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Defect-free surface states in modulated photonic lattices

Garanovich, Ivan; Sukhorukov, Andrey; Kivshar, Yuri


We predict that interfaces of periodically curved waveguide arrays can support a novel type of surface states which exist in a certain region of modulation parameters associated with the band flattening. Such linear surface states appear in truncated but otherwise perfect (defect-free) lattices as a direct consequence of the periodic modulation of the lattice potential. We show that the existence of these modes in different band gaps can be flexibly controlled by selecting the modulation...[Show more]

CollectionsANU Research Publications
Date published: 2008-05-23
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.100.203904


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