Spatio-temporal intensity dynamics of passively mode-locked fiber laser

被引:0
|
作者
Churkin, Dmitry V. [1 ,2 ,3 ]
Sugavanam, Srikanth [1 ]
机构
[1] Aston Univ, Aston Inst Photon Technol, Birmingham B4 7ET, W Midlands, England
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
[3] Russian Acad Sci, Siberian Branch, Inst Computat Technol, Novosibirsk 630090, Russia
关键词
fibre lasers; spatio-temporal dynamics; real-time measurements; coherent structures; rogue waves; ROGUE WAVES; SOLITON EXPLOSIONS; PULSE GENERATION; REGIMES; LAMINAR;
D O I
10.1117/12.2211762
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present recent results on measurements of intensity spatio-temporal dynamics in passively mode-locked fibre laser. We experimentally uncover distinct, dynamic and stable spatio-temporal generation regimes of various stochasticity and periodicity properties in though-to-be unstable laser. We present a method to distinguish various types of generated coherent structures, including rogue and shock waves, within the radiation by means of introducing of intensity ACF evolution map. We also discuss how the spectral dynamics could be measured in fiber lasers generating irregular train of pulses of quasi-CW generation via combination of heterodyning and intensity spatio-temporal measurement concept.
引用
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页数:9
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