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PT Symmetry in Multilayered metal-dielectric nanoantennas for tailoring electric dipole emission

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Abstract

We propose a multilayered metal-dielectric nanoantennas with PT symmetiy for tailoring electric dipole emission. It is demonstrated that cavily mode can be excited by positioning dipole source in the symmetiy axis of nanoantennas. Switching directions betiveen forward and backward scattering can be achieved by changing parameters of ED emissions.

© 2020 The Author(s)

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