118 citations · 514 across the 13 of their papers we have counts for
5 papers · 1 filter
Interplay of the exciton and electron-hole plasma recombination on the photoluminescence dynamics in bulk GaAs
A. Amo, M. D. Martin, L. Vina +2
We present a systematic study of the exciton/electron-hole plasma photoluminescence dynamics in bulk GaAs for various lattice temperatures and excitation densities. The competition…
Influence of Trapping on the Exciton Dynamics of Al_xGa_1-xAs Films
A. Amo, M. D. Martin, L. Klopotowski +3
We present a systematic study on the exciton relaxation in high purity AlGaAs epilayers. The time for the excitonic photoluminescence to reach its maximum intensity (t_max) shows a…
Carrier and Light Trapping in Graded Quantum Well Laser Structures
G. Aichmayr, M. D. Martin, H. van der Meulen +6
We investigated the carrier and light trapping in GaInAs/AlGaAs single quantum well laser structures by means of time resolved photoluminescence and Raman spectroscopy. The influen…
Spin relaxation in low-dimensional systems
L. Vina
We review some of the newest findings on the spin dynamics of carriers and excitons in GaAs/GaAlAs quantum wells. In intrinsic wells, where the optical properties are dominated by…
Electric-Field Tuning of Spin-Dependent Exciton-Exciton Interactions in Coupled Quantum Wells
G. Aichmayr, M. Jetter, L. Vina +3
We have shown experimentally that an electric field decreases the energy separation between the two components of a dense spin-polarized exciton gas in a coupled double quantum wel…