Nanoscale shaping and focusing of visible light in planar metal-oxide-silicon waveguides David, Asaf ; Gjonaj, Bergin ; Blau, Yochai ; Dolev, Shimon ; Bartal, Guy Abstract Publication: Optica Pub Date: December 2015 DOI: 10.1364/OPTICA.2.001045 Bibcode: 2015Optic...2.1045D