Reply To: Ber vs distance curve

[alistuParticipant]

Hi Ankit,

If you are referring to figure 6 of the attached PDF, you can draw such curves using parameter sweep in OptiSystem. To do this, you should put the fiber length on sweep mode. You can study about how to use this capability in the following page:

Lesson 4: Parameter Sweeps — BER x Input Power

Regards