Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper QFB2

Quantum beats from biexcitons in narrow quantum wells: polarization and density dependence

Not Accessible

Your library or personal account may give you access

Abstract

Transient four-wave mixing (TFWM) has been extensively used during the last few years to study exciton dynamics in semiconductors and in semiconductor heterostructures. These studies have provided significant insight into exciton dynamics in both ordered and disordered systems. There are, nevertheless, still certain aspects of the excitonic TFWM response that are not completely understood. In particular, a complete understanding of the polarization and intensity dependences of the signai strength, the decay of the time-integrated signal, and the temporal characteristics of the time-resolved signal has proven elusive. Recent theoretical and experimental work has indicated that exciton-exciton interactions are important.1·2 Such interactions include incoherent processes, such as excitation-induced dephasing, and the formation of biexcitons. Additionally, some of the phenomena result from disorder, making them sample dependent.

© 1995 Optical Society of America

PDF Article
More Like This
Dephasing of localized and delocalized excitons in disordered Cd1–xMnxTe/Cd0.60Mg0.40Te quantum wells

R. Hellmann, S. T. Cundiff, M. Koch, J. Feldmann, E. O. Göbel, G. Mackh, A. Waag, and G. Landwehr
QThF5 Quantum Electronics and Laser Science Conference (CLEO:FS) 1995

Polarization dependence of quantum beats between light-hole and heavy-hole excitons in GaAs quantum wells

J. Kuhl, E. J. Mayer, G. O. Smith, K. Bott, V. Heuckeroth, T. Meier, P. Thomas, S. W. Koch, R. Hey, and K. Ploog
QFD6 Quantum Electronics and Laser Science Conference (CLEO:FS) 1995

1.3-fs oscillation of the quantum coherence in a GaAs multiple quantum well: observation of the two-photon coherently excited biexciton

K. B. Ferrio, Nicolas Bonadeo, Duncan G. Steel, and Kuwata-Gonokami Makoto
QFB1 Quantum Electronics and Laser Science Conference (CLEO:FS) 1995

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved