Highly coherent tunable mid-infrared frequency comb pumped by supercontinuum at 1 μm

被引：4

作者：

Jin, Lei ^{[1
]}

Yamanaka, Masahito ^{[1
]}

Sonnenschein, Volker ^{[1
]}

Tomita, Hideki ^{[1
]}

Iguchi, Tetsuo ^{[1
]}

Sato, Atsushi ^{[2
]}

Oh-hara, Toshinari ^{[2
]}

Nishizawa, Norihiko ^{[1
]}

机构：

[1] Nagoya Univ, Dept Quantum Engn, Nagoya, Aichi 4648603, Japan

[2] Sekisui Med Co Ltd, Tokai, Ibaraki 3191182, Japan

来源：

APPLIED PHYSICS EXPRESS | 2017年 / 10卷 / 01期

基金：

日本科学技术振兴机构;

关键词：

FIBER LASER; MID-IR; MOLECULAR-SPECTROSCOPY; GENERATION; BAND; OSCILLATOR; PULSES; RANGE;

D O I：

10.7567/APEX.10.012503

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report a tunable mid-infrared frequency comb working at 184 MHz, which is based on difference frequency generation in a periodically poled Mg-doped stoichiometric lithium tantalate (PPMgSLT) crystal pumped by high-power supercontinuum pulses. Supercontinuum pulses from two fibers with different dispersion properties were examined. With a photonic crystal fiber (PCF) having normal dispersion properties, a tunable wavelength range of 2.9-4.7 mu m was achieved. With another PCF having zero dispersion at 1040 nm, a maximum power of 1.34mW was observed at 3.9 mu m. The high coherence of the pulses generated with this scheme was verified experimentally, and a fringe visibility of 0.90 was observed. (C) 2017 The Japan Society of Applied Physics

引用

页数：4

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