Figure 1
From: Highly efficient dual-level grating couplers for silicon nitride photonics
2D schematic view of the proposed dual-level Si–Si\(_3\)N\(_4\) GC.
Figure 1 | Scientific Reports
From: Highly efficient dual-level grating couplers for silicon nitride photonics
2D schematic view of the proposed dual-level Si–Si\(_3\)N\(_4\) GC.
