Abstract

A practical adaptive method for femtosecond optical pulse compression is demonstrated experimentally for the first time to our knowledge. The method is robust and capable of handling the general case of pulse compression, in which the input pulses are completely uncharacterized or partially characterized.

© 1997 Optical Society of America

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References

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1997 (4)

1995 (2)

A. M. Weiner, Prog. Quantum Electron. 19, 161 (1995).
[CrossRef]

M. M. Wefers and K. A. Nelson, Opt. Lett. 20, 1047 (1995).
[CrossRef]

1994 (1)

1993 (1)

W. S. Warren, H. Rabitz, and M. Dahleh, Science 259, 1581 (1993).
[CrossRef] [PubMed]

1992 (1)

1990 (1)

1987 (1)

1984 (1)

1969 (1)

E. B. Treacy, IEEE J. Quantum Electron. 5, 454 (1969).
[CrossRef]

Baltuska, A.

Becker, P. C.

Brabec, T.

Cruz, C. H. B.

Dahleh, M.

W. S. Warren, H. Rabitz, and M. Dahleh, Science 259, 1581 (1993).
[CrossRef] [PubMed]

De Silvestri, S.

Ferencz, K.

Fork, R. L.

Gordon, J. P.

Jung, I. D.

Kärtner, F. X.

Keller, U.

Krausz, F.

Leaird, D. E.

Martinez, O. E.

Matuschek, N.

Meshulach, D.

D. Meshulach, D. Yelin, and Y. Silberberg, Opt. Commun. 138, 345 (1997).
[CrossRef]

Morier-Genoud, F.

Nelson, K. A.

Nisoli, M.

Patel, J. S.

Pshenichnikov, M. S.

Rabitz, H.

W. S. Warren, H. Rabitz, and M. Dahleh, Science 259, 1581 (1993).
[CrossRef] [PubMed]

Sartania, S.

Scheuer, V.

Schmidt, A. J.

Schudi, T.

Shank, C. V.

Silberberg, Y.

D. Meshulach, D. Yelin, and Y. Silberberg, Opt. Commun. 138, 345 (1997).
[CrossRef]

Spielmann, C. H.

Spielmann, Ch.

Sutter, D. H.

Svelto, O.

Szipöcs, R.

Tilsch, M.

Treacy, E. B.

E. B. Treacy, IEEE J. Quantum Electron. 5, 454 (1969).
[CrossRef]

Warren, W. S.

W. S. Warren, H. Rabitz, and M. Dahleh, Science 259, 1581 (1993).
[CrossRef] [PubMed]

Wefers, M. M.

Wei, Z.

Weiner, A. M.

Wiersma, D. A.

Wintner, E.

Wullert, J. R.

Yelin, D.

D. Meshulach, D. Yelin, and Y. Silberberg, Opt. Commun. 138, 345 (1997).
[CrossRef]

Zhang, G.

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Figures (4)

Fig. 1
Fig. 1

Experimental setup for adaptive pulse compression. The setup consists of a nondispersive 4-f pulse shaper, a programmable SLM, a feedback-measurement arrangement, and a computer. For the feedback signal the output pulses were focused onto a BBO nonlinear crystal, and the second-harmonic signal was detected by a photomultiplier (PMT) with a lock-in amplifier.

Fig. 2
Fig. 2

Interferometric autocorrelation traces of the uncompressed and the compressed pulses. (a) Uncompressed 80-fs pulses obtained directly from the Ti:sapphire laser (the power spectrum is shown in the inset). (b) Compressed pulses after 1000 iterations. The pulses were compressed to 14  fs.

Fig. 3
Fig. 3

Feedback signal as a function of the iteration number when a simulated annealing algorithm is used for compression.

Fig. 4
Fig. 4

Interferometric autocorrelation trace of the compressed pulses obtained with a two-dimensional search algorithm for second- and third-order dispersion coefficients, after 1200 iterations. The pulses were compressed to 11  fs. The power spectrum is shown in the inset.

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