Dispersion calculation in var FDTD?


#1

for the link
https://kb.lumerical.com/en/pic_passive_group_delay_analysis.html

how to calculate dispersion in script for above ring modulator. Group delay is already calculated in this design, but i want to calculate dispersion with units ps/(nm km) .

plz help


#2

Hi,

I would recommend taking a look at the script from the following example which calculates the dispersion from group delay:
https://kb.lumerical.com/en/index.html?sweeps_analysis_for_dispersion.html

See lines 104-107 of the associated script file and let me know if you have any questions about it!