Lukas Chrostowski from University of British Columbia developed an open source integration between INTERCONNECT and KLayout.
The KLayout integration is layout driven only. It provides the ability to test and verify the layout design before fabrication. An EBeam compact model library that contains several frequently used components, i.e., grating couplers, terminators, ring modulators, is provided that users can directly use for their layout design and circuit verification.
The following diagram shows the work-flow of the integration.
For more information on the integration, please visit the ALF post How to set up KLayout-INTERCONNECT integration.
Note: Lumerical technical support does not cover the KLayout integration.