hi aasif bashir dar…
thank you for replying my query.yes i know about extinction ratio which the power strengths in between marks and spaces.since the marks amd spaces are not distinguishable so we can not define the extinction ratio for the current eye diagram.
well i am using a CW Laser with frequency f=193.099THz, Ith = 33.45mA, Tsp = 1ns, Tph = 3ps.
with regards