Er:KY 3 F 10 laser at 2.80 µm - Equipe NIMPH du CIMAP - Nanomatériaux, Ions et Métamatériaux pour la PHotonique Accéder directement au contenu
Article Dans Une Revue Optics Letters Année : 2021

Er:KY 3 F 10 laser at 2.80 µm

Résumé

We report on the mid-infrared laser operation of a cubic 15 at.% E r 3 + : K Y 3 F 10 crystal. In the quasi-continuous-wave regime, the peak power reaches 255 mW at 2.80 µm (the 4 I 11 / 2 → 4 I 13 / 2 transition) with a slope efficiency of 10.9% and a laser threshold of 58 mW. Two pumping schemes (to the 4 I 11 / 2 and 4 I 9 / 2 states) are compared. The emission properties of the E r 3 + ions in K Y 3 F 10 are studied, indicating high stimulated-emission cross-section of 0.57 × 10 − 20 c m 2 at 2.80 µm, a large gain bandwidth of 40 nm, and a long 4 I 11 / 2 state lifetime of 4.64 ms.
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Dates et versions

hal-03960439 , version 1 (27-01-2023)

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Liza Basyrova, Pavel Loiko, Jean-Louis Doualan, Abdelmjid Benayad, Alain Braud, et al.. Er:KY 3 F 10 laser at 2.80 µm. Optics Letters, 2021, 46 (22), pp.5739. ⟨10.1364/OL.439457⟩. ⟨hal-03960439⟩
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