Highly efficient waveguide lasers in a femtosecond laser inscribed Nd: YVO4 channel waveguide

1. Tan, Y.
2. Guan, J.
3. Chen, F.
4. Vázquez de Aldana, J.R.
5. Torchia, G.A.
6. Benayas, A.
7. Jaque, D.