Enhanced nonlinear optics with photonic-crystal and microstructure fibers

被引:0
|
作者
Fedotov, AB [1 ]
Zhou, P [1 ]
Tarasevitch, AP [1 ]
Kondrat'ev, YN [1 ]
Dukel'skii, KV [1 ]
Shevandin, VS [1 ]
Smirnov, VB [1 ]
von der Linde, D [1 ]
Zheltikov, AM [1 ]
机构
[1] Moscow MV Lomonosov State Univ, Dept Phys, Ctr Int Laser, Moscow 119899, Russia
关键词
nonlinear optics; fibers; supercontinuum generation; four-wave mixing;
D O I
10.1117/12.543673
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The mode structure of supercontinuum emission generated by 40-fs pulses of 800-nm Ti: sapphire laser radiation in fused silica microstructure fibers is experimentally studied. The long-wavelength and visible parts of supercontinuum emission are shown to be spatially separated in microstructure-fiber modes. With an appropriate spectral filtering, bell-shaped modes of the long-wavelength section (similar to720--900 nm) of the supercontinuum generated in a microstructure fiber with a small core diameter can be separated from either doughnut-like or bipartite modes of the visible part (similar to400--600 nm) of this supercontinuum. This effect can be employed to spectrally slice single modes of supercontinuum emission from microstructure fibers.
引用
收藏
页码:322 / 330
页数:9
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