Compact, 4-W, 2.3-μm continuous-wave all-fiber Raman laser based on fluorotellurite glass fiber.

We demonstrate a compact, continuous-wave, all-fiber Raman laser operating at 2.3 μm, based on a home-made fluorotellurite fiber with integrated fiber Bragg gratings. Pumped by a 1980-nm continuous-wave thulium-doped fiber laser, the Raman fiber lase…

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