Observation of two-dimensional surface solitons in asymmetric waveguide arrays

被引：122
|
作者：
Szameit, A.
Kartashov, Y. V.
Dreisow, F.
Pertsch, T.
Nolte, S.
Tuennermann, A.
Torner, L.
机构：
[1] Univ Jena, Inst Appl Phys, D-07743 Jena, Germany
[2] ICFO, Inst Ciencies Foton, Barcelona 08860, Spain
[3] Univ Politecn Cataluna, Barcelona 08860, Spain
[4] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 17期
关键词：
D O I：
10.1103/PhysRevLett.98.173903
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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. This constitutes the first ever experimental observation of two-dimensional nonlinear surface solitons in optics.
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页数：4
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