Spectral feature of short radiative lifetime quantum dot

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Abstract

We report on photoluminescence on single GaAs quantum dots. We show that, because the quantum dots have short radiative lifetime, the biexciton line is composed of various contributions originating from the Coulomb interaction with higher energy excitons. This appears as a broad low energy sideband on the biexciton line, that appears whenever the biexciton is observed. A simple model allows us to account for our observations and to show that this sideband is the spectral signature of ultra fast quantum dots in continuous wave measurements.

Original languageEnglish
Title of host publicationPHYSICS OF SEMICONDUCTORS
Subtitle of host publication27th International Conference on the Physics of Semiconductors, ICPS-27
Pages707-708
Number of pages2
DOIs
Publication statusPublished - 30 Jun 2005
EventPHYSICS OF SEMICONDUCTORS: 27th International Conference on the Physics of Semiconductors, ICPS-27 - Flagstaff, AZ, United States
Duration: 26 Jul 200430 Jul 2004

Publication series

NameAIP Conference Proceedings
Volume772
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferencePHYSICS OF SEMICONDUCTORS: 27th International Conference on the Physics of Semiconductors, ICPS-27
Country/TerritoryUnited States
CityFlagstaff, AZ
Period26/07/0430/07/04

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