Cooperative upconversion as the gain-limiting factor in Er doped miniature Al[sub 2]O[sub 3] optical waveguide amplifiers
Kik, P. G., Polman, A.Volume:
93
Year:
2003
Language:
english
Journal:
Journal of Applied Physics
DOI:
10.1063/1.1565697
File:
PDF, 406 KB
english, 2003