Title :
Negative refraction due to discrete plasmon diffraction
Author :
Kriesch, Arian ; Lee, Ho Wai Howard ; Ploss, Daniel ; Burgos, Stanley P. ; Pfeifer, Hannes ; Naeger, Jakob ; Atwater, Harry A. ; Peschel, Ulf
Author_Institution :
Inst. of Opt., Inf. & Photonics, Univ. Erlangen-Nuremberg, Erlangen, Germany
Abstract :
We experimentally demonstrate spectrally broad (λ0=1200-1800 nm) in-plane negative diffraction of SPPs in an array of plasmonic channel waveguides with negative mutual coupling resulting in negative refraction on the array´s interface and refocusing in an adjacent metal layer.
Keywords :
light diffraction; light refraction; optical arrays; optical waveguides; plasmonics; polaritons; surface plasmons; SPP; array interface; discrete plasmon diffraction; metal layer refocusing; negative refraction; plasmonic channel waveguide array; spectrally broad in-plane negative diffraction; wavelength 1200 nm to 1800 nm; Arrays; Couplings; Diffraction; Dispersion; Optical diffraction; Optical waveguides; Plasmons;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
