Numerical Simulation of 980 nm-LD-Pumped Yb<sup>3+</sup>-Er<sup>3+</sup>-Tm<sup>3+</sup>-Codoped Fiber Amplifier for 1500 nm and 1600 nm Bands

<table>Effect of pump power on gain spectra. Concentrations of Yb<sup>3+</sup>, Er<sup>3+</sup>,  Yb<sup>3+</sup> ion are 20.0 × 10<sup>24</sup>, 1.0 × 10<sup>24</sup>,  3.0 × 10<sup>24</sup> ions/m<sup>3</sup>,  respectively. Fiber length, input signal power are 1.5 m,  <svg height="4.5999999" id="M113" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.825 4.5999999" width="10.825" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,4.6)">
<g transform="translate(72,-68.32)">
<text transform="matrix(1,0,0,-1,-71.95,68.37)">
<tspan style="font-size: 12.50px; " x="0" y="0">−</tspan>
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</svg>30 dBm, respectively.</table>

Advances in OptoElectronics

fig5

Figure 5

Figure 5: Numerical Simulation of 980 nm-LD-Pumped Yb<sup>3+</sup>-Er<sup>3+</sup>-Tm<sup>3+</sup>-Codoped Fiber Amplifier for 1500 nm and 1600 nm Bands 

Advances in OptoElectronics

Numerical Simulation of 980 nm-LD-Pumped Yb3+-Er3+-Tm3+-Codoped Fiber Amplifier for 1500 nm and 1600 nm Bands

Figure 5

Numerical Simulation of 980 nm-LD-Pumped Yb³⁺-Er³⁺-Tm³⁺-Codoped Fiber Amplifier for 1500 nm and 1600 nm Bands