Plasmonic enhancement of nonlinear magneto-optical response in nickel nanorod metamaterials

被引:46
|
作者
Krutyanskiy, V. L. [1 ]
Kolmychek, I. A. [1 ]
Gan'shina, E. A. [1 ]
Murzina, T. V. [1 ]
Evans, P. [2 ]
Pollard, R. [2 ]
Stashkevich, A. A. [3 ]
Wurtz, G. A. [4 ]
Zayats, A. V. [4 ]
机构
[1] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119991, Russia
[2] Queens Univ Belfast, IRCEP, Ctr Nanostruct Media, Belfast BT7 1NN, Antrim, North Ireland
[3] Univ Paris 13, LSPM CNRS UPR 3407, F-93430 Villetaneuse, France
[4] Kings Coll London, Dept Phys, London WC2R 2LS, England
基金
英国工程与自然科学研究理事会;
关键词
2ND-HARMONIC GENERATION; HARMONIC-GENERATION; NANOWIRE ARRAYS; ISLAND FILMS; SCATTERING;
D O I
10.1103/PhysRevB.87.035116
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Linear and nonlinear magneto-optical properties of the metamaterials based on nickel nanorod assemblies have been studied. The second-harmonic generation properties follow the effective medium description of the metamaterial as a homogeneous layer isotropic in the direction normal to the nanorod axes. Magneto-optical and nonlinear magneto-optical Kerr effects are enhanced in the vicinity of the plasmonic modes of Ni nanorods and of the photonic resonance of the metamaterial layer, while conventional (nonmagnetic) optical response does not exhibit plasmonic-related features. The observed surprisingly high sensitivity of magneto-optical and nonlinear magneto-optical responses to the metamaterial photonic modes is prospective for the diagnostics of plasmonic excitations in magnetic nanostructures and for possible applications in high density magneto-optical data storage. DOI: 10.1103/PhysRevB.87.035116
引用
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页数:5
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