Bi-anisotropy of multiple-layer fishnet negative-index metamaterials due to angled sidewalls | Zendy

Zahyun Ku | Zendy; Jingyu Zhang | Zendy; S. R. J. Brueck | Zendy

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Bi-anisotropy of multiple-layer fishnet negative-index metamaterials due to angled sidewalls

Author(s) -

Zahyun Ku,

Jingyu Zhang,

S. R. J. Brueck

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.006782

Subject(s) - finite difference time domain method , metamaterial , optics , refractive index , materials science , anisotropy , asymmetry , terahertz radiation , rigorous coupled wave analysis , fabrication , optoelectronics , physics , diffraction grating , wavelength , medicine , alternative medicine , pathology , quantum mechanics

Simulation results of near infrared (100- to 200-THz) fishnet-structure negative-index metamaterials (NIMs) with single and multiple functional layers exhibit bi-anisotropy - inhomogeneous asymmetry - due to the presence of a sidewall-angle. The influence of sidewall-angle resulting from realistic fabrication processes is investigated through the retrieved effective parameters by both a three-dimensional finite-difference time-domain (FDTD) method and a rigorous coupled wave analysis (RCWA).

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