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//Fiber Optics Communication Technology, by Djafer K. Mynbaev and Lovell L.scheiner
//Windows 8
//Scilab version- 6.0.0
//Example 12.3.1
clc;
clear ;
//given
R=0.32;//Reflectance (power reflection coeeficient)
//case 1 Gs value assumed as 2
Gs=2;//assumed single-pass amplification factor
x=Gs*((1-R)^2);
y=(1-R*Gs)^2;
Gfpa=x/y;
mprintf("Gain of Fabry-Perot semiconductor optical amplifier = %.2f or %.1f dB for Gs=2",Gfpa,10*log10(Gfpa));
//case 2 Gs value assumed as 3
Gs2=3;//assumed single-pass amplification factor
x2=Gs2*((1-R)^2);
y2=(1-R*Gs2)^2;
Gfpa2=x2/y2;//Gain of Fabry-Perot semiconductor optical amplifier
mprintf("\nGain of Fabry-Perot semiconductor optical amplifier = %.2f or %.1f dB for Gs=3",Gfpa2,10*log10(Gfpa2));
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