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Total light absorption in graphene
Sukosin Thongrattanasiri, Frank H. L. Koppens, F. Javier Garcia de Abajo
We demonstrate that 100% light absorption can take place in a single patterned sheet of doped graphene. General analysis shows that a planar array of small lossy particles exhibits…
Quasi-planar optics: computing light propagation and scattering in planar waveguide arrays
Sukosin Thongrattanasiri, Justin Elser, Viktor A. Podolskiy
We analyze wave propagation in coupled planar waveguides, pointing specific attention to modal cross-talk and out-of-plane scattering in quasi-planar photonics. An algorithm capabl…
Hyper-gratings: nanophotonics in planar anisotropic metamaterials
Sukosin Thongrattanasiri, Viktor A. Podolskiy
We present a technique capable of producing subwavelength focal spots in the far-field of the source in planar non-resonant structures. The approach combines the diffraction gratin…