Physics – Optics
Scientific paper
2010-10-09
Phys. Rev. Lett. 106 (2011) 085501
Physics
Optics
7 pages, 4 figures
Scientific paper
10.1103/PhysRevLett.106.085501
Precise control and manipulation of optical fields on a nanoscale is one of the most important and challenging problems in "nanophotonics". Since optical wavelength is on a much larger microscale, it is impossible to employ conventional focusing for that purpose. We show the strong optically-induced interactions between discrete meta-molecules in a metamaterial system and coherent monochromatic continuous light beam with a spatially-tailored phase profile can be used to prepare a sub-wavelength scale energy localization. Well isolated energy hot-spots as small as $\lambda/10$ can be created and positioned at will on the metamaterial landscape offering new opportunities for data storage and imaging applications.
Jenkins Stewart D.
Kao T. S.
Ruostekoski Janne
Zheludev Nikolay I.
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