How to generate a narrow line width laser in OPTSIM?

dear all,

i am doing my masters research on fibre optic communication.
I need to generate a narrow linewidth laser......how to do?

when i set the linewidth small....the actual linewidth is larger..when i measure with the OSA.

need help

Hi this is vasikaran

I am doing my ME in optical communication. and also doing my project in the same field.

I searched in many websites i cannot able to get the optsim and photonics cad software. can you tell where can i able to download it.

If you have this software can you able to give upload for me me plz..

my mail id is "vasikaran.tce@gmail.com"

reply me..

with regards

vasikaran

hi vasikara
i want optsim and photonics cad software also for my master search
if you got it please communicate with me
my email:
pink_lady_3000@yahoo.com

Regards

Hi everybody, I'm still looking for this program, any version. If somebody has any information, please give me short sign --> kapral1111(at)gmail.com I know that this program 'any version' exists somewhere in internet...