Abstract

We demonstrate the generation of nearly bandwidth-limited 8-fs optical pulses near 0.8 μm from a self-mode-locked Ti:sapphire laser oscillator, using chirped dielectric mirrors for dispersion control. The mode-locking performance is described, and limitations are discussed.

© 1995 Optical Society of America

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References

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  1. See, for example,B. B. Ju, E. A. De Souza, W. H. Knox, M. C. Nuss, J. E. Cunningham, in Ultrafast Phenomena, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper PDP12.
  2. P. B. Corkum, F. Brunel, N. K. Sherman, Phys. Rev. Lett. 61, 2886 (1988).
    [CrossRef] [PubMed]
  3. D. Du, X. Liu, G. Korn, J. Squier, G. Mourou, Appl. Phys. Lett. 64, 3071 (1994).
    [CrossRef]
  4. P. F. Moulton, J. Opt. Soc. Am. B 3, 125 (1986).
    [CrossRef]
  5. D. E. Spence, P. N. Kean, W. Sibbett, Opt. Lett. 16, 42 (1991).
    [CrossRef] [PubMed]
  6. R. Szipöcs, K. Ferencz, Ch. Spielmann, F. Krausz, Opt. Lett. 19, 201 (1994).
    [CrossRef] [PubMed]
  7. R. L. Fork, O. E. Martinez, J. P. Gordon, Opt. Lett. 9, 150 (1984).
    [CrossRef] [PubMed]
  8. C. P. Huang, H. C. Kapteyn, J. W. McIntosh, M. M. Murnane, Opt. Lett. 17, 139 (1992); F. Krausz, C. Spielmann, T. Brabec, E. Wintner, A. J. Schmidt, Opt. Lett. 17, 204 (1992);C. P. Huang, M. T. Asaki, S. Backus, M. M. Murnane, H. C. Kapteyn, H. Nathel, Opt. Lett. 17, 1289 (1992);B. Proctor, F. Wise, Opt. Lett. 17, 1295 (1992);B. E. Lemoff, C. P. J. Barty, Opt. Lett. 17, 1367 (1992).
    [CrossRef] [PubMed]
  9. Ch. Spielmann, P. F. Curley, T. Brabec, E. Wintner, F. Krausz, Electron. Lett. 28, 1532 (1992).
    [CrossRef]
  10. P. F. Curley, Ch. Spielmann, T. Brabec, F. Krausz, E. Wintner, A. J. Schmidt, Opt. Lett. 18, 54 (1993).
    [CrossRef] [PubMed]
  11. B. Proctor, F. Wise, Appl. Phys. Lett. 62, 470 (1993).
    [CrossRef]
  12. M. Asaki, C. Huang, D. Garvey, J. Zhou, H. C. Kapteyn, M. M. Murnane, Opt. Lett. 18, 977 (1993).
    [CrossRef] [PubMed]
  13. B. E. Lemoff, C. P. J. Barty, Opt. Lett. 18, 57 (1993).
    [CrossRef] [PubMed]
  14. Ch. Spielmann, P. F. Curley, T. Brabec, F. Krausz, IEEE J. Quantum Electron. 30, 1100 (1994).
    [CrossRef]
  15. J. Zhou, G. Taft, C. P. Huang, M. M. Murnane, H. C. Kapteyn, I. Christov, Opt. Lett. 19, 1149 (1994).
    [PubMed]
  16. I. P. Christov, M. M. Murname, H. C. Kapteyn, J. Zhou, C.-P. Huang, Opt. Lett. 19, 1465 (1994).
    [CrossRef] [PubMed]
  17. J. D. Harvey, J. M. Dudley, P. F. Curley, Ch. Spielmann, F. Krausz, Opt. Lett. 19, 972 (1994).
    [CrossRef] [PubMed]
  18. A. Stingl, Ch. Spielmann, F. Krausz, R. Szipöcs, Opt. Lett. 19, 204 (1994).
    [CrossRef] [PubMed]
  19. Although the Fourier transform of the measured spectrum would give a pulse width of 8.6 fs in the absence of spectral phase modulation, this value is likely to be modified by the spectral response of the monochromator, which is not precisely known. Even with a constant spectral FWHM, the calculated minimum pulse width is utterly sensitive to slight changes in the wings of the spectrum.
  20. R. L. Fork, C. H. Brito Cruz, P. C. Becker, C. V. Shank, Opt. Lett. 12, 483 (1987).
    [CrossRef] [PubMed]
  21. Ch. Spielmann, R. Szipöcs, A. Stingle, F. Krausz, Phys. Rev. Lett. 73, 2308 (1994).
    [CrossRef] [PubMed]
  22. This should be contrasted with the center wavelength of ≈850 nm in prism-controlled Ti:sapphire lasers offering comparable performance (Refs. 14 and 15).

1994 (8)

1993 (4)

1992 (2)

1991 (1)

1988 (1)

P. B. Corkum, F. Brunel, N. K. Sherman, Phys. Rev. Lett. 61, 2886 (1988).
[CrossRef] [PubMed]

1987 (1)

1986 (1)

1984 (1)

Asaki, M.

Barty, C. P. J.

Becker, P. C.

Brabec, T.

Ch. Spielmann, P. F. Curley, T. Brabec, F. Krausz, IEEE J. Quantum Electron. 30, 1100 (1994).
[CrossRef]

P. F. Curley, Ch. Spielmann, T. Brabec, F. Krausz, E. Wintner, A. J. Schmidt, Opt. Lett. 18, 54 (1993).
[CrossRef] [PubMed]

Ch. Spielmann, P. F. Curley, T. Brabec, E. Wintner, F. Krausz, Electron. Lett. 28, 1532 (1992).
[CrossRef]

Brito Cruz, C. H.

Brunel, F.

P. B. Corkum, F. Brunel, N. K. Sherman, Phys. Rev. Lett. 61, 2886 (1988).
[CrossRef] [PubMed]

Christov, I.

Christov, I. P.

Corkum, P. B.

P. B. Corkum, F. Brunel, N. K. Sherman, Phys. Rev. Lett. 61, 2886 (1988).
[CrossRef] [PubMed]

Cunningham, J. E.

See, for example,B. B. Ju, E. A. De Souza, W. H. Knox, M. C. Nuss, J. E. Cunningham, in Ultrafast Phenomena, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper PDP12.

Curley, P. F.

Ch. Spielmann, P. F. Curley, T. Brabec, F. Krausz, IEEE J. Quantum Electron. 30, 1100 (1994).
[CrossRef]

J. D. Harvey, J. M. Dudley, P. F. Curley, Ch. Spielmann, F. Krausz, Opt. Lett. 19, 972 (1994).
[CrossRef] [PubMed]

P. F. Curley, Ch. Spielmann, T. Brabec, F. Krausz, E. Wintner, A. J. Schmidt, Opt. Lett. 18, 54 (1993).
[CrossRef] [PubMed]

Ch. Spielmann, P. F. Curley, T. Brabec, E. Wintner, F. Krausz, Electron. Lett. 28, 1532 (1992).
[CrossRef]

De Souza, E. A.

See, for example,B. B. Ju, E. A. De Souza, W. H. Knox, M. C. Nuss, J. E. Cunningham, in Ultrafast Phenomena, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper PDP12.

Du, D.

D. Du, X. Liu, G. Korn, J. Squier, G. Mourou, Appl. Phys. Lett. 64, 3071 (1994).
[CrossRef]

Dudley, J. M.

Ferencz, K.

Fork, R. L.

Garvey, D.

Gordon, J. P.

Harvey, J. D.

Huang, C.

Huang, C. P.

Huang, C.-P.

Ju, B. B.

See, for example,B. B. Ju, E. A. De Souza, W. H. Knox, M. C. Nuss, J. E. Cunningham, in Ultrafast Phenomena, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper PDP12.

Kapteyn, H. C.

Kean, P. N.

Knox, W. H.

See, for example,B. B. Ju, E. A. De Souza, W. H. Knox, M. C. Nuss, J. E. Cunningham, in Ultrafast Phenomena, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper PDP12.

Korn, G.

D. Du, X. Liu, G. Korn, J. Squier, G. Mourou, Appl. Phys. Lett. 64, 3071 (1994).
[CrossRef]

Krausz, F.

Lemoff, B. E.

Liu, X.

D. Du, X. Liu, G. Korn, J. Squier, G. Mourou, Appl. Phys. Lett. 64, 3071 (1994).
[CrossRef]

Martinez, O. E.

McIntosh, J. W.

Moulton, P. F.

Mourou, G.

D. Du, X. Liu, G. Korn, J. Squier, G. Mourou, Appl. Phys. Lett. 64, 3071 (1994).
[CrossRef]

Murname, M. M.

Murnane, M. M.

Nuss, M. C.

See, for example,B. B. Ju, E. A. De Souza, W. H. Knox, M. C. Nuss, J. E. Cunningham, in Ultrafast Phenomena, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper PDP12.

Proctor, B.

B. Proctor, F. Wise, Appl. Phys. Lett. 62, 470 (1993).
[CrossRef]

Schmidt, A. J.

Shank, C. V.

Sherman, N. K.

P. B. Corkum, F. Brunel, N. K. Sherman, Phys. Rev. Lett. 61, 2886 (1988).
[CrossRef] [PubMed]

Sibbett, W.

Spence, D. E.

Spielmann, Ch.

Squier, J.

D. Du, X. Liu, G. Korn, J. Squier, G. Mourou, Appl. Phys. Lett. 64, 3071 (1994).
[CrossRef]

Stingl, A.

Stingle, A.

Ch. Spielmann, R. Szipöcs, A. Stingle, F. Krausz, Phys. Rev. Lett. 73, 2308 (1994).
[CrossRef] [PubMed]

Szipöcs, R.

Taft, G.

Wintner, E.

P. F. Curley, Ch. Spielmann, T. Brabec, F. Krausz, E. Wintner, A. J. Schmidt, Opt. Lett. 18, 54 (1993).
[CrossRef] [PubMed]

Ch. Spielmann, P. F. Curley, T. Brabec, E. Wintner, F. Krausz, Electron. Lett. 28, 1532 (1992).
[CrossRef]

Wise, F.

B. Proctor, F. Wise, Appl. Phys. Lett. 62, 470 (1993).
[CrossRef]

Zhou, J.

Appl. Phys. Lett. (2)

D. Du, X. Liu, G. Korn, J. Squier, G. Mourou, Appl. Phys. Lett. 64, 3071 (1994).
[CrossRef]

B. Proctor, F. Wise, Appl. Phys. Lett. 62, 470 (1993).
[CrossRef]

Electron. Lett. (1)

Ch. Spielmann, P. F. Curley, T. Brabec, E. Wintner, F. Krausz, Electron. Lett. 28, 1532 (1992).
[CrossRef]

IEEE J. Quantum Electron. (1)

Ch. Spielmann, P. F. Curley, T. Brabec, F. Krausz, IEEE J. Quantum Electron. 30, 1100 (1994).
[CrossRef]

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

Opt. Lett. (12)

D. E. Spence, P. N. Kean, W. Sibbett, Opt. Lett. 16, 42 (1991).
[CrossRef] [PubMed]

R. Szipöcs, K. Ferencz, Ch. Spielmann, F. Krausz, Opt. Lett. 19, 201 (1994).
[CrossRef] [PubMed]

R. L. Fork, O. E. Martinez, J. P. Gordon, Opt. Lett. 9, 150 (1984).
[CrossRef] [PubMed]

C. P. Huang, H. C. Kapteyn, J. W. McIntosh, M. M. Murnane, Opt. Lett. 17, 139 (1992); F. Krausz, C. Spielmann, T. Brabec, E. Wintner, A. J. Schmidt, Opt. Lett. 17, 204 (1992);C. P. Huang, M. T. Asaki, S. Backus, M. M. Murnane, H. C. Kapteyn, H. Nathel, Opt. Lett. 17, 1289 (1992);B. Proctor, F. Wise, Opt. Lett. 17, 1295 (1992);B. E. Lemoff, C. P. J. Barty, Opt. Lett. 17, 1367 (1992).
[CrossRef] [PubMed]

P. F. Curley, Ch. Spielmann, T. Brabec, F. Krausz, E. Wintner, A. J. Schmidt, Opt. Lett. 18, 54 (1993).
[CrossRef] [PubMed]

J. Zhou, G. Taft, C. P. Huang, M. M. Murnane, H. C. Kapteyn, I. Christov, Opt. Lett. 19, 1149 (1994).
[PubMed]

I. P. Christov, M. M. Murname, H. C. Kapteyn, J. Zhou, C.-P. Huang, Opt. Lett. 19, 1465 (1994).
[CrossRef] [PubMed]

J. D. Harvey, J. M. Dudley, P. F. Curley, Ch. Spielmann, F. Krausz, Opt. Lett. 19, 972 (1994).
[CrossRef] [PubMed]

A. Stingl, Ch. Spielmann, F. Krausz, R. Szipöcs, Opt. Lett. 19, 204 (1994).
[CrossRef] [PubMed]

M. Asaki, C. Huang, D. Garvey, J. Zhou, H. C. Kapteyn, M. M. Murnane, Opt. Lett. 18, 977 (1993).
[CrossRef] [PubMed]

B. E. Lemoff, C. P. J. Barty, Opt. Lett. 18, 57 (1993).
[CrossRef] [PubMed]

R. L. Fork, C. H. Brito Cruz, P. C. Becker, C. V. Shank, Opt. Lett. 12, 483 (1987).
[CrossRef] [PubMed]

Phys. Rev. Lett. (2)

Ch. Spielmann, R. Szipöcs, A. Stingle, F. Krausz, Phys. Rev. Lett. 73, 2308 (1994).
[CrossRef] [PubMed]

P. B. Corkum, F. Brunel, N. K. Sherman, Phys. Rev. Lett. 61, 2886 (1988).
[CrossRef] [PubMed]

Other (3)

See, for example,B. B. Ju, E. A. De Souza, W. H. Knox, M. C. Nuss, J. E. Cunningham, in Ultrafast Phenomena, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), paper PDP12.

This should be contrasted with the center wavelength of ≈850 nm in prism-controlled Ti:sapphire lasers offering comparable performance (Refs. 14 and 15).

Although the Fourier transform of the measured spectrum would give a pulse width of 8.6 fs in the absence of spectral phase modulation, this value is likely to be modified by the spectral response of the monochromator, which is not precisely known. Even with a constant spectral FWHM, the calculated minimum pulse width is utterly sensitive to slight changes in the wings of the spectrum.

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Figures (3)

Fig. 1
Fig. 1

Schematic of the MDC femtosecond Ti:sapphire (Ti:S) laser. The pump beam is focused with a 40-mm lens onto a 2-mm-thick highly doped Ti:S crystal (absorption coefficient, 5 cm−1 at 514 nm). M1, M2, single-stack quarter-wave dichroic mirrors highly transmitting at the pump wavelengths with radii of curvature of 5 cm; M3–M8, chirped dispersive mirrors; VS, vertical slit; OC, 3.3% broadband output coupler; CP, wedged glass plate.

Fig. 2
Fig. 2

Reflectivity and GDD of the chirped dielectric mirrors (solid curves) and the reflectivity of the output coupler (dashed curve).

Fig. 3
Fig. 3

Single-scan FRAC trace of the output of the MDC Ti:sapphire laser. The dashed curves represent the calculated envelopes of an 8.2-fs sech2-shaped pulse. The collinear autocorrelator has been calibrated by use of a He–Ne laser. The fringe asymmetry is presumably caused by a slight bend of the thin beam splitter or the astigmatism introduced by the focusing mirror. Inset: spectrum of the mode-locked laser (solid curve) and transmittivity of the dichroic curved mirrors (dashed curve). The ends of the dashed curve correspond to a transmission of 10%.

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