Intracavity near-field optical imaging of a mid-infrared quantum cascade laser mode

被引：3

作者：

Lemoine, Paul-Arthur ^{[2
]}

Moreau, Virginie ^{[1
]}

Bahriz, Michael ^{[1
]}

De Wilde, Yannick ^{[2
]}

Colombelli, Raffaele ^{[1
]}

Wilson, Luke R. ^{[3
]}

Krysa, Andrey B. ^{[4
]}

机构：

[1] Univ Paris Sud, CNRS, Inst Elect Fondamentale, F-91405 Orsay, France

[2] ESPCI, Lab Opt Phys, CNRS, UPR A0005, F-75005 Paris, France

[3] Univ Sheffield, Dept Phys & Astron, Sheffield, S Yorkshire, England

[4] Univ Sheffield, EPSRC Natl Ctr Technol 3 5, Dept Elect & Elect Engn, Sheffield, S Yorkshire, England

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2008年 / 149卷 / 03期

关键词：

SNOM; near-field microscopy; semiconductor lasers; quantum cascade lasers; evanescent fields;

D O I：

10.1016/j.mseb.2007.09.089

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the direct imaging of Fabry-Perot standing waves inside the cavity of a mid-infrared quantum cascade laser via apertureless scanning near-field optical microscopy. The quantum cascade devices employed present an evanescent wave at the top surface, whose magnitude is directly proportional to the cavity mode intensity in the device core region. Apertureless scanning near-field optical microscopy measurements provide experimental results about the nature of this evanescent field in good agreement with calculations (effective index and electric field decay length). (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：270 / 274

页数：5

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