Spectroscopy of polaritons in CdTe-based microcavities

被引：26
|
作者：
Andre, R [1 ]
Heger, D [1 ]
Dang, LS [1 ]
d'Aubigne, YM [1 ]
机构：
[1] Univ Grenoble 1, Spectrometrie Phys Lab, CNRS UMR C5588, F-38402 St Martin Dheres, France
来源：
JOURNAL OF CRYSTAL GROWTH | 1998年 / 184卷
关键词：
microcavity; exciton; oscillator strength; polariton; strong coupling;
D O I：
10.1016/S0022-0248(98)80158-9
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
We report on cavity polaritons arising from the strong coupling between quantum well excitons and the Fabry-Perot mode of a CdTe-based microcavity at 4 K. The sample, fully grown by molecular beam epitaxy, is a 3 lambda/2 cavity containing six CdTe quantum wells, embedded in CdMnTe/CdMgTe Bragg reflectors. The wedge-shaped structure of the sample allows the study of a multiple anticrossing between the photon mode and three excitonic levels: E1H1(1s), E1H1(2s) and E1L1(1s). This provides an accurate determination of the oscillator strength for each exciton. Finally, the Rabi splitting for the E1H1(1s) exciton is measured versus temperature up to 270 K. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：758 / 762
页数：5
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