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Effect of detuning on the phonon induced dephasing of optically driven InGaAs/GaAs quantum dots

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9 Author(s)
Ramsay, A.J. ; Department of Physics and Astronomy, University of Sheffield, Sheffield, S3 7RH, United Kingdom ; Godden, T.M. ; Boyle, S.J. ; Gauger, E.M.
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Recently, longitudinal acoustic phonons have been identified as the main source of the intensity damping observed in Rabi rotation measurements of the ground-state exciton of a single InAs/GaAs quantum dot. Here we report experiments of intensity damped Rabi rotations in the case of detuned laser pulses. The results have implications for the coherent optical control of both excitons and spins using detuned laser pulses.

Published in:

Journal of Applied Physics  (Volume:109 ,  Issue: 10 )