Contains the keyword negative refractive-index

Kenanakis G, Zhao R, Stavrinidis A, Konstantinidis G, Katsarakis N, Kafesaki M, et al. Flexible chiral metamaterials in the terahertz regime: a comparative study of various designs. Opt Mater Express. 2012;2:1702-12. Abstract

Reyes-Coronado A, Acosta MF, Merino RI, Orera VM, Kenanakis G, Katsarakis N, et al. Self-organization approach for THz polaritonic metamaterials. Opt Express. 2012;20:14663-82. Abstract

Zhao R, Koschny T, Economou EN, Soukoulis CM. Repulsive Casimir forces with finite-thickness slabs. Phys Rev B. 2011;83:075108. Abstract

Manceau JM, Shen NH, Kafesaki M, Soukoulis CM, Tzortzakis S. Dynamic response of metamaterials in the terahertz regime: Blueshift tunability and broadband phase modulation. Applied Physics Letters. 2010;96:021111. Abstract

Soukoulis CM, Wegener M. Optical Metamaterials-More Bulky and Less Lossy. Science. 2010;330:1633-4.

Tassin P, Zhang L, Koschny T, Economou EN, Soukoulis CM. Planar designs for electromagnetically induced transparency in metamaterials. Optics Express. 2009;17:5595-605. Abstract

Shen NH, Kenanakis G, Kafesaki M, Katsarakis N, Economou EN, Soukoulis CM. Parametric investigation and analysis of fishnet metamaterials in the microwave regime. Journal of the Optical Society of America B-Optical Physics. 2009;26:B61-B67. Abstract

Shen NH, Foteinopoulou S, Kafesaki M, Koschny T, Ozbay E, Economou EN, et al. Compact planar far-field superlens based on anisotropic left-handed metamaterials. Physical Review B. 2009;80:115123. Abstract

Economou EN, Kafesaki M, Soukoulis CM, Koschny T. The Fourth Quadrant in the epsilon, mu Plane: A New Frontier in Optics. Journal of Computational and Theoretical Nanoscience. 2009;6:1827-36. Abstract

Wang BN, Koschny T, Soukoulis CM. Wide-angle and polarization-independent chiral metamaterial absorber. Physical Review B. 2009;80:033108. Abstract