Transient four-wave mixing of single exciton states: Exciton-exciton interaction and Rabi oscillations

Patton, B., Langbein, Wolfgang Werner ORCID: https://orcid.org/0000-0001-9786-1023 and Woggon, U. 2005. Transient four-wave mixing of single exciton states: Exciton-exciton interaction and Rabi oscillations. Presented at: American Institute of Physics 27th International Conference on the Physics of Semiconductors, Flagstaff, AZ, 26-30 July 2004. Published in: Menéndez, José and Van de Walle, Chris G. eds. Physics of semiconductors : 27th International Conference on the Physics of Semiconductors : ICPS-27 : Flagstaff, Arizona, 26-30 July, 2004. AIP conference proceedings , vol.772 Melville, N.Y.: American Institute of Physics, p. 1232. 10.1063/1.1994558

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Abstract

We present a novel heterodyne‐detected four‐wave mixing technique, which determines the third‐order nonlinear polarization in phase and amplitude by spectral interferometry. It allows us to measure the resonant transient four‐wave mixing of single localized excitons, both frequency and time‐resolved. In the signal, the strength of the coupling between two probed exciton transitions is directly observable. Applying a strong optical pump pulse, we observe optical Rabi oscillations of the exciton polarization. Observing decay of the third‐order polarization after the pump pulse, we can exclude the presence of signi£cant excitation‐induced dephasing.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	American Institute of Physics
ISBN:	0735402574
ISSN:	0094-243X
Related URLs:	Organisation
Last Modified:	28 Oct 2022 08:35
URI:	https://orca.cardiff.ac.uk/id/eprint/71374

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