Tunnel-assisted manipulation of intersubband polaritons in asymmetric coupled quantum wells

被引：38

作者：

Anappara, Aji A.

Tredicucci, Alessandro

Beltram, Fabio

Biasiol, Giorgio

Sorba, Lucia

机构：

[1] CNR, NEST, INFM, I-56126 Pisa, Italy

[2] Scuola Normale Super Pisa, I-56126 Pisa, Italy

[3] CNR, INFM, NEST, I-34012 Trieste, Italy

[4] CNR, INFM, Lab Nazl TASC, I-34012 Trieste, Italy

[5] Univ Modena & Reggio Emilia, I-41100 Modena, Italy

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 17期

关键词：

D O I：

10.1063/1.2367664

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors report the external control of the polariton ground state by manipulating the coupling between the intersubband transition and the photonic mode of a GaAs/AlGaAs microcavity. The vacuum-field Rabi splitting is varied by means of charge transfer between the energetically-aligned ground subbands of asymmetric tunnel-coupled quantum wells. The authors propose the use of this structure concept for implementing ultrafast modulation of intersubband polaritons. (c) 2006 American Institute of Physics.

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页数：3

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