Merge branch 'develop' into pre/2.10

Author: yaugenst-flex

Autograd25WaveguideCrossing.ipynb

@@ -16,6 +16,7 @@ Passive photonic integrated circuit (PIC) components form the backbone of many o
     ../../EffectiveIndexApproximation
     ../../GratingCoupler
     ../../FocusedApodGC
+    ../../BilayerSiNSiGC
     ../../VerticalGratingCoupler
     ../../MMI1x4
     ../../MMIPowerSplitter2x2

BilayerSiNSiGC.ipynb

@@ -33,4 +33,5 @@ The adjoint method is an extremely powerful tool for photonics optimization, all
     ../../Autograd22PhotonicCrystal
     ../../Autograd23FabricationAwareInvdes
     ../../Autograd24DigitalSplitter
-    ../../Autograd26Smatrix
+    ../../Autograd25WaveguideCrossing
+    ../../Autograd26Smatrix