DIELECTRIC OPTICAL NANOANTENNAS

A. E. Krasnok, P. A. Belov, Y. S. Kivshar


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Abstract

The article deals with a new, alternative to plasmonics approach to optical nanoantennas development. This
approach is based on replacement of the metallic structural components of the well-known plasmon
nanoantennas by the dielectric nanoelements with a high and positive dielectric conductivity value. As a result,
nanoantennas acquire the unique properties, such as magnetic response and superdirectivity. The main types of
studied optical antennas are Yagi-Uda and superdirected nanoantennas on the base of dielectric nanoparticles.
Keywords: nanoantenna, quantum source, directivity.


Keywords: nanoantenna, quantum source, directivity
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