INTEGRATION PLATFORM INCORPORATING OPTICAL WAVEGUIDE STRUCTURES

摘要

An integration platform for photonic integrated circuits comprising a first down core and a second upper core surrounded with cladding material, wherein the two cores are optically coupled, the platform comprising, in the direction of the light's propagation, a first rib waveguide etched in the down core, at least a vertical resonator, a second rib waveguide etched in the lower core and a third rib waveguide etched in the upper core and placed over the second waveguide having a constant and smaller width than the second waveguide. With this simple, flexible and cost-effective integration scheme, transference of optical power between active and passive components can be made without the need of any tapered structure such that the footprint size of the PIC can be remarkably reduced.