Numerical analysis to four-wave mixing induced spectral broadening in high power fiber lasers

Author(s):  
Yujun Feng ◽  
Xiaojun Wang ◽  
Weiwei Ke ◽  
Yinhong Sun ◽  
Kai Zhang ◽  
...  
2018 ◽  
Vol 32 (23) ◽  
pp. 1850275
Author(s):  
Jinkun Zheng ◽  
Wei Zhao ◽  
Baoyin Zhao ◽  
Zhe Li ◽  
Gang Li ◽  
...  

A four-wave mixing effect on high-power continuous-wave fiber lasers has been demonstrated theoretically and experimentally. Detailed theoretical description of phase matching is presented and we found that the phase matching condition is satisfied at the frequency shift of 5.16 THz. While the intensity in fiber core region is more than about 394 MW/cm2, the four-wave mixing products of 1100 nm and 1060 nm were also observed in high-power all-fiber laser. The comparison shows that the experiment result is in good agreement with the simulation result. In addition, the beam quality deterioration for the laser is caused by the four-wave mixing effect and the mode instability. The [Formula: see text] factor measured at maximal intensity of 478 MW/cm2 is 2.80.


2018 ◽  
Vol 26 (12) ◽  
pp. 15804 ◽  
Author(s):  
Lu Yin ◽  
Zhigang Han ◽  
Hua Shen ◽  
Rihong Zhu

2018 ◽  
Vol 26 (9) ◽  
pp. 11265 ◽  
Author(s):  
Jean-Christophe Delagnes ◽  
Romain Royon ◽  
Jérôme Lhermite ◽  
Giorgio Santarelli ◽  
Hector Muñoz ◽  
...  

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pp. 22917 ◽  
Author(s):  
Jindan Shi ◽  
Peter Horak ◽  
Shaif-ul Alam ◽  
Morten Ibsen

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Vol 50 (28) ◽  
pp. 5430 ◽  
Author(s):  
Zhaolu Wang ◽  
Hongjun Liu ◽  
Nan Huang ◽  
Qibing Sun ◽  
Jin Wen

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Vol 11 (3) ◽  
pp. 133-136
Author(s):  
R.G. Harrison ◽  
S.R. Butcher ◽  
R.A. Wood

2009 ◽  
Vol 7 (7) ◽  
pp. 617-620
Author(s):  
贾亮 Liang Jia ◽  
张帆 Fan Zhang ◽  
李明 Ming Li ◽  
刘育梁 Yuliang Liu ◽  
陈章渊 Zhangyuan Chen

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