1 Subjects: “...active waveguide devices...”

2 Subjects: “...active waveguides...”

3 Subjects: “...active waveguides...”

4 Table of Contents: “... of RMnO compounds -- Sesquioxides as host materials for rare-earth-doped bulk lasers and active waveguides...”

5 “... and layer-by-layer construction of CdSe/CdZnS core/shell nanoplatelets to create optically active waveguides...”