Figure 1

Schematic structure of 2D-PCs with hexagonal unit cell (A) surface of the structure with the distances between the hexagonal as shown, (B) one unit cell, and (C) the array of the unit cell in x direction.

Schematic structure of 2D-PCs with hexagonal unit cell (A) surface of the structure with the distances between the hexagonal as shown, (B) one unit cell, and (C) the array of the unit cell in x direction.