Free-running frequency stability of mid-infrared quantum cascade lasers

被引：56

作者：

Myers, TL

Williams, RM

Taubman, MS

Gmachl, C

Capasso, F

Sivco, DL

Baillargeon, JN

Cho, AY

机构：

[1] Pacific NW Natl Lab, Richland, WA 99352 USA

[2] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA

来源：

OPTICS LETTERS | 2002年 / 27卷 / 03期

关键词：

D O I：

10.1364/OL.27.000170

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The intrinsic frequency fluctuations of two single-mode quantum cascade (QC) distributed-feedback lasers operating continuously at a wavelength of 8.5 mum are reported. A Doppler-limited rovibrational resonance of nitrous oxide is used to transform the frequency noise into measurable intensity fluctuations. The QC lasers, along with recently improved current controllers, exhibit a free-running frequency stability of 150 kHz over a 15-ms time interval. (C) 2002 Optical Society of America.

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页码：170 / 172

页数：3

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