Supercontinuum generation enhancement in all-solid all-normal dispersion soft glass photonic crystal fiber pumped at 1550 nm

被引：16
|
作者：
Siwicki, Bartlomiej [1 ,2 ]
Klimczak, Mariusz [1 ]
Stepien, Ryszard [1 ]
Buczynski, Ryszard [1 ,2 ]
机构：
[1] Inst Elect Mat Technol, PL-01919 Warsaw, Poland
[2] Univ Warsaw, Fac Phys, PL-02093 Warsaw, Poland
来源：
OPTICAL FIBER TECHNOLOGY | 2015年 / 25卷
关键词：
All-solid photonic crystal fiber; Supercontinuum generation; Supercontinuum numerical modelling;
D O I：
10.1016/j.yofte.2015.08.001
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We study supercontinuum generation enhancement in an all-normal dispersion, all-glass photonic crystal fiber made of lead-silicate glasses. Dispersion characteristics were optimized through adjustment of regular hexagonal lattice of photonic crystal fiber in case of three different, thermally matched pairs of glasses. Supercontinuum generation was simulated with split-step Fourier method using the model that takes into account frequency-dependent effective mode area and losses, Raman response of the medium and temporal shape of the input pulse. An octave-spanning coherent supercontinuum has been obtained for all-glass fiber with lattice constant Lambda = 1.73 mu m and filling factor d/Lambda = 0.8, made of silicate SF6/F2, spanning 850-2200 nm wavelengths in 10 dB dynamic range and pumped with pulses with energy as low as 3 nJ at 1550 nm. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码：64 / 71
页数：8
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