Title :
Inverse design of a nano-scale surface texture for light trapping
Author :
Miller, Owen D. ; Ganapati, Vidya ; Yablonovitch, Eli
Author_Institution :
Mater. Sci. Div., Lawrence Berkeley Nat. Lab., Berkeley, CA, USA
Abstract :
We introduce computational inverse design to optimize nano-scale surface textures for light trapping. The approach yields a structure with a 40.8 absorption enhancement factor, the highest reported for a high-index material in the full-wave domain.
Keywords :
light absorption; nanophotonics; radiation pressure; surface texture; absorption enhancement factor; computational inverse design; full-wave domain; high-index material; light trapping; nanoscale surface texture; Absorption; Charge carrier processes; Materials; Optical surface waves; Photovoltaic cells; Surface texture; Surface treatment;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6