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ZHENG Guang-wei, ZHAO Shang-hong, LI Yu-jiang, XU Jie, ZHANG Hu, FAN Guo-li, YANG Qing-hua. Analysis of steady state operation of ultra-wide band Er, Tm co-doped silica fiber amplifier[J]. LASER TECHNOLOGY, 2006, 30(2): 198-201.
Citation: ZHENG Guang-wei, ZHAO Shang-hong, LI Yu-jiang, XU Jie, ZHANG Hu, FAN Guo-li, YANG Qing-hua. Analysis of steady state operation of ultra-wide band Er, Tm co-doped silica fiber amplifier[J]. LASER TECHNOLOGY, 2006, 30(2): 198-201.
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Analysis of steady state operation of ultra-wide band Er, Tm co-doped silica fiber amplifier

  • Institute of Telecommunication Engineering, Air Force Engineering University, Xi'an 710077, China

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  • Received Date: March 12, 2005
  • Revised Date: April 19, 2005
  • Published Date: March 24, 2006
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    • Abstract
  • The operation principal of Er3+,Tm3+ co-doped silica fiber amplifier is presented when pumped at 980nm.Depending on the principal,the mathematical model of energy transfer process between Er3+ and Tm3+ ions is established.Based on the rate and propagation equations,numerical simulation of its steady state operation properties is performed and the simulation of output power spectrum of several channel signals as a function of different factors,(such as different fiber length,different pump power,and different Tm3+ ions concentration) is also given.The simulation results show that the amplifying bandwidth of this fiber is up to 90nm(twice larger than the traditional Er-doped fiber amplifier) and the average gain is up to 10dB when the pump power is just 400mW.Its characteristic of ultra-wide band amplifying is useful for DWDM in the near future.
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    • References (9)
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