Watt-level dysprosium fiber laser at 3.15 μm with 73% slope efficiency

R. I. Woodward, M. R. Majewski, G. Bharathan +3

Rare-earth-doped fiber lasers are emerging as promising high-power mid-infrared sources for the 2.6-3.0 μm and 3.3-3.8 μm regions based on erbium and holmium ions. The intermediate…