A Study on the Statistical Behaviour of Receiving Currents in the Presence of Four Wave Mixing Effect in DWDM Optical Systems

2006 ◽  
Vol 5 (4) ◽  
pp. 735-741
Author(s):  
A.V. Ram Prasad ◽  
M. Meenakshi
Keyword(s):  
Four Wave Mixing ◽  
Optical Systems ◽  
Wave Mixing ◽  
Mixing Effect

Four-wave mixing effect on high-power continuous-wave all-fiber lasers

2018 ◽  
Vol 32 (23) ◽  
pp. 1850275
Author(s):  
Jinkun Zheng ◽  
Wei Zhao ◽  
Baoyin Zhao ◽  
Zhe Li ◽  
Gang Li ◽  
...  
Keyword(s):  
High Power ◽  
Fiber Lasers ◽  
Continuous Wave ◽  
Beam Quality ◽  
Matching Condition ◽  
Four Wave Mixing ◽  
Theoretical Description ◽  
Phase Matching ◽  
Wave Mixing ◽  
Mixing Effect

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.

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