ANTI-STOKES LUMINESCENCE IN A COUPLED SYSTEM - A NATURAL CONSEQUENCE OF QUANTUM OSCILLATION

Authors
KIM DS KO HS KIM YM RHEE SJ HONG SC YEE YH YEE DS KHIM JS KIM WS WOO JC
Citation
Ds. Kim et al., ANTI-STOKES LUMINESCENCE IN A COUPLED SYSTEM - A NATURAL CONSEQUENCE OF QUANTUM OSCILLATION, Progress in crystal growth and characterization of materials, 33(1-3), 1996, pp. 161-168
Citations number
9
Categorie Soggetti
Crystallography,"Materials Science, Characterization & Testing
Journal title
Progress in crystal growth and characterization of materials → ACNP
ISSN journal
09608974
Volume
33
Issue
1-3
Year of publication
1996
Pages
161 - 168
Database
ISI
SICI code
0960-8974(1996)33:1-3<161:ALIACS>2.0.ZU;2-3
Abstract
Strong anti-Stokes (AS) luminescence from the narrow well (NW) is obse rved in GaAs/AlxGa1-xAs asymmetric double quantum wells when the wide well (WW) is photoexcited. The normalized efficiency of this AS lumine scence decreases slightly with temperature and excitation intensity. F urthermore, the normalized efficiency is of the same order of magnitud e with the Stokes transfer rate from the NW to the WW. From these resu lts, we propose quantum oscillation of electron and hole wave function s as the mechanism for the AS luminescence.