Surface superlattice gap solitons

Y. J. He, W. H. Chen, H. Z. Wang*, Boris A. Malomed

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We demonstrate that specific surface superlattice gap solitons can be supported at an interface between a one-dimensional photonic superlattice and a uniform medium with saturable nonlinearity. The solitons are stable in the semi-infinite gap but do not exist in the first gap. With the decrease of the power, the solitons jump from the surface site to the next one, and they may continue the motion into the lattices, which offers potential applications for the routing of optical signals.

Original languageEnglish
Pages (from-to)1390-1392
Number of pages3
JournalOptics Letters
Issue number11
StatePublished - 1 Jun 2007


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