Narrow-linewidth quantum cascade laser at 8.6 μm

被引：30

作者：

Fasci, Eugenio ^{[1
]}

Coluccelli, Nicola ^{[2
,3
]}

Cassinerio, Marco ^{[2
,3
]}

Gambetta, Alessio ^{[2
,3
]}

Hilico, Laurent ^{[4
,5
]}

Gianfrani, Livio ^{[1
]}

Laporta, Paolo ^{[2
,3
]}

Castrillo, Antonio ^{[1
]}

Galzerano, Gianluca ^{[2
,3
]}

机构：

[1] Univ Naples 2, Dipartimento Matemat & Fis, I-81100 Caserta, Italy

[2] CNR, Ist Foton & Nanotecnol, I-20133 Milan, Italy

[3] Politecn Milan, Dipartimento Fis, I-20133 Milan, Italy

[4] UEVE, Lab Kastler Brossel, F-91025 Evry, France

[5] Univ Paris 06, CNRS, ENS, F-75252 Paris, France

来源：

OPTICS LETTERS | 2014年 / 39卷 / 16期

关键词：

ENHANCED ABSORPTION-SPECTROSCOPY; FREQUENCY NOISE; ROOM-TEMPERATURE; OPTICAL-FEEDBACK; DIODE-LASER; STABILIZATION;

D O I：

10.1364/OL.39.004946

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on a narrow-linewidth distributed-feedback quantum cascade laser at 8.6 mu m that is optical-feedback locked to a high-finesse V-shaped cavity. The spectral purity of the quantum cascade laser is fully characterized using a high-sensitivity optical frequency discriminator, leading to a 1 ms linewidth of less than 4 kHz and a minimum laser frequency noise spectral density as low as 0.01 Hz(2)/Hz for Fourier frequencies larger than 100 kHz. The cumulative standard deviation of the laser intensity is better than 0.1% over an integration bandwidth from 2 Hz to 100 MHz. (C) 2014 Optical Society of America

引用

页码：4946 / 4949

页数：4

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