Observation of discrete gap solitons in binary waveguide arrays
Date
Authors
Morandotti, Roberto
Mandelik, Daniel
Silberberg, Yaron
Aitchison, Stewart
Sorel, Marc
Christodoulides, Demetrios N.
Sukhorukov, Andrey
Kivshar, Yuri
Journal Title
Journal ISSN
Volume Title
Publisher
Optical Society of America
Abstract
We report on the first experimental observation of discrete gap solitons in
binary arrays of optical waveguides. We observe the soliton generation when the
inclination angle of an input beam is slightly above the Bragg angle, and show
that the propagation direction of the emerging gap soliton depends on the input
power as a result of an inter-band momentum exchange.
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Source
Optics Letters