… , transmission loss, and coupling loss. Here, we propose and demonstrate a fiber-to-slot-waveguide
grating coupler based on a double-strip waveguide which can couple more light …

… SLOT WAVEGUIDE-BASED GRATING COUPLER STRUCTURE The proposed horizontal
slot waveguide grating coupler … The entire grating is surrounded by a silica (SiO ) index …

… To improve the sensitivity, we recently demonstrated Bragg gratings in a slot waveguide [16], …
on slot waveguide Bragg gratings, including both uniform and phase-shifted gratings. The …

… In this work we design and experimentally demonstrate a 2 × 2 MMI coupler with a SWG slot…
index in the slot, which has the same etch depth as the nominal waveguides. The complete …

… structures demonstrate improved performance with decrease in slot size (narrow-slot
waveguides show 2 × improvement over large-slot waveguides for surface sensing and 5 × …

… general layered grating couplers for high coupling efficiency. … a grating coupler for a horizontal
slot waveguide operating at … grating coupler has 1 dB bandwidth of 60 nm and coupling …

… vertical slot waveguides [22]. When filling liquids into the air slot region, the slot waveguide
… Additionally, when the slot region is filled with high nonlinear materials, the tightly confined …

… We approach the design of the grating coupler as if we consider coupling from the grating to
… slab waveguide with the fundamental TE-mode that is coupled into the grating, whose slots …

… silicon nitride grating coupler with a peak coupling efficiency … The silicon nitride strip and
slot waveguides designed in this … on grating-assisted light coupling between a strip waveguide …

… photonics efficient vertical coupling techniques is the grating coupler. We demonstrate
grating couplers for efficient coupling between horizontal slot waveguides and standard single …