Table 1. Third-order optical nonlinear coefficients of materials in our 1D PC.

Materials	n0	χ(3) (esu)	n2 (m2 W−1)
SiO2	1.46	1.8 × 10−14	3.3 × 10−20
Ta2O5	2.05	6.1 × 10−13	5.7 × 10−19
GaAs	3.43	1.0 × 10−10	3.3 × 10−17