Photonic-plasmonic-coupled nanoantennas for polarization-controlled multispectral nanofocusing Trevino, J. ; Walsh, G. F. ; Pecora, E. F. ; Boriskina, S. V. ; Dal Negro, L. Abstract Publication: Optics Letters Pub Date: November 2013 DOI: 10.1364/OL.38.004861 Bibcode: 2013OptL...38.4861T