Title :
Ultrafast carrier relaxation dynamics in InN films
Author :
Fukunaga, K. ; Hashimoto, M. ; Kunugita, H. ; Kamimura, J. ; Kikuchi, A. ; Kishino, K. ; Ema, K.
Author_Institution :
Dept. of Eng. & Appl. Sci., Sophia Univ., Tokyo, Japan
Abstract :
Ultrafast and slow photo-carrier dynamics in InN films were investigated using femtosecond transient measurements. We found the slow component disappears under the optimized condition due to the equilibrium of band filling and bandgap renormalization effects.
Keywords :
carrier relaxation time; high-speed optical techniques; indium compounds; optical films; optical variables measurement; wide band gap semiconductors; band filling equilibrium; bandgap renormalization effects; femtosecond transient measurements; slow photo-carrier dynamics; ultrafast carrier relaxation dynamics; Charge carrier density; Density measurement; Electron mobility; Filling; Laser excitation; Optical modulation; Optical scattering; Photonic band gap; Temperature measurement; Ultrafast optics; InN; band filling; bandgap renormalization; carrier relaxation;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292592
