Coherent Excitation Spectroscopy on Inhomogeneous Exciton Ensembles

A. Euteneuer, E. Finger, M. Hofmann, W. Stolz, T. Meier, P. Thomas, S. W. Koch, W. W. Rühle, R. Hey, and K. Ploog
Phys. Rev. Lett. 83, 2073 – Published 6 September 1999
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Abstract

A new spectroscopic technique is demonstrated on three characteristically different semiconductor quantum-well samples. Coherent excitation spectroscopy reveals coherent coupling and effectively suppresses the signatures of inhomogeneous broadening and incoherent transfer between various excitonic states in quantum wells. Coherently coupled homogeneous subsystems are analyzed in an inhomogeneously broadened excitonic ensemble.

  • Received 14 April 1999

DOI:https://doi.org/10.1103/PhysRevLett.83.2073

©1999 American Physical Society

Authors & Affiliations

A. Euteneuer, E. Finger, M. Hofmann, W. Stolz, T. Meier, P. Thomas, S. W. Koch, and W. W. Rühle

  • Fachbereich Physik und Wissenschaftliches Zentrum für Materialwissenschaften, Philipps-Universität Marburg, D-35032 Marburg, Germany

R. Hey and K. Ploog

  • Paul-Drude-Institut für Festkörperelektronik, D-10117 Berlin, Germany

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Vol. 83, Iss. 10 — 6 September 1999

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