Maksymov, IvanStaude, IsabelleDecker, ManuelNeshev, DragomirJagadish, ChennupatiTan, Hark HoeMiroshnichenko, AndreyKivshar, Yuri2015-12-13May 6-11 29781467318396http://hdl.handle.net/1885/71324Plasmonic Yagi-Uda nanoantennas are narrowband because their bandwidth is compromised by their unidirectionality. We propose and study arrayed nanoantennas offering broadband unidirectional emission enhancement with a high radiation efficiency.Keywords: Emission enhancement; High radiation efficiency; Nanoantennas; Narrow bands; Plasmonic; Unidirectionality; Lasers20122016-02-24