publisher, year, edition, pages
2013. Vol. 3, 1406- p.
Keyword [en]
Schrodinger-Equations, Kerr Medium, Propagation, Media, Generation, Systems
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-120531DOI: 10.1038/srep01406ISI: 000316539700001ScopusID: 2-s2.0-84875828561OAI: diva2:615634
Swedish Research Council, 621-2011-4620

QC 20130411

Available from: 2013-04-11 Created: 2013-04-11 Last updated: 2013-11-19Bibliographically approved

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He, Sailing
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Electromagnetic EngineeringZhejiang-KTH Joint Research Center of Photonics, JORCEP
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