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  4. Klein tunneling of light in waveguide superlattices
 
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2012
Journal Article
Title

Klein tunneling of light in waveguide superlattices

Abstract
We present an experimental observation of Klein tunneling of light waves in lattices of evanescently coupled waveguides with a superimposed potential step. The incident wave packet "mass" which is a characteristic feature of Klein tunneling is generated by a minigap in the band structure of the lattice. We studied different masses and measured the tunneling rates across the potential step.
Author(s)
Dreisow, Felix
Keil, Robert
Tünnermann, Andreas  
Nolte, Stefan  
Longhi, Stefano
Szameit, Alexander
Journal
epl. A letters journal exploring the frontiers of physics  
DOI
10.1209/0295-5075/97/10008
Language
English
Fraunhofer-Institut für Angewandte Optik und Feinmechanik IOF  
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