Title :
Subbandgap photoluminescence of Si photonic crystal nanocavity at room temperature
Author :
Shakoor, Abdul ; Faolain, Liam O. ; Galli, Matteo ; Savio, Roberto Lo ; Portalupi, Simone Luca ; Welna, Karl ; Gerace, Dario ; Guizzetti, Giorgio ; Andreani, Lucio C. ; Krauss, Thomas F. ; Irrera, Alessia ; Franzò, Giorgia ; Priolo, Francesco
Author_Institution :
Sch. of Phys. & Astron., Univ. of St. Andrews, St. Andrews, UK
Abstract :
Using a photonic crystal cavity and a hydrogen plasma treatment, we enhance the photoluminescence (PL) from optically active defects in silicon by a factor of 3000 compared to the as-bought material at room temperature.
Keywords :
crystal defects; elemental semiconductors; nanostructured materials; photoluminescence; photonic band gap; photonic crystals; plasma materials processing; silicon; Si; defects; hydrogen plasma treatment; photonic crystal nanocavity; subbandgap photoluminescence; temperature 293 K to 298 K; Cavity resonators; Hydrogen; Plasma temperature; Silicon; Temperature;
Conference_Titel :
Group IV Photonics (GFP), 2011 8th IEEE International Conference on
Conference_Location :
London
Print_ISBN :
978-1-4244-8338-9
DOI :
10.1109/GROUP4.2011.6053736
