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// Example 7.10.6 page 7.55
clc;
clear;
h=6.626d-34; //plank's constant
c=3d8; //speed of light
q=1.602d-19; //charge of electron
P0=0.5d-6; //incident optical power(assumption)
lamda=1.5d-6; //wavelength
M=20; //Multiplication factor
R=0.6; //Responsivity
eta=(R*h*c)/(q*lamda); //computing quantum efficiency
Ip=P0*R; //computing photocurrent
I=M*Ip*10^6; //computing output current
printf("\nQuantum efficiency is %.3f micrometer.\nOutput current %d microAmpere.",eta,I);
//answer of quantum efficiency in the book is given as 0.495, deviation of 0.001.
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