Abstract

We report cw and femtosecond laser operations under diode pumping of a diffusion-bonding heterocomposite Yb-doped crystal: Yb3+:SrY4(SiO4)3OY2Al5O12(YAGSYS:Yb). To show the advantages of this heterocomposite crystal over classical Yb:SYS crystal, we first investigate the high-power cw regime. A cw power of 4.3 W is demonstrated. The femtosecond regime is also investigated, and 1-W-average-power, 130-fs pulses at 1070 nm are produced, which represents, to our knowledge, the first demonstration of an Yb-doped heterocomposite mode-locked laser.

© 2005 Optical Society of America

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References

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2004 (2)

2003 (2)

2002 (5)

1997 (1)

M. E. Fermann, A. Galvanauskas, G. Sucha, and D. Harter, Appl. Phys. B 65, 259 (1997).
[Crossref]

Aka, G.

Aka, G. P.

Aschwanden, A.

Balembois, F.

Brunner, F.

Camy, P.

Chénais, S.

Contag, K.

Debourg, G.

Doualan, J. L.

Druon, F.

Erbert, G.

Fermann, M. E.

M. E. Fermann, A. Galvanauskas, G. Sucha, and D. Harter, Appl. Phys. B 65, 259 (1997).
[Crossref]

Galvanauskas, A.

M. E. Fermann, A. Galvanauskas, G. Sucha, and D. Harter, Appl. Phys. B 65, 259 (1997).
[Crossref]

Gao, J.

Gaumé, R.

Georges, P.

Giesen, A.

Griebner, U.

Häring, R.

Harter, D.

M. E. Fermann, A. Galvanauskas, G. Sucha, and D. Harter, Appl. Phys. B 65, 259 (1997).
[Crossref]

Haumesser, P.-H.

Honninger, C.

Innerhofer, E.

Jacquemet, M.

Keller, U.

Kisel, V. E.

Klopp, P.

Kopf, D.

Kuleshov, N. V.

Kumkar, M.

Lucca, A.

Mohr, S.

Moncorgé, R.

Morier-Genoud, F.

Paschotta, R.

Petrov, V.

Raybaut, P.

Shcherbitsky, V. G.

Sucha, G.

M. E. Fermann, A. Galvanauskas, G. Sucha, and D. Harter, Appl. Phys. B 65, 259 (1997).
[Crossref]

Südmeyer, T.

Viana, B.

Vivien, D.

Ann. Chim. Mat. (1)

F. Druon, F. Balembois, and P. Georges, Ann. Chim. Mat. 28, 47 (2003).
[Crossref]

Appl. Phys. B (1)

M. E. Fermann, A. Galvanauskas, G. Sucha, and D. Harter, Appl. Phys. B 65, 259 (1997).
[Crossref]

J. Opt. Soc. Am. B (2)

Opt. Express (2)

Opt. Lett. (4)

Other (1)

“Laser cavity analysis and design,” LAS-CAD GmbH, Munich, Germany, http://www.las-cad.com.

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Figures (4)

Fig. 1
Fig. 1

a, cw laser performance of YAG SYS : Yb and Yb : SYS crystals versus absorbed and incident pump power. The photograph shows the fracture in the Yb : SYS crystal. b, Experimental setup for cw operation. c, cw tunability for the heterocomposite crystal at maximum pump power.

Fig. 2
Fig. 2

Left, temperature profiles (obtained with LASCAD software) under 13.2 W of incident pump power (without saturation of absorption) for a, a ( 1.3 + 1.5 ) - mm -long YAG SYS : Yb , b, a ( 1.3 + 1.5 ) - mm -long SYS SYS : Yb , c, a 1.5-mm-long Yb : SYS , and d, a 2.8-mm-long Yb : SYS . The crystals are pumped by their back side in the figure and the maximum of the scale indicates the maximum of the temperature in the crystal. Right, Corresponding longitudinal temperature profiles in the center of the crystals.

Fig. 3
Fig. 3

(a), Experimental setup for the generation of femtosecond pulses. (b), Spectra of 122-, 130-, and 200-fs pulses. RoC, radius of curvature.

Fig. 4
Fig. 4

Spectrum and autocorrelation traces of 100-fs pulses.

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