Dual-comb spectroscopy in THz region using a single free-running dual-wavelength mode-locked fiber laser

被引：1

作者：

Nitta, Kazuki ^{[1
,2
]}

Jie, Chen ^{[1
,3
]}

Mizuguchi, Tatsuya ^{[1
,2
]}

Hu, Guoqing ^{[1
,3
]}

Zheng, Zheng ^{[3
]}

Yasui, Takeshi ^{[1
,2
]}

机构：

[1] Tokushima Univ, 2-1 Minami Josanjima, Tokushima, Tokushima 7708506, Japan

[2] JST, ERATO MINOSHIMA Intelligent Opt Synthesizer IOS, 2-1 Minami Josanjima, Tokushima, Tokushima 7708506, Japan

[3] Beihang Univ, Beijing 100191, Peoples R China

来源：

INFRARED, MILLIMETER-WAVE, AND TERAHERTZ TECHNOLOGIES V | 2018年 / 10826卷

关键词：

spectroscopy; Terahertz; optical comb; dual-comb spectroscopy; fiber laser;

D O I：

10.1117/12.2500571

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Terahertz dual-comb spectroscopy (THz-DCS) has the potential to be used as universal THz spectroscopy with high spectral resolution, high spectral accuracy, and broad spectral coverage; however, the requirement for dual stabilized femtosecond lasers hampers its versatility due to the bulky size, high complexity, and high cost. We here report the first demonstration of dual THz comb spectroscopy using a single free-running fiber laser. While greatly reducing the size, complexity, and cost of the laser source, THz-DCS maintains the spectroscopic performance comparable to a system equipped with dual stabilized fiber lasers, and can be effectively applied to gas spectroscopy.

引用

页数：6

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