Title of article :
Level bleaching in a single quantum dot observed by photocurrent spectroscopy
Author/Authors :
Evelin Beham، نويسنده , , Artur Zrenner، نويسنده , , Frank Findeis، نويسنده , , Max Bichler، نويسنده , , Gerhard Abstreiter، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2002
Abstract :
We report about level bleaching in the ground state of a single In0.5Ga0.5As quantum dot, which is observed in terms of a saturation of the photocurrent with increasing excitation power. Our results are explained by a rate equation model for the quantum dot as a two-level system.
Keywords :
Tunneling time , Single self-assembled quantum dots , Photocurrent
Journal title :
Physica E Low-dimensional Systems and Nanostructures
Journal title :
Physica E Low-dimensional Systems and Nanostructures
