Figure 3
From: Loss induced coherent combining in InP-Si3N4 hybrid platform

(a) A hybridly integrated SOA gain chip with a silicon nitride waveguide; (b) the insertion loss between the two chips as a function of the gap distance between them.
From: Loss induced coherent combining in InP-Si3N4 hybrid platform

(a) A hybridly integrated SOA gain chip with a silicon nitride waveguide; (b) the insertion loss between the two chips as a function of the gap distance between them.