Dual-comb spectroscopy of water vapor with a free-running semiconductor disk laser

被引：196

作者：

Link, S. M. ^{[1
]}

Maas, D. J. H. C. ^{[2
]}

Waldburger, D. ^{[1
]}

Keller, U. ^{[1
]}

机构：

[1] ETH, Inst Quantum Elect, Dept Phys, CH-8093 Zurich, Switzerland

[2] ABB Switzerland Ltd, Corp Res, Segelhofstr 1K, CH-5405 Baden, Switzerland

来源：

SCIENCE | 2017年 / 356卷 / 6343期

关键词：

FREQUENCY COMB; PHASE-CONTROL; NOISE;

D O I：

10.1126/science.aam7424

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Dual-comb spectroscopy offers the potential for high accuracy combined with fast data acquisition. Applications are often limited, however, by the complexity of optical comb systems. Here we present dual-comb spectroscopy of water vapor using a substantially simplified single-laser system. Very good spectroscopy measurements with fast sampling rates are achieved with a free-running dual-comb mode-locked semiconductor disk laser. The absolute stability of the optical comb modes is characterized both for free-running operation and with simple microwave stabilization. This approach drastically reduces the complexity for dual-comb spectroscopy. Band-gap engineering to tune the center wavelength from the ultraviolet to the mid-infrared could optimize frequency combs for specific gas targets, further enabling dual-comb spectroscopy for a wider range of industrial applications.

引用

页码：1164 / 1168

页数：5

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