Title :
Ultrafast intersubband relaxation dynamics in GaN/AlN multiple quantum wells using two-color pump-probe technique
Author :
Hamazaki, J. ; Ikuno, K. ; Takahashi, H. ; Kunugita, H. ; Ema, K. ; Kikuchi, A. ; Kishino, K.
Author_Institution :
Dept. of Phys., Sophia Univ., Tokyo, Japan
Abstract :
This study investigates the detail of ultrafast intersubband relaxation dynamics in GaN/AlN quantum wells. The experiment uses a two-color pump-probe technique at room temperature. Results show the temporal traces of the change in the transmittance of the probe pulses.
Keywords :
III-V semiconductors; aluminium compounds; gallium compounds; high-speed optical techniques; semiconductor quantum wells; 293 to 298 K; GaN-AlN; GaN-AlN quantum wells; intersubband relaxation dynamics; multiple quantum wells; probe pulses; room temperature; transmittance; two-color pump-probe technique; ultrafast relaxation dynamics; Absorption; Delay; Electrons; Gallium nitride; Light scattering; Optical pulses; Optical scattering; Probes; Pulse amplifiers; Temperature;
Conference_Titel :
Quantum Electronics Conference, 2005. EQEC '05. European
Print_ISBN :
0-7803-8973-5
DOI :
10.1109/EQEC.2005.1567347
