Coherent mid-infrared supercontinuum generation in tapered suspended-core As39Se61 fibers pumped by a few-optical-cycle Cr:ZnSe laser

被引：27
|
作者：
Leonov, Stanislav O. [1 ]
Wang, Yuchen [2 ]
Shiryaev, Vladimir S. [3 ]
Snopatin, Gennady E. [3 ]
Stepanov, Boris S. [3 ]
Plotnichenko, Victor G. [4 ]
Vicentini, Edoardo [2 ,5 ]
Gambetta, Alessio [2 ,5 ]
Coluccelli, Nicola [2 ,5 ]
Svelto, Cesare [6 ]
Laporta, Paolo [2 ,5 ]
Galzerano, Gianluca [2 ,5 ]
机构：
[1] Bauman Moscow State Tech Univ, 2nd Baumanskay St 5-1, Moscow 105005, Russia
[2] CNR, Ist Foton & Nanotecnol, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy
[3] Russian Acad Sci, GG Devyatykh Inst Chem High Pur Subst, 49 Tropinin Str, Nizhnii Novgorod 603951, Russia
[4] Russian Acad Sci, Fiber Opt Res Ctr, 38 Vavilov Str, Moscow 119333, Russia
[5] Politecn Milan, Dipartimento Fis, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy
[6] Politecn Milan, Dipartimento Elettron Informaz Bioingn, Milan, Italy
来源：
OPTICS LETTERS | 2020年 / 45卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
MU-M; FREQUENCY-COMB; CHALCOGENIDE GLASSES; PHOTONIC CRYSTAL; BANDWIDTH; POWER;
D O I：
10.1364/OL.386429
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on efficient supercontinuum generation in tapered suspended-core As39Se61 fibers pumped by a femtosecond mode-locked Cr:ZnSe laser. The supercontinuum spectrum spans the mid-infrared spectral region from 1.4 to 4.2 mu m, and its spectral coherence is proved by heterodyning with a single-frequency narrow-linewidth Er-fiber laser at 1.55 mu m, measuring a beat note with 27-dB signal-to-noise ratio in a resolution bandwidth of 100 kHz. The intensity stability of the supercontinuum radiation is also characterized by relative intensity noise measurements. (C) 2020 Optical Society of America
引用
收藏
页码：1346 / 1349
页数：4
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