0.42 TW 2-cycle pulses at 1.8 μm via hollow-core fiber compression

被引：88

作者：

Cardin, Vincent ^{[1
]}

Thire, Nicolas ^{[1
]}

Beaulieu, Samuel ^{[1
]}

Wanie, Vincent ^{[1
]}

Legare, Francois ^{[1
]}

Schmidt, Bruno E. ^{[1
,2
]}

机构：

[1] Ctr Energie Mat & Telecommun, Inst Natl Rech Sci, Varennes, PQ J3X 1S2, Canada

[2] Few Cycle Inc, Montreal, PQ H1L 5W5, Canada

来源：

APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 18期

基金：

加拿大创新基金会; 加拿大自然科学与工程研究理事会;

关键词：

CYCLE LASER-PULSES; OPTICAL PULSES; LIGHT-PULSES; WAVE-GUIDES; KHZ; 5; FS; GENERATION; AMPLIFICATION; AMPLIFIER; POWER;

D O I：

10.1063/1.4934861

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

By employing pulse compression with a stretched hollow-core fiber, we generated 2-cycle pulses at 1.8 mu m (12 fs) carrying 5 mJ of pulse energy at 100 Hz repetition rate. This energy scaling in the mid-infrared spectral range was achieved by lowering the intensity in a loose focusing condition, thus suppressing the ionization induced losses. The correspondingly large focus was coupled into a hollow-core fiber of 1 mm inner diameter, operated with a pressure gradient to further reduce detrimental nonlinear effects. The required amount of self-phase modulation for spectral broadening was obtained over 3 m of propagation distance. (C) 2015 AIP Publishing LLC.

引用

页数：4

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