Title :
Evidence of symmetry breaking and carrier dynamics in lead salt quantum dots
Author :
Nootz, Gero ; Padilha, Lazaro A. ; Webster, Scott ; Hagan, David J. ; Van Stryland, Eric W. ; Levina, Larissa ; Sukhovatkin, Vlad ; Sargent, Edward H.
Author_Institution :
CREOL & FPCE, Univ. of Central Florida, Orlando, FL, USA
Abstract :
We report multi-carrier dynamics and two-photon absorption in lead-salt quantum dots. Inter and intra-band relaxation as well as Auger recombination is observed, along with breaking of the one and two-photon transition selection rules.
Keywords :
Auger effect; electron-hole recombination; photon-photon interactions; quantum dots; spontaneous symmetry breaking; Auger recombination; inter-band relaxation; intra-band relaxation; lead salt quantum dots; multicarrier dynamics; symmetry breaking; two-photon absorption; Absorption; Excitons; Fluorescence; Nonlinear optics; Phonons; Quantum computing; Quantum dots; Radiative recombination; Spectroscopy; Ultrafast optics; (300.6420) Spectroscopy, nonlinear; (320.7150) Ultrafast spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
