Electrical Excitation of Confined Surface Plasmon Polaritons in Metallic Slot Waveguides Neutens, Pieter ; Lagae, Liesbet ; Borghs, Gustaaf ; Van Dorpe, Pol Abstract Publication: Nano Letters Pub Date: April 2010 DOI: 10.1021/nl1003416 Bibcode: 2010NanoL..10.1429N