Maksymov, IvanMiroshnichenko, AndreyKivshar, Yuri2015-12-08September9781457704796http://hdl.handle.net/1885/32519We suggest and theoretically study a novel tunable plasmonic Yagi-Uda nanoantenna driven by means of a feed element consisting of two closely spaced metal nanobars separated by a gap filled with a semiconductor. Through extensive numerical simulations weKeywords: All-optical; Far-field region; Free carrier density; Nanoantennas; Nanobars; Near-field; Plasmonic; Spectral tuning; Natural language processing systems; Plasmons201110.1109/NLP.2011.61026682016-02-24