Reconfigurable fiber-to-waveguide coupling module enabled by phase-change material incorporated switchable directional couplers
B Bhandari, SS Lee - Scientific Reports, 2022 - nature.com
In silicon photonics, grating-assisted fiber-to-waveguide couplers provide out-of-plane
coupling to facilitate wafer-level testing; however, their limited bandwidth and efficiency …
coupling to facilitate wafer-level testing; however, their limited bandwidth and efficiency …