Research Article

Floquet's Unit Cell Design for Periodic Structures at Optical Frequencies

Figure 4

Brillouin diagram for 3D GaAs periodic structures with air holes and different periodicity along the - and -axis. (a) 3D periodic structure; (b) Brillouin diagram: the dashed line represents the set of operating points at working wavelength ā€‰ m; plot A refers to the waveguide with core thickness ; plot B refers to the waveguide with core thickness .
160321.fig.004a
(a)
160321.fig.004b
(b)