Optical Amplification at 1525 nm in BaYF<sub>5</sub>: 20% Yb<sup>3+</sup>, 2% Er<sup>3+</sup> Nanocrystals Doped SU-8 Polymer Waveguide

<table>The schematics of the experimental setup for the optical gain measurement.</table>

Journal of Nanomaterials

Figure 7: Optical Amplification at 1525 nm in BaYF<sub>5</sub>: 20% Yb<sup>3+</sup>, 2% Er<sup>3+</sup> Nanocrystals Doped SU-8 Polymer Waveguide 