Title :
Efficient electron spin detection with positively charged quantum dots
Author :
Hall, K.C. ; Gundogdu, K. ; Zhang, L. ; Boggess, T.F. ; Deppe, D.G. ; Shchekin, O.B.
Author_Institution :
Dept. of Phys. & Astron., Iowa Univ., Iowa City, IA, USA
Abstract :
Using polarization sensitive time-resolved photoluminescence upconversion experiments, we demonstrate that positively charged quantum dots act as a highly efficient detector for spin polarized electrons in semiconductor heterostructures.
Keywords :
electron relaxation time; electron spin polarisation; magnetoelectronics; photoluminescence; semiconductor quantum dots; time resolved spectra; electron spin detection; polarization sensitive upconversion; positively charged quantum dots; semiconductor heterostructures; spin polarized electrons; time-resolved photoluminescence; Delay; Electron optics; Gallium arsenide; Optical polarization; Optical sensors; Photoluminescence; Quantum computing; Quantum dots; US Department of Transportation; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.237994
