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A metal-wire/quantum-dot composite metamaterial with negative and compensated optical loss
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View: Figures


Image of FIG. 1.
FIG. 1.

Left: the electric and magnetic field directions of the incident wave with wave vector are shown for two main polarizations. Middle: structure of the metamaterial with a sc quantum-dot lattice interspersed with silver nanorods. In the case of only one silver nanorod per two unit cells, the nanorods drawn with dashed line side edges are removed. Right: spherical shell QD structure.

Image of FIG. 2.
FIG. 2.

(a) Real and (b) imaginary parts of the effective dielectric function calculated with the use of the FDTD method for two polarizations, for systems with one silver nanorod per one and two unit cells, as indicated by the legends.

Image of FIG. 3.
FIG. 3.

(a) Real and (b) imaginary parts of the dielectric function of the Ag-nanorod/gain-QD metamaterial calculated using MG theory. Results are for the two light polarizations, and the two metal filling factors and 0.032 correspond to one Ag nanorod per one or two unit cells, respectively, which are analogous to Fig. 2.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A metal-wire/quantum-dot composite metamaterial with negative ε and compensated optical loss