Extended tuning of mid-ir quantum cascade lasers using integrated resistive heaters

被引：30

作者：

Bismuto, Alfredo ^{[1
]}

Bidaux, Yves ^{[1
,2
]}

Tardy, Camille ^{[1
]}

Terazzi, Romain ^{[1
]}

Gresch, Tobias ^{[1
]}

Wolf, Johanna ^{[2
]}

Blaser, Stephane ^{[1
]}

Muller, Antoine ^{[1
]}

Faist, Jerome ^{[1
]}

机构：

[1] Alpes Lasers SA, CH-2001 Neuchatel, Switzerland

[2] ETH, Inst Quantum Elect, CH-8093 Zurich, Switzerland

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 23期

关键词：

Mechanical stability - Molecular spectroscopy - System stability;

D O I：

10.1364/OE.23.029715

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present single mode quantum cascade lasers including a microscopic heater for spectral emission tuning. Through the use of a buried heater element, the active region temperature can be modified without changing the submount one. Emission frequency tuning in continuous-wave as large as 9 cm(-1) at 1270 cm(-1) and 14 cm(-1) at 2040 cm(-1) are observed, corresponding to an increase of the active region temperatures of similar to 90 K. Due to the proximity of the heaters to the active region, emission can be modulated at several kHz range and the absence of moving parts guarantees the mechanical stability of the system. This method can be successfully applied to all buried heterostructure lasers, becoming an attractive solution for molecular spectroscopy in the IR. Using the presented devices, molecular absorptions of N2O have been measured between 1270 cm 1 and 1280 cm(-1) and are in agreement with data from the HITRAN database. (C) 2015 Optical Society of America

引用

页码：29715 / 29722

页数：8

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