Coherent combining in an Yb-doped double-core fiber laser |
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| Authors: | Boullet Johan Sabourdy David Desfarges-Berthelemot Agnès Kermène Vincent Pagnoux Dominique Roy Philippe Dussardier Bernard Blanc Wilfried |
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| Affiliation: | Institut de Recherches en Communications Optiques et Microondes, 123 Avenue Albert Thomas, 87060 Limoges, France. boullet@ircom.unilim.fr |
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| Abstract: | Coherent combining is demonstrated in a clad-pumped Yb-doped double-core fiber laser. A slope efficiency of more than 70% is achieved with 96% of the total output power in the fundamental mode of one of the two cores. This high combining efficiency is obtained when both cores are coupled via a biconical fused taper in a Michelson interferometer configuration. |
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