Title :
Carrier capture studies in InGaAs quantum posts
Author :
Stehr, Dominik ; Morris, Christopher M. ; Talbayev, Diyar ; Wagner, Martin ; Kim, Hyochul ; Taylor, Antoinette J. ; Schneider, Harald ; Petroff, Pierre M. ; Sherwin, Mark S.
Author_Institution :
Phys. Dept., Univ. of California Santa Barbara, Santa Barbara, CA, USA
Abstract :
The capture dynamics of photogenerated carriers in InGaAs quantum posts (QPs) are investigated. We demonstrate that QPs efficiently capture carriers from the surrounding host material within a few picoseconds, making them attractive for device applications.
Keywords :
III-V semiconductors; electron capture; indium compounds; optical pumping; semiconductor quantum dots; carrier capture; photogenerated carriers; quantum posts; Electrons; Indium gallium arsenide; Optical materials; Physics; Pulse amplifiers; Quadratic programming; Quantum dot lasers; Semiconductor materials; Spectroscopy; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
