Micro-ring resonator based electro-absorption modulators on the hybrid III-V on silicon platform

The requirements of an optical interconnect that is to be used for high bandwidth computing are low power consumption, small footprint and high spectral efficiency. A microring resonator has several key features that make it an ideal candidate for use in optical interconnects viz. small size, resonance-enhanced efficiency and no intrinsic reflections. Quantum confined stark effect (QCSE) electro-absorption III-V modulators are efficient even at low powers because they provide effective impedance transformation from electrical voltage to optical power. In this paper we present a compact hybrid silicon microring modulator that unifies QCSE and ring resonance effect.