Experimental observation of percolation-enhanced nonlinear light scattering from semicontinuous metal films -: art. no. 125106

被引：56
作者：
Breit, M [1 ]
Podolskiy, VA
Grésillon, S
von Plessen, G
Feldmann, J
Rivoal, JC
Gadenne, P
Sarychev, AK
Shalaev, VM
机构：
[1] Univ Munich, Dept Phys, Photon & Optoelect Grp, D-80799 Munich, Germany
[2] Univ Munich, CeNS, D-80799 Munich, Germany
[3] Ecole Super Phys & Chim Ind Ville Paris, Lab Opt Phys, CNRS, UPR5, F-75231 Paris, France
[4] Univ Paris 06, F-75231 Paris, France
[5] New Mexico State Univ, Dept Phys, Las Cruces, NM 88003 USA
[6] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
[7] Univ Versailles, CNRS, UMR 8634, LMOV, F-78035 Versailles, France
来源：
PHYSICAL REVIEW B | 2001年 / 64卷 / 12期
关键词：
D O I：
10.1103/PhysRevB.64.125106
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Strongly enhanced second-harmonic generation (SHG), which is characterized by a nearly isotropic intensity distribution, is observed for gold-glass films near the percolation threshold. The diffuselike SHG scattering, which can be thought of as nonlinear critical opalescence, is in sharp contrast with highly collimated linear reflection and transmission from these nanostructured semicontinuous metal films. Our observations, which can be explained by giant fluctuations of local nonlinear sources for SHG due to plasmon localization, verify recent predictions of percolation-enhanced nonlinear scattering.
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页数：5
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