Higher-band gap soliton formation in defocusing photonic lattices
Publication date
2008-09
Document type
Research article
Author
Organisational unit
Technische Universität Clausthal
Scopus ID
Publisher
Soc.
Series or journal
Optics letters
ISSN
Periodical volume
33
Periodical issue
18
First page
2056
Last page
2058
Part of the university bibliography
Nein
Language
English
Abstract
We report on the experimental observation of higher-band gap solitons in a one-dimensional photonic lattice possessing a defocusing saturable nonlinearity. Pure Floquet-Bloch modes of the first three bands are excited using a prism-coupler setup, and spatial gap solitons of different width are formed, the latter property being related to the increasing anomalous diffraction in the three bands and the fixed value of the nonlinearity in our lithium niobate sample. © 2008 Optical Society of America.
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