Abstract : More than 60% overall coupling efficiency is achieved in the demonstrator of an optical interconnect comprising an input grating coupler, a multimode slab waveguide section and an output grating coupler. The grating coupling strength is enhanced by means of a leaky mode resonance. The efficiency of the resonant grating coupler compares favourably with the performancs reported on mirror inserts.
Nathalie Destouches, D. Blanc, J. Franc, S. Tonchev, N. Hendrickx, et al.. Efficient and tolerant resonant grating coupler for multimode optical interconnections. Optics Express, Optical Society of America, 2007, 15 (25), pp.16870. ⟨ujm-00200347⟩
