Physics – Optics
Scientific paper
2011-08-09
Optics Letters 36, 3470 (2011)
Physics
Optics
3 pages, 4 figures, to appear in Optics Letters
Scientific paper
We show that the geometrically-induced potential existing in undulated slab waveguides dramatically affects the properties of solitons. In particular, whereas solitons residing in the potential maxima do not feature power thresholds and are stable, their counterparts residing in the potential minima are unstable and may exhibit a power threshold for their existence. Additionally, the geometric potential is shown to supports stable multipole solitons that cannot be supported by straight waveguides. Finally, the geometric potential results in the appearance of the effective barriers that prevent transverse soliton motion.
Kartashov Yaroslav V.
Keil Robert
Szameit Alexander
Torner Lluis
Vysloukh Victor A.
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