Title :
Advanced disc-ring optical nanoantennas investigated by photoelectron emission microscopy (PEEM)
Author :
Kaiser, Thomas ; Falkner, Matthias ; Jing Qi ; Steinert, Michael ; Menzel, Christoph ; Rockstuhl, Carsten ; Pertsch, Thomas
Author_Institution :
Inst. of Appl. Phys., Friedrich-Schiller-Univ., Jena, Germany
Abstract :
We theoretically and experimentally investigate circular plasmonic disc nanoantennas enhanced in their performance by a surrounding Bragg grating ring structure. PEEM investigations are demonstrated to provide unprecedented insights into the field localization and enhancement.
Keywords :
Bragg gratings; metamaterial antennas; nanophotonics; photoelectron microscopy; plasmonics; Bragg grating ring structure; PEEM; circular plasmonic disc nanoantennas; disc-ring optical nanoantennas; field enhancement; field localization; photoelectron emission microscopy; Optical filters; Optical imaging; Optical pulses; Photoelectron microscopy; Plasmons; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
