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High-power CW linearly polarized all-fiber Raman laser

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3 Author(s)
Skubchenko, S.A. ; NTO IRE-Polus Co., Moscow, Russia ; Vyatkin, M.Y. ; Gapontsev, D.V.

We demonstrate a high-power continuous-wave linearly polarized all-fiber Raman laser. The maximum Stokes output power of 4.7 W at 1120-nm wavelength with conversion slope efficiency of 87% was achieved. It is shown that Raman laser threshold greatly depends on pump polarization degree while Raman laser polarization depends on the design of Raman converter rather than on polarization of the pump laser. Slope efficiency was found to be independent on pump polarization degree.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 4 )