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Families of solitons in Bragg supergratings
Boris A. Malomed, Thomas Wagenknecht, Kazuyuki Yagasaki
We study fundamental optical gap solitons in the model of a fiber Bragg grating (BG), which is subjected to a periodic modulation of the local reflectivity, giving rise to a superg…
Gap solitons in Bragg gratings with a harmonic superlattice
K. Yagasaki, I. M. Merhasin, B. A. Malomed +2
Solitons are studied in a model of a fiber Bragg grating (BG) whose local reflectivity is subjected to periodic modulation. The superlattice opens an infinite number of new bandgap…
Accumulation of embedded solitons in systems with quadratic nonlinearity
B. A. Malomed, T. Wagenknecht, A. R. Champneys +1
Previous numerical studies have revealed the existence of embedded solitons (ESs) in a class of multi-wave systems with quadratic nonlinearity, families of which seem to emerge fro…