Title :
Space-and-time-resolved spectroscopy of single GaN nanowires
Author :
Upadhya, Prashanth C. ; Martinez, Julio A. ; Li, Qiming ; Wang, George T. ; Swartzentruber, Brian S. ; Taylor, Antoinette J. ; Prasankumar, Rohit P.
Author_Institution :
Center for Integrated Nanotechnol., Los Alamos Nat. Lab., Los Alamos, NM, USA
Abstract :
Spatially-resolved ultrafast transient absorption measurements on a single GaN nanowire give insight into carrier relaxation dynamics as a function of the laser polarization and position on the nanowire on a femtosecond timescale.
Keywords :
III-V semiconductors; carrier relaxation time; gallium compounds; high-speed optical techniques; nanowires; time resolved spectra; wide band gap semiconductors; GaN; carrier relaxation dynamics; femtosecond timescale; laser polarization; single nanowire; space-resolved spectroscopy; spatially-resolved ultrafast transient absorption measurements; time-resolved spectroscopy; Gallium nitride; Nanowires; Optical imaging; Optical polarization; Optical pumping; Semiconductor device measurement; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
