Abstract

Operation of a short all-fiber passively Q-switched Raman laser pumped by a continuous-wave laser diode is experimentally demonstrated. The passively switched fiber laser consists simply of a double-clad ytterbium-doped silica fiber that is spliced directly to a moderately germanium-doped silica fiber. The placement of the Ge-doped silica fiber within the fundamental (Raman pump) cavity allows interplay between fundamental and Stokes fields to take place, which leads to saturation of the Raman gain as a result of pump depletion. Pulse widths of 70 and $60\mathrm{ns}$ at the first and second Stokes wavelengths of 1168 and $1232\mathrm{nm}$, respectively, are produced at a stable $588\mathrm{kHz}$ repetition rate.

© 2006 Optical Society of America

Comment on "Passively Q-switched fiber laser that uses saturable Raman gain"

Rüdiger Paschotta
Opt. Lett. 31(18) 2737-2738 (2006)

Reply to Comment on "Passively Q-switched fiber laser that uses saturable Raman gain"

Yucheng Zhao and Stuart D. Jackson
Opt. Lett. 31(18) 2739-2740 (2006)

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