Abstract

It is shown that Kerr-lens mode locking of a Ti:sapphire laser, with no intracavity elements except the laser rod and the dispersion-compensating prisms, can be made to be completely self-starting. We achieve this result by carefully designing the resonator to maximize the nonlinear mode variations and dynamic loss modulation.

© 1994 Optical Society of America

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References

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  1. D. E. Spence, P. N. Kean, W. Sibbett, Opt. Lett. 16, 42 (1991).
    [Crossref] [PubMed]
  2. F. Salin, J. Squier, M. Piché, Opt. Lett. 16, 1674 (1991).
    [Crossref] [PubMed]
  3. D. K Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), paper PDP4.
  4. U. Keller, G. W. ’tHooft, W. H. Knox, J. E. Cunningham, Opt. Lett. 16, 1022 (1991).
    [Crossref] [PubMed]
  5. Y. M. Liu, K. W. Sun, P. R. Prucnal, S. A. Lyon, Opt. Lett. 17, 1219 (1992).
    [Crossref] [PubMed]
  6. D. E. Spence, J. M. Evans, W. E. Sleat, W. Sibbett, Opt. Lett. 16, 1762 (1991).
    [Crossref] [PubMed]
  7. Y. Pang, F. Wise, Opt. Quantum Electron. 24, 841 (1992).
    [Crossref]
  8. K. Tamura, J. Jacobson, E. P. Ippen, H. A. Haus, J. G. Fujimoto, Opt. Lett. 18, 220 (1993).
    [Crossref] [PubMed]
  9. C. Radzewicz, G. W. Pearson, J. S. Krasinski, Opt. Commun. 102, 464 (1993).
    [Crossref]
  10. V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 96, 348 (1993).
    [Crossref]
  11. V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 101, 365 (1993).
    [Crossref]
  12. E. P. Ippen, L. Y. Liu, H. A. Haus, Opt. Lett. 15, 183 (1990).
    [Crossref] [PubMed]
  13. F. Krausz, T. Brabec, Ch. Spielmann, Opt. Lett. 16, 235 (1991).
    [Crossref] [PubMed]
  14. C. Spielmann, F. Krausz, T. Brabec, E. Wintner, A. J. Schmidt, Appl. Phys. Lett. 58, 2470 (1991).
    [Crossref]

1993 (4)

K. Tamura, J. Jacobson, E. P. Ippen, H. A. Haus, J. G. Fujimoto, Opt. Lett. 18, 220 (1993).
[Crossref] [PubMed]

C. Radzewicz, G. W. Pearson, J. S. Krasinski, Opt. Commun. 102, 464 (1993).
[Crossref]

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 96, 348 (1993).
[Crossref]

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 101, 365 (1993).
[Crossref]

1992 (2)

1991 (6)

1990 (1)

’tHooft, G. W.

Brabec, T.

F. Krausz, T. Brabec, Ch. Spielmann, Opt. Lett. 16, 235 (1991).
[Crossref] [PubMed]

C. Spielmann, F. Krausz, T. Brabec, E. Wintner, A. J. Schmidt, Appl. Phys. Lett. 58, 2470 (1991).
[Crossref]

Cerullo, G.

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 101, 365 (1993).
[Crossref]

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 96, 348 (1993).
[Crossref]

Cunningham, J. E.

De Silvestri, S.

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 96, 348 (1993).
[Crossref]

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 101, 365 (1993).
[Crossref]

Evans, J. M.

Feugnet, G.

D. K Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), paper PDP4.

Fujimoto, J. G.

Goldblatt, N.

D. K Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), paper PDP4.

Haus, H. A.

Ippen, E. P.

Jacobson, J.

Kean, P. N.

Keller, U.

Knox, W. H.

Krasinski, J. S.

C. Radzewicz, G. W. Pearson, J. S. Krasinski, Opt. Commun. 102, 464 (1993).
[Crossref]

Krausz, F.

C. Spielmann, F. Krausz, T. Brabec, E. Wintner, A. J. Schmidt, Appl. Phys. Lett. 58, 2470 (1991).
[Crossref]

F. Krausz, T. Brabec, Ch. Spielmann, Opt. Lett. 16, 235 (1991).
[Crossref] [PubMed]

Liu, L. Y.

Liu, Y. M.

Lyon, S. A.

Magni, V.

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 101, 365 (1993).
[Crossref]

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 96, 348 (1993).
[Crossref]

Negus, D. K

D. K Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), paper PDP4.

Pang, Y.

Y. Pang, F. Wise, Opt. Quantum Electron. 24, 841 (1992).
[Crossref]

Pearson, G. W.

C. Radzewicz, G. W. Pearson, J. S. Krasinski, Opt. Commun. 102, 464 (1993).
[Crossref]

Piché, M.

Prucnal, P. R.

Radzewicz, C.

C. Radzewicz, G. W. Pearson, J. S. Krasinski, Opt. Commun. 102, 464 (1993).
[Crossref]

Salin, F.

Schmidt, A. J.

C. Spielmann, F. Krausz, T. Brabec, E. Wintner, A. J. Schmidt, Appl. Phys. Lett. 58, 2470 (1991).
[Crossref]

Sibbett, W.

Sleat, W. E.

Spence, D. E.

Spielmann, C.

C. Spielmann, F. Krausz, T. Brabec, E. Wintner, A. J. Schmidt, Appl. Phys. Lett. 58, 2470 (1991).
[Crossref]

Spielmann, Ch.

Spinelli, L.

D. K Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), paper PDP4.

Squier, J.

Sun, K. W.

Tamura, K.

Wintner, E.

C. Spielmann, F. Krausz, T. Brabec, E. Wintner, A. J. Schmidt, Appl. Phys. Lett. 58, 2470 (1991).
[Crossref]

Wise, F.

Y. Pang, F. Wise, Opt. Quantum Electron. 24, 841 (1992).
[Crossref]

Appl. Phys. Lett. (1)

C. Spielmann, F. Krausz, T. Brabec, E. Wintner, A. J. Schmidt, Appl. Phys. Lett. 58, 2470 (1991).
[Crossref]

Opt. Commun. (3)

C. Radzewicz, G. W. Pearson, J. S. Krasinski, Opt. Commun. 102, 464 (1993).
[Crossref]

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 96, 348 (1993).
[Crossref]

V. Magni, G. Cerullo, S. De Silvestri, Opt. Commun. 101, 365 (1993).
[Crossref]

Opt. Lett. (8)

Opt. Quantum Electron. (1)

Y. Pang, F. Wise, Opt. Quantum Electron. 24, 841 (1992).
[Crossref]

Other (1)

D. K Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), paper PDP4.

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Figures (4)

Fig. 1
Fig. 1

Resonator configuration used for the experiments. M3, M4, concave folding mirrors.

Fig. 2
Fig. 2

Contour lines of the spot size variation δ1 in the tangential plane for the resonator of Fig. 1 as a function of the folding distance z and of the rod position x. The squares mark the points where KLM is initiated by tapping of one of the end mirrors; the triangles correspond to the self-starting condition. For z = zm the resonator is equivalent to a confocal one (A0 = D0 = 0). zB and zC correspond to the stability limits.

Fig. 3
Fig. 3

Self-starting regime of KLM monitored with a fast photodiode and a mechanical chopper that periodically stops the laser action: (a) reference signal from the chopper (the lower level corresponds to a chopper blade in the path of the beam), (b) KLM pulse train.

Fig. 4
Fig. 4

Buildup time of the self-starting regime, averaged over 20 measurements, as a function of pump power. The resonator parameters are z = 116.3 mm and x = 50.5 mm.

Equations (6)

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L = L 0 - k P ,
k = - 2 2 / π exp [ - 2 ( a / w 1 ) 2 ] a w 1 P c δ 1 ,
δ 1 = ( 1 w 1 d w 1 d p ) p = 0 ,
δ 1 max = 1 4 [ A 0 D 0 ( 1 - A 0 D 0 ) ] 1 / 2 ,
z = z m = 4 L 1 R t - R t 2 4 L 1 - 2 R t + d ( 1 - 1 n 3 ) ,
k P > T r / [ ln ( m i ) τ c ] ,

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