Title :
Superfocusing properties of disorder-enhanced plasmonic nanolenses
Author :
Totero Gongora, J.S. ; Coluccio, M.L. ; Zaccaria, R.P. ; di Fabrizio, E.M. ; Fratalocchi, A.
Author_Institution :
Fac. of Electr. Eng.; Appl., Math. & Comput. Sci., King Abdullah Univ. of Sci. & Technol. (KAUST), Thuwal, Saudi Arabia
Abstract :
We investigated a disordered plasmonic nanolens using an extensive campaign of FDTD simulations. Our results show that surface roughness plays a crucial role in the enhancement of the electromagnetic energy with respect to regular structures.
Keywords :
finite difference time-domain analysis; lenses; nanophotonics; optical focusing; plasmonics; surface roughness; FDTD simulations; disorder-enhanced plasmonic nanolenses; electromagnetic energy enhancement; finite difference time-domain analysis; superfocusing properties; surface roughness; Corrugated surfaces; Finite difference methods; Geometry; Plasmons; Surface roughness; Time-domain analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
