|Title||Towards power scaling of 2.8 μm fiber lasers.|
|Publication Type||Journal Article|
|Year of Publication||2018|
|Authors||Aydin, Yigit Ozan, Vincent Fortin, Réal Vallée, and Martin Bernier|
|Date Published||2018 Sep 15|
We report the demonstration of a 2824 nm passively cooled erbium-doped fluoride fiber laser delivering a record average output power of 41.6 W in continuous-wave operation. The splice-less cavity is based on intra-core fiber Bragg gratings written directly in the active erbium-doped fluoride fiber, which is bidirectionally pumped at 980 nm to reduce heat load. To the best of our knowledge, this result is the highest average output power achieved with a mid-infrared fiber laser. The long-term performance of different protective endcaps is also investigated at high-power operation.
|Alternate Journal||Opt Lett|