• ISSN 0258-2724
  • CN 51-1277/U
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Volume 20 Issue 3
Jun.  2007
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LI Haitao, PAN Wei, LI Xi. Transmission Characteristics of Optical Pulses in LOA Based on XGM[J]. Journal of Southwest Jiaotong University, 2007, 20(3): 358-362.
Citation: LI Haitao, PAN Wei, LI Xi. Transmission Characteristics of Optical Pulses in LOA Based on XGM[J]. Journal of Southwest Jiaotong University, 2007, 20(3): 358-362.

Transmission Characteristics of Optical Pulses in LOA Based on XGM

  • Received Date: 20 Oct 2006
  • Publish Date: 25 Jun 2007
  • A theoretical model describing transmission of optical pulses in a linear optical amplifier(LOA) was derived to verify the performances of a linear optical amplifier(LOA).Under the condition of gain saturation,the effects of cross-gain modulation(XGM) on transmission pulses and the transmission characteristics of optical pulses were analyzed,and the influences of pulse widths on the gain,carrier density and carrier lifetime were discussed.The results show that with the same peak gain of the signal pulse,the peak output power decreases with an increase in the pump power or a decrease in the probe power;the rising time of the output pulse increases(decreases) with an increase in probe power when the pump power is under(over) 0.5 mW;the rising time of the peak power is delayed by a longer wavelength,accompanied by a decrease in the peak power;and the effect of a wide pulse is weaker than that of a narrow one.

     

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