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pourshab N, gholami A, hekmat M J, shahriyari N, kanani M. Simulation and Properties of Narrow Linewidth Fiber Laser Using a Saturable Absorber. ICOP & ICPET _ INPC _ ICOFS 2015; 21 :913-916
URL: http://opsi.ir/article-1-798-en.html
URL: http://opsi.ir/article-1-798-en.html
Nastaran Pourshab * 
1, Asghar Gholami1 , Mohammad javad Hekmat1 , Narges Shahriyari1 , Mohammad Kanani1
1, Asghar Gholami1 , Mohammad javad Hekmat1 , Narges Shahriyari1 , Mohammad Kanani1
1- Isfahan University of Technology,Isfahan
Abstract: (3825 Views)
A narrow linewidth single-longitudinal-mode fiber ring laser is demonstrated by incorporating an unpumped Erbium -doped fiber section as saturable absorber. The saturable absorber acts as a narrow bandpass filter. The laser showed single mode operation with a narrow linewidth of 44MHz . Output powers up to 76mW at 1550nm are obtained for lanched pump powers of 300mW at 980nm. The mode selection mechanisms of the un-pumped EDF and ring resonator are theoretically analyzed and simulated.
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