Femtosecond chirp-free studies of energy relaxation in semiconductor quantum dots: Search for a phonon bottleneck

Victor Klimov; Duncan McBranch

Quantum Electronics and Laser Science Conference
OSA Technical Digest (Optica Publishing Group, 1997),
paper QPD18

Femtosecond chirp-free studies of energy relaxation in semiconductor quantum dots: Search for a phonon bottleneck

Victor Klimov and Duncan McBranch

Quantum Electronics and Laser Science Conference 1997

Baltimore, Maryland United States
18–23 May 1997
ISBN: 1-55752-501-3

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V. Klimov and D. McBranch, "Femtosecond chirp-free studies of energy relaxation in semiconductor quantum dots: Search for a phonon bottleneck," in Quantum Electronics and Laser Science Conference, J. Bokor, R. Slusher, P. Bucksbaum, and R. Falcone, eds., Vol. 12 of OSA Technical Digest (Optica Publishing Group, 1997), paper QPD18.

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Abstract

Contrary to the predictions of phonon bottleneck theories, we observe very fast subpicosecond energy relaxation in strongly confined semiconductor nanocrystals with electron level spacing as large as 20 LO phonon energies.

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