期刊
OPTICS EXPRESS
卷 20, 期 20, 页码 22616-22626出版社
Optica Publishing Group
DOI: 10.1364/OE.20.022616
关键词
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类别
资金
- MICINN (Estancias de profesores e investigadores extranjeros en centros espanoles) fellowship program
- [FIS2009-07812]
- [2007-0046 Nanolight]
- [PROMETEO/2010/043]
The magnetic field component of light in dielectric materials generally plays a negligible role at optical frequency values. However, it is a key component of metal based metamaterials. Here we report on the dominant role of the magnetic interaction in a dielectric spherical silicon nanocavity coupled to a silicon waveguide. The analytical method, as well as the finite difference time domain (FDTD) simulation, show a three dimensional (3D) magnetic trap effect when the magnetic like Mie resonances of the nanocavity are excited. (C)2012 Optical Society of America
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