Direct observation of the biexciton ground state in semiconductor quantum dots

A. D. Kepner, K. I. Kang, Y. Z. Hu, S. V. Gaponenko, S. W. Koch, N. Peyghambarian

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The usual pump-probe experimental approach was modified by adding a third laser beam called the 'saturator' beam. The role of the saturator, with an intensity much larger than that of the pump, was to constantly saturate the lowest-energy exciton transition of the larger dots in the samples. Thus the bleaching of the lowest-energy exciton transition in the larger dots did not hide the induced absorption due to biexciton formation in the smaller dots.

Original languageEnglish (US)
Title of host publicationProceedings of the International Quantum Electronics Conference (IQEC'94)
PublisherPubl by IEEE
Pages135-136
Number of pages2
ISBN (Print)0780319737
StatePublished - Dec 1 1994
EventProceedings of the 21st International Quantum Electronics Conference (IQEC'94) - Anaheim, CA, USA
Duration: May 8 1994May 13 1994

Publication series

NameProceedings of the International Quantum Electronics Conference (IQEC'94)

Other

OtherProceedings of the 21st International Quantum Electronics Conference (IQEC'94)
CityAnaheim, CA, USA
Period5/8/945/13/94

ASJC Scopus subject areas

  • Engineering(all)

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