Experimental study on long-distance transmission of high-power laser over single-mode fiber
Received:November 05, 2019  Revised:August 26, 2020  download
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Author NameAffiliationE-mail
YU Hua-Long School of Technical Physics, Xidian University, Xi’an 710071, China 13253523995@126.com 
XUE Hai-Zhong School of Technical Physics, Xidian University, Xi’an 710071, China  
Abstract:Stimulated Raman Scattering (SRS) effect is a key factor restricting the application of high power laser transmission over single mode fiber in long distance . Using 1550nm unpolarized continuous wave single-mode fiber laser as light source, stimulated Raman scattering phenomenon generated by 103km single-mode fiber transmission under different injected light power conditions is experimentally studied. Cascaded long-period fiber gratings are used to carry out stimulated Raman scattering suppression experiments, and corresponding theoretical analysis is carried out. A criterion for the effectiveness of fiber stimulated Raman scattering suppression is proposed. Experiments demonstrate the stimulated Raman scattering phenomenon and verify the effectiveness of cascaded long-period fiber gratings for the suppression of stimulated Raman scattering.
keywords:high power laser  single mode fiber  cascaded long period fiber grating bandstop filter  stimulated raman scattering (SRS) suppression  power over fiber(PoF)
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Copyright:《Journal of Infrared And Millimeter Waves》