Abstract
We numerically investigated the optical properties of planar nanorod antennas metamaterial that exhibits plasmon-induced transparency (PIT) effect. The designed metamaterial is made of a silver nanorod dimer antenna surrounded by two parallel silver nanorods. The interaction between two parallel nanorods and middle nanorod dimer antenna leads to a single PIT band in the transmission spectrum. Moreover, the double PIT windows and slow light can be realized by breaking the structure symmetry. The multi-bands PIT effect offers an excellent potential to manipulate the light speed at multi-frequencies.
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