Box-like filter response of two-dimensional array of microring resonator fabricated in silicon-on-insulator technology

Abstract

We show theoretically and demonstrate experimentally that box-like response can be obtained using 2D arrays of microring resonator. The box-like response is manifested from the complementary photonic bandgap properties of the column and row configurations. The observed sidelobe suppression is ~10 dB, while the usable bandwidth can be as high as 500 to 750 GHz.