Physics – Optics
Scientific paper
2007-04-29
Physical Review Letters 98, 173903 (2007)
Physics
Optics
13 pages, 4 figures
Scientific paper
10.1103/PhysRevLett.98.173903
We report on the experimental observation of two-dimensional surface waves localized at the edge or in the corner of femtosecond laser-written waveguide arrays in fused silica. Increasing the power of the input beam allows one to observe a clear transition from a linear diffraction pattern to localized nonlinear surface states, which can exist at the interface only above a certain power threshold.
Dreisow Felix
Kartashov Yaroslav V.
Nolte Stefan
Pertsch Thomas
Szameit Alexander
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