Abstract
The effect of nonequilibrium acoustic phonon flux on the photoluminescence of an ultrathin quantum well CdTe/ZnTe upon its quasi-resonant excitation by a He-Ne laser was studied. It is found that the phonon flux generated by an external source affects the quantum well luminescence bandshape even at small lasing power and large (up to 1 cm) distance between the phonon generation zone and the quasi-resonant luminescence excitation zone. It is assumed that the phonon flux stimulates exciton in-plane (lateral) migration in the quantum well through the tunneling between the local potential minima accompanied by induced phonon emission.
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 73, No. 8, 2001, pp. 451–455.
Original Russian Text Copyright © 2001 by Onishchenko, Bagaev, Za\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \)tsev.
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Onishchenko, E.E., Bagaev, V.S. & Zaitsev, V.V. Anomalous phonon wind effect on the lateral exciton migration in ultrathin quantum well CdTe/ZnTe. Jetp Lett. 73, 404–407 (2001). https://doi.org/10.1134/1.1381637
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DOI: https://doi.org/10.1134/1.1381637