Journal
APPLIED PHYSICS LETTERS
Volume 106, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4919536
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Funding
- Government of Russian Federation [14.584.21.0009 10, GOSZADANIE 2014/190, 3.561.2014/K, 074-U01]
- Russian Foundation for Basic Research
- Australian Research Council
- DSI core funds
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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 approach can serve as a powerful tool for the study of photonic nanostructures possessing both electric and magnetic optical responses. (C) 2015 AIP Publishing LLC.
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