Rabi oscillations in the excitonic ground-state transition of InGaAs quantum dots

Borri, Paola ORCID: https://orcid.org/0000-0002-7873-3314, Langbein, Wolfgang ORCID: https://orcid.org/0000-0001-9786-1023, Schneider, S., Woggon, U., Sellin, R., Ouyang, D. and Bimberg, D. 2002. Rabi oscillations in the excitonic ground-state transition of InGaAs quantum dots. Physical Review B 66 (8) , 081306(R). 10.1103/PhysRevB.66.081306

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Abstract

We present measurements and calculations of optical Rabi oscillations in the excitonic ground-state transition of an InGaAs quantum dot ensemble at low temperature. Rabi oscillations which are damped versus pulse area and change period when changing pulse duration are observed. Comparisons with calculations show that the observed damping is not intrinsic to a single dot. Dephasing processes and the biexciton resonance change the amplitude and the period of the oscillations, respectively, while the damping versus pulse area is due to a distribution of transition dipole moments in the ensemble.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	American Physical Society
ISSN:	0163-1829
Last Modified:	10 Jul 2024 19:18
URI:	https://orca.cardiff.ac.uk/id/eprint/48864

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