Femtosecond optical gain in strongly confined quantum dots

H. Giessen, U. Woggon, B. Fluegel, G. Mohs, Y. Z. Hu, S. W. Koch, N. Peyghambarian

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Optical gain was found in strongly confined CdSe quantum dots. As a result of a multitude of one- and two-electron-hole pair transitions, the gain region is broad and quasi-continuous and stretches below the absorption edge. We present a model for gain in a quasi-zero-dimensional quantum confined semiconductor system that agrees well with the femtosecond experiments.

Original languageEnglish (US)
Pages (from-to)1043-1045
Number of pages3
JournalOptics letters
Volume21
Issue number14
DOIs
StatePublished - Jul 15 1996

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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