Abstract

We demonstrate the generation of powerful, bandwidth-limited pulses in a KTP optical parametric oscillator synchronously excited by the pulse train of a flash-lamp-pumped, mode-locked Nd:YLF laser. Operating the optical parametric oscillator a factor of 4 above threshold and optimizing the cavity length yields pulses of 260 ± 30 fs. The shortening by a factor of 15 relative to the pump is accompanied by extended pulse wings. Tunability of the device is shown in the wavelength range 1.2–1.6 μm.

© 1995 Optical Society of America

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References

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  1. T. J. Driscoll, G. M. Gale, F. Hache, Opt. Commun. 110, 638 (1994).
    [Crossref]
  2. R. Laenen, K. Wolfrum, A. Seilmeier, A. Laubereau, J. Opt. Soc. Am. B 10, 2151 (1993).
    [Crossref]
  3. J. D. V. Khaydarov, J. H. Andrews, K. D. Singer, Opt. Lett. 19, 831 (1994).
    [Crossref] [PubMed]
  4. A. Umbrasas, J.-C. Diels, J. Jacob, A. Piskarskas, Opt. Lett. 19, 1753 (1994).
    [Crossref] [PubMed]
  5. R. Laenen, C. Rauscher, A. Laubereau, Opt. Commun. 115, 533 (1995).
    [Crossref]
  6. L. A. W. Gloster, I. T. McKinnie, T. A. King, Opt. Commun. 112, 328 (1994).
    [Crossref]

1995 (1)

R. Laenen, C. Rauscher, A. Laubereau, Opt. Commun. 115, 533 (1995).
[Crossref]

1994 (4)

L. A. W. Gloster, I. T. McKinnie, T. A. King, Opt. Commun. 112, 328 (1994).
[Crossref]

J. D. V. Khaydarov, J. H. Andrews, K. D. Singer, Opt. Lett. 19, 831 (1994).
[Crossref] [PubMed]

A. Umbrasas, J.-C. Diels, J. Jacob, A. Piskarskas, Opt. Lett. 19, 1753 (1994).
[Crossref] [PubMed]

T. J. Driscoll, G. M. Gale, F. Hache, Opt. Commun. 110, 638 (1994).
[Crossref]

1993 (1)

Andrews, J. H.

Diels, J.-C.

Driscoll, T. J.

T. J. Driscoll, G. M. Gale, F. Hache, Opt. Commun. 110, 638 (1994).
[Crossref]

Gale, G. M.

T. J. Driscoll, G. M. Gale, F. Hache, Opt. Commun. 110, 638 (1994).
[Crossref]

Gloster, L. A. W.

L. A. W. Gloster, I. T. McKinnie, T. A. King, Opt. Commun. 112, 328 (1994).
[Crossref]

Hache, F.

T. J. Driscoll, G. M. Gale, F. Hache, Opt. Commun. 110, 638 (1994).
[Crossref]

Jacob, J.

Khaydarov, J. D. V.

King, T. A.

L. A. W. Gloster, I. T. McKinnie, T. A. King, Opt. Commun. 112, 328 (1994).
[Crossref]

Laenen, R.

Laubereau, A.

McKinnie, I. T.

L. A. W. Gloster, I. T. McKinnie, T. A. King, Opt. Commun. 112, 328 (1994).
[Crossref]

Piskarskas, A.

Rauscher, C.

R. Laenen, C. Rauscher, A. Laubereau, Opt. Commun. 115, 533 (1995).
[Crossref]

Seilmeier, A.

Singer, K. D.

Umbrasas, A.

Wolfrum, K.

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

Opt. Commun. (3)

R. Laenen, C. Rauscher, A. Laubereau, Opt. Commun. 115, 533 (1995).
[Crossref]

L. A. W. Gloster, I. T. McKinnie, T. A. King, Opt. Commun. 112, 328 (1994).
[Crossref]

T. J. Driscoll, G. M. Gale, F. Hache, Opt. Commun. 110, 638 (1994).
[Crossref]

Opt. Lett. (2)

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Figures (4)

Fig. 1
Fig. 1

Measured duration (filled squares, left-hand ordinate scale) and spectral bandwidth (open circles, right-hand ordinate scale) of the idler pulses at 1.3 μm as a function of cavity length detuning ΔL; the curves are drawn as a guide for the eye.

Fig. 2
Fig. 2

Tuning properties of the OPO: measured idler duration (filled squares, left-hand ordinate scale) and pulse duration–bandwidth product (open circles, right-hand ordinate scale) versus idler wavelength; the curves are drawn as a guide for the eye.

Fig. 3
Fig. 3

Experimental cavity length detuning converted to time units 2ΔL/c (filled squares, left-hand ordinate scale) and calculated transit time difference Δt between pump and idler pulses in the KTP crystal (dashed curve, right-hand ordinate scale) versus idler wavelength setting; the solid curve is drawn as a guide for the eye.

Fig. 4
Fig. 4

Autocorrelation data displaying extended wings for the idler pulse at 1.3 μm (semilogarithmic plot); a duration of 260 ± 30 fs is deduced for a Gaussian shape (calculated solid and dashed curves).

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