Title :
Valence band engineering and polarization switching in quantum dots grown in inverted pyramids
Author :
Troncale, Valentina ; Karlsson, Karl Fredrik ; Pelucchi, Emanuele ; Rudra, Alok ; Dwir, Benjamin ; Kapon, Eli
Author_Institution :
Lab. of Phys. of Nanostruct. (LPN), Ecole Polytech. Fed. de Lausanne (EPFL), Ecublens
Abstract :
Control on the degree of valence band mixing is experimentally achieved in the particular GaAs/AlGaAs quantum Dot-in-Dot (DiD) structure. The effect is reflected by the tunable polarization of the emitted photons.
Keywords :
III-V semiconductors; gallium arsenide; gallium compounds; light polarisation; optical tuning; semiconductor quantum dots; valence bands; GaAs-AlGaAs; inverted pyramids; polarization switching; quantum dot-in-dot structure; quantum dots; valence band engineering; valence band mixing; Gallium arsenide; Geometry; Laboratories; MOCVD; Optical polarization; Physics; Potential well; Quantum dots; Stationary state; Wire;
Conference_Titel :
IEEE/LEOS Winter Topicals Meeting Series, 2009
Conference_Location :
Innsbruck
Print_ISBN :
978-1-4244-2610-2
Electronic_ISBN :
978-1-4244-2611-9
DOI :
10.1109/LEOSWT.2009.4771677
