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Observation of Phonon Bottleneck in Quantum Dot Electronic Relaxation

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Abstract

Time-resolved differential transmission measurements of self-assembled In0.4Ga0.6As quantum dots indicate a phonon bottleneck between the n=2 and n=l electronic levels. The bottleneck signal is observable in the low carrier density regime where the rate of electron-hole scattering is low.

© 2001 Optical Society of America

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