Femtosecond-laser microstructuring of ribs on active (Yb,Nb):RTP/RTP planar waveguides

1. Cugat, J.
2. De La Cruz, A.R.
3. Sole, R.
4. Ferrer, A.
5. Carvajal, J.J.
6. Mateos, X.
7. Massons, J.
8. Solis, J.
9. Lifante, G.
10. Diaz, F.
11. Aguilgo, M.