Compact Broadband Low-Loss Taper for Coupling to a Silicon Nitride Photonic Wire

Purnima Sethi, Rakshitha Kallege, Anubhab Haldar +1

We demonstrate an ultra-compact waveguide taper in Silicon Nitride platform. The proposed taper provides a coupling-efficiency of 95% at a length of 19.5 um in comparison to the st…