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 60ns at the first and second Stokes wavelengths of 1168 and 1232nm, respectively, are produced at a stable 588kHz repetition rate.

© 2006 Optical Society of America

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References

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2005

2004

G. Ravet, A. A. Fotiadi, M. Blondel, and P. Megret, Electron. Lett. 40, 528 (2004).
[CrossRef]

Y. Zhao, Y. H. Li, and S. D. Jackson, Opt. Express 12, 4053 (2004).
[CrossRef] [PubMed]

2003

U. Keller, Nature 424, 831 (2003).
[CrossRef] [PubMed]

2000

1997

1978

F. L. Galeener, J. C. Mikkelsen, Jr., R. H. Geils, and W. J. Mosby, Appl. Phys. Lett. 32, 34 (1978).
[CrossRef]

Alvarez-Chavez, J. A.

Blondel, M.

G. Ravet, A. A. Fotiadi, M. Blondel, and P. Megret, Electron. Lett. 40, 528 (2004).
[CrossRef]

Chernikov, S. V.

Clarkson, W. A.

Fotiadi, A. A.

G. Ravet, A. A. Fotiadi, M. Blondel, and P. Megret, Electron. Lett. 40, 528 (2004).
[CrossRef]

Galeener, F. L.

F. L. Galeener, J. C. Mikkelsen, Jr., R. H. Geils, and W. J. Mosby, Appl. Phys. Lett. 32, 34 (1978).
[CrossRef]

Gapontsev, V. P.

Geils, R. H.

F. L. Galeener, J. C. Mikkelsen, Jr., R. H. Geils, and W. J. Mosby, Appl. Phys. Lett. 32, 34 (1978).
[CrossRef]

Jackson, S. D.

Keller, U.

U. Keller, Nature 424, 831 (2003).
[CrossRef] [PubMed]

Li, Y. H.

Megret, P.

G. Ravet, A. A. Fotiadi, M. Blondel, and P. Megret, Electron. Lett. 40, 528 (2004).
[CrossRef]

Mikkelsen, J. C.

F. L. Galeener, J. C. Mikkelsen, Jr., R. H. Geils, and W. J. Mosby, Appl. Phys. Lett. 32, 34 (1978).
[CrossRef]

Mosby, W. J.

F. L. Galeener, J. C. Mikkelsen, Jr., R. H. Geils, and W. J. Mosby, Appl. Phys. Lett. 32, 34 (1978).
[CrossRef]

Nilsson, J.

Offerhaus, H. L.

Ravet, G.

G. Ravet, A. A. Fotiadi, M. Blondel, and P. Megret, Electron. Lett. 40, 528 (2004).
[CrossRef]

Richardson, D. J.

Taylor, J. R.

Turner, P. W.

Zhao, Y.

Zhu, Y.

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Figures (4)

Fig. 1
Fig. 1

Experimental setup of a passively Q-switched three-wavelength Raman fiber laser: M, dielectric mirror; FER, fiber end reflector; P s , prisms; OSA, optical spectrum analyzer; D s , optical detectors; C FL , fundamental laser cavity; C RS , Raman Stokes cavity; λ FL , fundamental laser wavelength; λ RS , Raman Stokes wavelengths.

Fig. 2
Fig. 2

Measured optical spectrum for the passively Q-switched three-wavelength Raman fiber laser.

Fig. 3
Fig. 3

Measured average output power of the fundamental and the Stokes emissions versus the 975 nm launched diode power.

Fig. 4
Fig. 4

Pulse characteristics of the passively Q-switched three-wavelength fiber laser.

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