Figure 2
From: Polymer-Silica Hybrid On-Chip Amplifier with Vertical Pumping Method

The relationships between the mode index and the waveguide dimensions (PW = polymer waveguide; SW = silica waveguide).
From: Polymer-Silica Hybrid On-Chip Amplifier with Vertical Pumping Method
The relationships between the mode index and the waveguide dimensions (PW = polymer waveguide; SW = silica waveguide).