Photovoltaic probe of cavity polaritons in a quantum cascade structure

被引：32

作者：

Sapienza, Luca ^{[1
]}

Vasanelli, Angela

Ciuti, Cristiano

Manquest, Christophe

Sirtori, Carlo

Colombelli, Raffaele

Gennser, Ulf

机构：

[1] Univ Paris 07, Lab Mat & Phenomenes Quant, F-75205 Paris 13, France

[2] Univ Paris 11, Inst Elect Fondamentale, F-91405 Orsay, France

[3] CNRS, LPN, F-91460 Marcoussis, France

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 20期

关键词：

D O I：

10.1063/1.2739308

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The strong coupling between an intersubband excitation in a quantum cascade structure and a photonic mode of a planar microcavity has been detected by angle-resolved photovoltaic measurements. A typical anticrossing behavior, with a vacuum-field Rabi splitting of 16 meV at 78 K, has been measured, for an intersubband transition at 163 meV. These results show that the strong coupling regime between photons and intersubband excitations can be engineered in a quantum cascade optoelectronic device. They also demonstrate the possibility to perform angle-resolved midinfrared photodetection and to develop active devices based on intersubband cavity polaritons. (C) 2007 American Institute of Physics.

引用

页数：3

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