Title :
Terahertz Electric Polarizability of Multiple Excitons in CdSe Quantum Dots
Author :
Dakovski, Georgi L. ; Kubera, Brian ; Mathur, Harsh ; Shan, Jie
Author_Institution :
Case Western Reserve Univ., Cleveland
Abstract :
Dependence of the polarizability of a QD on the number of excitons in it was investigated. A simple model of weakly interacting charge carriers in an infinite spherical potential well agrees well with the experiment.
Keywords :
II-VI semiconductors; cadmium compounds; excitons; semiconductor quantum dots; submillimetre wave spectra; CdSe; CdSe quantum dots; infinite spherical potential well; multiple excitons; terahertz electric polarizability; terahertz time-domain spectroscopy; weakly interacting charge carriers; Charge carriers; Energy states; Excitons; Optical polarization; Optical pulses; Optical pumping; Potential well; Probes; Quantum dots; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453353
