吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (01): 240-244.

• paper • Previous Articles     Next Articles

Gain performance of Er3+/Yb3+ codoped double-clad fiber amplifier

HU Gui-jun, LI Xiao-guang, ZHANG Peng   

  1. College of Communications Engineering,Jilin University, Changchun 130012,China
  • Received:2010-08-23 Online:2012-01-01 Published:2012-01-01

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Abstract:

Based on the rate equation and power propagation equation, change of the gain characteristics of Er3+/Yb3+ codoped double-clad fiber amplifier with the fiber length was analyzed. The influence of signal power and pump power on amplifier gain was also studied. Experiments were conducted to validate the analysis. The results indicate that the fiber length influences the gain of the amplifier. The fiber length corresponding to gain saturation is shorter when the input signal is large. Amplifier gain changes with the difference of the signal and pump power, higher gain can obtained by adjusting the signal power or pump power.

Key words: optoelectronics and laser, fiber amplifier, amplifier gain, fiber length

CLC Number: 

  • TN248


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