Tendentious tilings
Abstract
NEWS & VIEWS z mirror, reduced-loss backward waves in related metal–dielectric–metal waveguide 1–3 Input structures , as well as in conceptually Negative t x 4,5 refraction z distinct photonic metamaterials . As Lezec (φ < 0) t and colleagues demonstrate, such tailored Output metallic nanostructures provide us with Input φ slit slit 1 many new opportunities for optics and Ouput Positive photonics applications that natural optical W2 W1 refraction substances...