Mid-infrared supercontinuum generation spanning 1.8 octaves using step-index indium fluoride fiber pumped by a femtosecond fiber laser near 2 μm

被引：64

作者：

Salem, Reza ^{[1
]}

Jiang, Zack ^{[1
]}

Liu, Dongfeng ^{[1
]}

Pafchek, Robert ^{[1
]}

Gardner, David ^{[1
]}

Foy, Paul ^{[1
]}

Saad, Mohammed ^{[1
]}

Jenkins, Doug ^{[1
]}

Cable, Alex ^{[1
]}

Fendel, Peter ^{[1
]}

机构：

[1] Thorlabs Inc, Newton, NJ 07860 USA

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 24期

关键词：

STIMULATED RAMAN-SCATTERING; PHOTONIC CRYSTAL FIBER; OPTICAL-FIBERS; ZBLAN FIBER; COHERENCE; CONTINUUM; NM;

D O I：

10.1364/OE.23.030592

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A nearly two-octave wide coherent mid-infrared supercontinuum is demonstrated in a dispersion-engineered step-index indium fluoride fiber pumped near 2 mu m. The pump source is an all-fiber femtosecond laser with 100 fs pulse width, 570 mW average power and 50 MHz repetition rate. The supercontinuum spectrum spans from 1.25 mu m to 4.6 mu m. Numerical modelling of the supercontinuum spectra show good agreement with the measurements. The coherence of the supercontinuum is calculated using a numerical model and shows a high degree of coherence across the generated bandwidth allowing it to be used for frequency comb applications. (C) 2015 Optical Society of America

引用

页码：30592 / 30602

页数：11

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