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8 papers · 2 filters
Dual-Band Negative Index Metamaterial: Double-Negative at 813 nm and Single-Negative at 772 nm
Uday K. Chettiar, Alexander V. Kildishev, Hsiao-Kuan Yuan +4
This work is concerned with the experimental demonstration of a dual-band negative index metamaterial. The sample is double-negative (showing both a negative effective permeability…
Optical Cloaking with Non-Magnetic Metamaterials
Wenshan Cai, Uday K. Chettiar, Alexander V. Kildishev +1
Artificially structured metamaterials have enabled unprecedented flexibility in manipulating electromagnetic waves and producing new functionalities, including the cloak of invisib…
A negative permeability material at red light
Hsiao-Kuan Yuan, Uday K. Chettiar, Wenshan Cai +4
Experimental demonstration of a negative permeability due to near-field coupling of periodic thin silver strips is presented. Two samples with different strip thicknesses are fabri…
Comment on "Negative Refractive Index in Artificial Metamaterials" [A. N. Grigorenko, Opt. Lett., 31, 2483 (2006)]
Alexander V. Kildishev, Vladimir P. Drachev, Uday K. Chettiar +3
A key optical parameter characterizing the existence of negative refraction in a thin layer of a composite material is the effective refractive index of an equivalent, homogenized…
Effect of an Optical Negative Index Thin Film on Optical Bistability
N. M. Litchinitser, I. R. Gabitov, A. I. Maimistov +1
We investigate nonlinear transmission in a layered structure consisting of a slab of positive index material (PIM) with Kerr-type nonlinearity and a sub-wavelength layer of linear…
Negative index metamaterial combining magnetic resonators with metal films
Uday K. Chettiar, Alexander V. Kildishev, Thomas A. Klar +1
We present simulation results of a design for negative index materials that uses magnetic resonators to provide negative permeability and metal film for negative permittivity. We a…