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Helmholtz dark solitons

Chamorro-Posada, P and McDonald, GS 2003, 'Helmholtz dark solitons' , Optics Letters, 28 (10) , pp. 825-827.

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Abstract

A general dark-soliton solution of the Helmholtz equation (with defocusing Kerr nonlinearity) that has on- and off-axis, gray and black, paraxial and Helmholtz solitons as particular solutions, is reported. Modifications to soliton transverse velocity, width, phase period, and existence conditions are derived and explained in geometrical terms. Simulations verify analytical predictions and also demonstrate spontaneous formation of Helmholtz solitons and transparency of their interactions.

Item Type: Article
Uncontrolled Keywords: optical solitons, Helmholtz equations, optical Kerr effect, focusing
Themes: Subjects / Themes > Q Science > QC Physics
Subjects outside of the University Themes
Schools: Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
Journal or Publication Title: Optics Letters
Publisher: Optical Society of America
Refereed: Yes
ISSN: 01469592
Depositing User: H Kenna
Date Deposited: 22 Aug 2007 12:44
Last Modified: 20 Aug 2013 16:46
URI: http://usir.salford.ac.uk/id/eprint/300

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