Abstract

We demonstrate experimentally that solid-state lasers with strong solitonlike pulse shaping can be mode locked by a slow saturable absorber only, i.e., the response time is much slower than the width of the soliton. A Ti:sapphire laser mode locked by a low-temperature-grown GaAs absorber with 10-ps recovery time generates pulses as short as 300 fs without the need for Kerr-lens mode locking and critical cavity alignment. An extrapolation of this result would predict that an ≈100-fs recovery time of a semiconductor absorber could support pulses into the 10-fs regime.

© 1995 Optical Society of America

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References

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1995 (5)

1994 (3)

1993 (1)

1992 (1)

1991 (2)

1990 (1)

F. Salin, P. Georges, A. Brun, Opt. Commun. 79, 443 (1990).
[Crossref]

1989 (1)

H. Avramopoulos, G. H. C. New, Opt. Commun. 71, 370 (1989).
[Crossref]

‘tHooft, G. W.

Asom, M. T.

Avramopoulos, H.

H. Avramopoulos, G. H. C. New, Opt. Commun. 71, 370 (1989).
[Crossref]

Boyd, G. D.

Brovelli, L. R.

L. R. Brovelli, U. Keller, T. H. Chiu, J. Opt. Soc. Am. B 12, 311 (1995).
[Crossref]

L. R. Brovelli, I. D. Jung, D. Kopf, M. Kamp, M. Moser, F. X. Kärtner, U. Keller, Electron. Lett. 31, 287 (1995).
[Crossref]

Brun, A.

F. Salin, P. Georges, A. Brun, Opt. Commun. 79, 443 (1990).
[Crossref]

Chiu, T. H.

Christov, I. P.

Cunningham, J. E.

Ferguson, J. F.

Feugnet, G.

D. K. Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Advanced Solid-State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991) p. 120.

Georges, P.

F. Salin, P. Georges, A. Brun, Opt. Commun. 79, 443 (1990).
[Crossref]

Goldblatt, N.

D. K. Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Advanced Solid-State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991) p. 120.

Huang, C.-P.

Jung, I. D.

L. R. Brovelli, I. D. Jung, D. Kopf, M. Kamp, M. Moser, F. X. Kärtner, U. Keller, Electron. Lett. 31, 287 (1995).
[Crossref]

Kamp, M.

L. R. Brovelli, I. D. Jung, D. Kopf, M. Kamp, M. Moser, F. X. Kärtner, U. Keller, Electron. Lett. 31, 287 (1995).
[Crossref]

Kapteyn, H. C.

Kärtner, F.

Kärtner, F. X.

F. X. Kärtner, D. Kopf, U. Keller, J. Opt. Soc. Am. B 12, 486 (1995).
[Crossref]

F. X. Kärtner, U. Keller, Opt. Lett. 20, 16 (1995).
[Crossref] [PubMed]

L. R. Brovelli, I. D. Jung, D. Kopf, M. Kamp, M. Moser, F. X. Kärtner, U. Keller, Electron. Lett. 31, 287 (1995).
[Crossref]

Kean, P. N.

Keller, U.

Knox, W. H.

Kopf, D.

Krausz, F.

Lenzner, M.

Miller, D. A. B.

Moser, M.

L. R. Brovelli, I. D. Jung, D. Kopf, M. Kamp, M. Moser, F. X. Kärtner, U. Keller, Electron. Lett. 31, 287 (1995).
[Crossref]

Murnane, M. M.

Negus, D. K.

D. K. Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Advanced Solid-State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991) p. 120.

New, G. H. C.

H. Avramopoulos, G. H. C. New, Opt. Commun. 71, 370 (1989).
[Crossref]

Salin, F.

F. Salin, P. Georges, A. Brun, Opt. Commun. 79, 443 (1990).
[Crossref]

Sibbett, W.

Spence, D. E.

Spielmann, Ch.

Spinelli, L.

D. K. Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Advanced Solid-State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991) p. 120.

Stingl, A.

Taft, G.

Weingarten, K. J.

Zhou, J.

Appl. Phys. B (1)

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

Electron. Lett. (1)

L. R. Brovelli, I. D. Jung, D. Kopf, M. Kamp, M. Moser, F. X. Kärtner, U. Keller, Electron. Lett. 31, 287 (1995).
[Crossref]

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

Opt. Commun. (2)

F. Salin, P. Georges, A. Brun, Opt. Commun. 79, 443 (1990).
[Crossref]

H. Avramopoulos, G. H. C. New, Opt. Commun. 71, 370 (1989).
[Crossref]

Opt. Lett. (8)

Other (1)

D. K. Negus, L. Spinelli, N. Goldblatt, G. Feugnet, in Advanced Solid-State Lasers, G. Dubé, L. Chase, eds., Vol. 10 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1991) p. 120.

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Figures (4)

Fig. 1
Fig. 1

Measured impulse response of the A-FPSA using 100-fs pulses with an energy fluence equal to that used inside the laser. The inset shows high-dynamic-range autocorrelation trace of the solitonlike pulse with 300 fs FWHM, achieved with soliton mode locking.

Fig. 2
Fig. 2

Measured autocorrelation traces and spectra for different intracavity GVD’s at an average output power of 200 mW.

Fig. 3
Fig. 3

Computed equivalent fast saturable absorber coefficient from KLM as a function of the laser crystal position and the distance between the A-FPSA and the folding mirror.

Fig. 4
Fig. 4

Stability diagram for a soliton mode-locked laser stabilized by a slow saturable absorber according to Ref. 9. The filled boxes give the experimentally measured pulse width in the stable regime; the dashed curve gives the ideal soliton pulse width τ = 4|D|/δW as a function of dispersion or normalized recovery time w = T A q 0 / D . The hatched area within the dotted curves shows the soliton loss for w0 = 53 ± 5.

Equations (2)

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l s = D g , f / 3 τ 2 + q 0 E A W [ 1 - exp ( - W E A ) ] ,
l s q 0 E A W + ( w w 0 ) 4 ,             w 0 = ( 4 Ω f T A 2 q 0 3 / 2 3 δ W ) 1 / 2 .

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