Title :
Absorption enhancement in 2D nanocrystal superlattices through near-field dipolar coupling: A novel optical phenomenon at the nanoscale
Author :
Geiregat, Pieter ; Omari, Abdoulghafar ; Justo, Yolanda ; Van Thourhout, Dries ; Hens, Zeger
Author_Institution :
Phys. & Chem. of Nanostruct. Group, Univ. of Ghent, Ghent, Belgium
Abstract :
We demonstrate giant and broadband enhancement of the nanocrystal absorption cross section in close packed nanocrystal superlattices, which is the first report on a collective optical phenomenon in this type of self-assembled metamaterials to date.
Keywords :
light absorption; nanophotonics; nanostructured materials; optical metamaterials; optical multilayers; self-assembly; superlattices; 2D nanocrystal superlattices; absorption enhancement; broadband enhancement; close packed nanocrystal superlattices; collective optical phenomenon; giant enhancement; nanocrystal absorption cross section; near-field dipolar coupling; self-assembled metamaterials; Absorption; Couplings; Nanocrystals; Optical coupling; Optical device fabrication; Optical superlattices;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
