We report a high-power 1.7 pm fiber laser based on D2-filled hollow-core photonic crystal fibers (HC-PCFs) by rotational stimulated Raman scattering (SRS). Pumped with an Erbium-doped fiber amplified diode, a maximum average power of ~2.91 W is achieved with 20- meter-long HC-PCF, giving a maximum Raman power conversion efficiency of ~57.8%.

© 2020 The Author(s)

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