Rabi splitting and ac-Stark shift of a charged exciton

被引：29

作者：

Kroner, M. ^{[1
,2
]}

Lux, C. ^{[1
,2
]}

Seidl, S. ^{[1
,2
]}

Holleitner, A. W. ^{[1
,2
]}

Karrai, K. ^{[1
,2
]}

Badolato, A. ^{[3
]}

Petroff, P. M. ^{[3
]}

Warburton, R. J. ^{[4
]}

机构：

[1] Univ Munich, Ctr Nanosci, D-80539 Munich, Germany

[2] Univ Munich, Fak Phys, D-80539 Munich, Germany

[3] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA

[4] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1063/1.2837193

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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.

引用

页数：3

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