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Conferences > QO > 1999 > QMB > QMB4

Observation of anomalously large blueshift of donor-acceptor pair transition peak in GaAs/AlGaAs coupled quantum wells with low residual impurity densities

X. Mu, Y. J. Ding, D. Yang, J. B. Khurgin, K. W. Alt, and K. L. Wang

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Abstract

As excitation (laser) intensity increases, the average distance between the occupied donors and acceptors decreases. As a result, due to the decrease of Coulomb interaction energy between the recombined donors and acceptors, the donor-acceptor pair (DAP) transition energy shifts to high energy (i.e., blueshift) [1].

© 1999 Optical Society of America

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