Figure 1

The band diagram of the Si-based semi-2D-PhC waveguide.
Inset is the illustration of the waveguide, with period a = 420 nm. Si membrane thickness is fixed at 220 nm.
The band diagram of the Si-based semi-2D-PhC waveguide.
Inset is the illustration of the waveguide, with period a = 420 nm. Si membrane thickness is fixed at 220 nm.