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Ansys Learning Forum › Forums › Discuss Simulation › Photonics › Way to produce a time pulse (Source) of nanosecond or femto second duration › Reply To: Way to produce a time pulse (Source) of nanosecond or femto second duration

September 23, 2024 at 5:59 pm
Guilin Sun
Ansys Employee

You can either use the default source pulse or create your own: https://optics.ansys.com/hc/en-us/articles/360034383114-Creating-a-custom-source-time-signal-for-an-FDTD-source 

example:

https://optics.ansys.com/hc/en-us/articles/360042800113-Group-delay-analysis

 

But for the waveguide delay, you can accurately use FDE to get: 

https://optics.ansys.com/hc/en-us/articles/360042800453-Waveguide-FDE

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