How can i find gain of optical communication system in Matlab coding ?

I need to find the simplest way of finding gain of optical communication system, if anyone willing to help me out i will share my code with him/her so that you can help me out properly....

thank u

[Walter Roberson]

cross-reference: http://www.mathworks.co.uk/matlabcentral/answers/41296-lmplementing-edfa-in-matlab-coding

Answer 1

[Luke Rumbaugh]

Syed, happy to look at your code if you're still working on this.

Also you could use this for small signal gain, it might get you started. http://www.mathworks.com/matlabcentral/fileexchange/41791-edfa-single-pass-gain-calculator