Four-wave-mixing studies of quantum-well excitons in a magnetic field

O. Carmel and I. Bar-Joseph
Phys. Rev. B 47, 7606 – Published 15 March 1993
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Abstract

We report the results of four-wave-mixing experiments in GaAs quantum wells in a magnetic field. We find that the time evolution of the excitonic signal is strongly modified when a magnetic field is applied. Quantum beats, rotation of the echo polarization, recovery of the echo for cross-polarized exciting beams, and an increase in the dephasing times are observed.

  • Received 7 December 1992

DOI:https://doi.org/10.1103/PhysRevB.47.7606

©1993 American Physical Society

Authors & Affiliations

O. Carmel and I. Bar-Joseph

  • Department of Physics, The Weizmann Institute of Science, Rehovot 76100, Israel

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Vol. 47, Iss. 12 — 15 March 1993

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