Figure 3
From: High efficiency DBR assisted grating chirp generators for silicon nitride fiber-chip coupling
Coupling dependence on critical design parameters. (a) Shows dependence of etch depth variation δte on peak coupling and wavelength for design A and (b) shows dependence of upper cladding thickness tcl on peak coupling for design B. (c) Shows the BOX thickness tBOX impact on peak coupling performance for design A and (d) shows the same for design B.
