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Probing magnetic and electric optical responses of silicon nanoparticles

Permyakov, Dmitry; Sinev, Ivan; Markovich, Dmitry; Ginzburg, Pavel; Samusev, Anton; Belov, Pavel; Valuckas, Vytautas; Kuznetsov, Arseniy I.; Luk'yanchuk, Boris S.; Miroshnichenko, Andrey E.; Neshev, Dragomir N.; Kivshar, Yuri S.

Description

We study experimentally both magnetic and electric optically induced resonances of silicon nanoparticles by combining polarization-resolved dark-field spectroscopy and near-field scanning optical microscopy measurements. We reveal that the scattering spectra exhibit strong sensitivity of electric dipole response to the probing beam polarization and attribute the characteristic asymmetry of measured near-field patterns to the excitation of a magnetic dipole mode. The proposed experimental...[Show more]

CollectionsANU Research Publications
Date published: 2015-04-29
Type: Journal article
URI: http://hdl.handle.net/1885/107257
Source: Applied Physics Letters
DOI: 10.1063/1.4919536

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