Substrate emitting index coupled quantum cascade lasers using biperiodic top metal grating

被引：25

作者：

Maisons, G. ^{[1
]}

Carras, M. ^{[1
]}

Garcia, M. ^{[1
]}

Parillaud, O. ^{[1
]}

Simozrag, B. ^{[1
]}

Marcadet, X. ^{[1
]}

De Rossi, A. ^{[2
]}

机构：

[1] Alcatel Thales Lab 3 5, F-91767 Palaiseau, France

[2] Thales Res & Technol, F-91767 Palaiseau, France

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 15期

关键词：

quantum cascade lasers; surface emitting lasers; SURFACE-PLASMONS; GAPS;

D O I：

10.1063/1.3113524

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the design and experimental demonstration of a specific metal grating profile that enables a substrate emission of a quantum cascade laser. A low loss, index coupled, and horizontal cavity surface emitting laser (HCSEL) design is proposed, which is very robust against technological spreads. The detailed analysis of the metallic top grating is performed, enabling the laser still to operate as a distributed feedback laser while emitting from the substrate. Following this concept, HCSEL with InP cladding layers and InGaAs/AlInAs active regions have been fabricated. Room temperature HCSEL emitting at 5.65 mu m with a low beam divergence is demonstrated.

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页数：3

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