Yang Yongxiang
Subscriber

I also encountered this problem:

ImportError: cannot import name 'mrr_biphoton_wavefunction' from 'qinterconnect.solver' (C:\Program Files\Lumerical\v231\api\python\qinterconnect\solver.cp39-win_amd64.pyd)

But the version I am using is 2023 R1. And the case 'Spontaneous Parametric Down Conversion (SPDC) Photon Source' can operate normally.