Kroner, M., Lux, C., Seidl, S., Holleitner, A.W., Karrai, K., Badolato, A. , Petroff, P.M. and Warburton, R.J. (2008) Rabi splitting and ac-Stark shift of a charged exciton. Applied Physics Letters, 92(3), 031108. (doi: 10.1063/1.2837193)
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Abstract
The Rabi splitting of the negatively charged exciton in a single InGaAs quantum dot is observed in resonance transmission spectroscopy. We use a pump laser excitation to drive strongly the unpolarized trion transition in a quantum dot and detect its modified absorption spectrum with a second weak probe laser. By tuning the pump laser near resonance, we observe an ac-Stark effect dispersion, with a power dependent Rabi splitting on resonance, both signatures of a strongly coupled two level system. Although the pump and probe laser fields are resonant with the same transition, we do not observe all features in the Mollow spectrum. We combine the results of pump probe with saturation spectroscopy data to deduce the individual contributions to the low power linewidth.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Badolato, Professor Antonio |
| Authors: | Kroner, M., Lux, C., Seidl, S., Holleitner, A.W., Karrai, K., Badolato, A., Petroff, P.M., and Warburton, R.J. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Applied Physics Letters |
| Publisher: | AIP Publishing |
| ISSN: | 0003-6951 |
| ISSN (Online): | 1077-3118 |
| Published Online: | 23 January 2008 |
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