Modulation of Negative Index Metamaterials in the Near-IR Range

Details Modulation of Negative Index Metamaterials in the Near-IR Range Modulation of Negative Index Metamaterials in the Near-IR Range

2007-08-15

arxiv.org/abs/0708.2095v1

Physics

Condensed Matter

Materials Science

11 figures, 4 figures

Scientific paper

10.1063/1.2801701

Optical modulation of the effective refractive properties of a "fishnet" metamaterial with a Ag/Si/Ag heterostructure is demonstrated in the near-IR range and the associated fast dynamics of negative refractive index is studied by pump-probe method. Photo excitation of the amorphous Si layer at visible wavelength and corresponding modification of its optical parameters is found to be responsible for the observed modulation of negative refractive index in near-IR.

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