Abstract

We demonstrate a self-starting passively mode-locked diode-pumped Cr:LiSAF laser, achieving pulses as short as 98 fs with an average power as high as 50 mW. In continuous-wave operation, we demonstrate 140 mW of output power with a tunability of 100 nm FWHM. These results were achieved by use of lower Cr3+ doping (1.5%), high-brightness diode lasers pumping from both sides of the crystal, and a low-loss antiresonant Fabry–Perot saturable absorber to start and sustain mode-locked operation.

© 1994 Optical Society of America

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  1. P. M. W. French, R. Mellish, J. R. Taylor, Opt. Lett. 18, 1934 (1993).
    [CrossRef] [PubMed]
  2. F. Balembois, P. Georges, A. Brun, Opt. Lett. 18, 1730 (1993).
    [CrossRef] [PubMed]
  3. P. M. Mellish, P. M. W. French, J. R. Taylor, P. J. Delfyett, L. T. Florez, Electron. Lett. 30, 223 (1994).
    [CrossRef]
  4. A. Miller, P. LiKamWa, B. H. T. Chai, E. W. Van Stryland, Opt. Lett. 17, 195 (1992).
    [CrossRef] [PubMed]
  5. J. M. Evans, D. E. Spence, W. Sibbett, B. H. T. Chai, A. Miller, Opt. Lett. 17, 1447 (1992).
    [CrossRef] [PubMed]
  6. N. H. Rizvi, P. M. W. French, J. R. Taylor, Opt. Lett. 17, 1605 (1992).
    [CrossRef] [PubMed]
  7. T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
    [CrossRef]
  8. M. Stalder, M. Bass, B. H. T. Chai, J. Opt. Soc. Am. B 9, 2271 (1992).
    [CrossRef]
  9. U. Keller, D. A. B. Miller, G. D. Boyd, T. H. Chiu, J. F. Ferguson, M. T. Asom, Opt. Lett. 17, 505 (1992).
    [CrossRef] [PubMed]
  10. U. Keller, T. H. Chiu, J. F. Ferguson, Opt. Lett. 18, 217 (1993).
    [CrossRef] [PubMed]
  11. U. Keller, Appl. Phys. B 58, 347 (1994).
    [CrossRef]
  12. L. R. Brovelli, U. Keller, T. H. Chiu, “Design and operation of antiresonant Fabry–Perot saturable semiconductor absorbers for mode-locked solid-state lasers,”J. Opt. Soc. Am. B (to be published).
  13. D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washinton, D.C., 1994), paper CPD22.
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1994 (2)

U. Keller, Appl. Phys. B 58, 347 (1994).
[CrossRef]

P. M. Mellish, P. M. W. French, J. R. Taylor, P. J. Delfyett, L. T. Florez, Electron. Lett. 30, 223 (1994).
[CrossRef]

1993 (3)

1992 (6)

1990 (1)

T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[CrossRef]

Asom, M. T.

Balembois, F.

Bass, M.

Boyd, G. D.

Brovelli, L.

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washinton, D.C., 1994), paper CPD22.

Brovelli, L. R.

L. R. Brovelli, U. Keller, T. H. Chiu, “Design and operation of antiresonant Fabry–Perot saturable semiconductor absorbers for mode-locked solid-state lasers,”J. Opt. Soc. Am. B (to be published).

Brun, A.

Chai, B. H. T.

Chiu, T. H.

U. Keller, T. H. Chiu, J. F. Ferguson, Opt. Lett. 18, 217 (1993).
[CrossRef] [PubMed]

U. Keller, D. A. B. Miller, G. D. Boyd, T. H. Chiu, J. F. Ferguson, M. T. Asom, Opt. Lett. 17, 505 (1992).
[CrossRef] [PubMed]

L. R. Brovelli, U. Keller, T. H. Chiu, “Design and operation of antiresonant Fabry–Perot saturable semiconductor absorbers for mode-locked solid-state lasers,”J. Opt. Soc. Am. B (to be published).

Delfyett, P. J.

P. M. Mellish, P. M. W. French, J. R. Taylor, P. J. Delfyett, L. T. Florez, Electron. Lett. 30, 223 (1994).
[CrossRef]

Evans, J. M.

Fan, T. Y.

T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[CrossRef]

Ferguson, J. F.

Florez, L. T.

P. M. Mellish, P. M. W. French, J. R. Taylor, P. J. Delfyett, L. T. Florez, Electron. Lett. 30, 223 (1994).
[CrossRef]

French, P. M. W.

Georges, P.

Jacobovitz-Veselka, G. R.

Kamp, M.

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washinton, D.C., 1994), paper CPD22.

Keller, U.

U. Keller, Appl. Phys. B 58, 347 (1994).
[CrossRef]

U. Keller, T. H. Chiu, J. F. Ferguson, Opt. Lett. 18, 217 (1993).
[CrossRef] [PubMed]

G. R. Jacobovitz-Veselka, U. Keller, M. T. Asom, Opt. Lett. 17, 1791 (1992).
[CrossRef] [PubMed]

U. Keller, D. A. B. Miller, G. D. Boyd, T. H. Chiu, J. F. Ferguson, M. T. Asom, Opt. Lett. 17, 505 (1992).
[CrossRef] [PubMed]

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washinton, D.C., 1994), paper CPD22.

L. R. Brovelli, U. Keller, T. H. Chiu, “Design and operation of antiresonant Fabry–Perot saturable semiconductor absorbers for mode-locked solid-state lasers,”J. Opt. Soc. Am. B (to be published).

Kopf, D.

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washinton, D.C., 1994), paper CPD22.

LiKamWa, P.

Mellish, P. M.

P. M. Mellish, P. M. W. French, J. R. Taylor, P. J. Delfyett, L. T. Florez, Electron. Lett. 30, 223 (1994).
[CrossRef]

Mellish, R.

Miller, A.

Miller, D. A. B.

Rizvi, N. H.

Sanchez, A.

T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[CrossRef]

Sibbett, W.

Spence, D. E.

Stalder, M.

Taylor, J. R.

Van Stryland, E. W.

Weingarten, K. J.

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washinton, D.C., 1994), paper CPD22.

Appl. Phys. B (1)

U. Keller, Appl. Phys. B 58, 347 (1994).
[CrossRef]

Electron. Lett. (1)

P. M. Mellish, P. M. W. French, J. R. Taylor, P. J. Delfyett, L. T. Florez, Electron. Lett. 30, 223 (1994).
[CrossRef]

IEEE J. Quantum Electron. (1)

T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[CrossRef]

J. Opt. Soc. Am. B (1)

Opt. Lett. (8)

Other (2)

L. R. Brovelli, U. Keller, T. H. Chiu, “Design and operation of antiresonant Fabry–Perot saturable semiconductor absorbers for mode-locked solid-state lasers,”J. Opt. Soc. Am. B (to be published).

D. Kopf, K. J. Weingarten, L. Brovelli, M. Kamp, U. Keller, in Conference on Lasers and Electro-Optics, Vol. 8 of 1994 OSA Technical Digest Series (Optical Society of America, Washinton, D.C., 1994), paper CPD22.

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Figures (4)

Fig. 1
Fig. 1

Schematic of the laser cavity. HR, high reflector; ROC, radius of curvature.

Fig. 2
Fig. 2

Normalized output power versus crystal heat-sink temperature for two different crystal doping levels (1.5% and 3%) and three different output couplers (OC’s) (0.17%, 1%, and 2%). The absorbed pump power was kept constant at 300 mW.

Fig. 3
Fig. 3

(a) Cw tunability over 100 nm FWHM with a birefringent plate, (b) mode-locked tunability of approximately 10 nm. The wavelength was tuned with a knife edge inserted into the laser beam between the two prisms.

Fig. 4
Fig. 4

(a) Mode-locked pulse width with a noncollinear autocorrelation, (b) the corresponding optical spectrum.

Equations (2)

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d min = L l x Θ x .
Δ T = Q 0 4 π k L [ 1 + 2 ln ( R r ) ] ,

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