Abstract

We demonstrate autocorrelation measurements of 85-fs Ti:sapphire laser pulses, using a 32-pixel ZnSe detector array in a single-shot geometry. The two-photon photoconductor is fabricated by deposition of an array of interdigitated gold fingers on a single-crystal ZnSe substrate.

© 1999 Optical Society of America

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References

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  1. W. Rudolph, M. Sheik-Bahae, A. Bernstein, and L. F. Lester, Opt. Lett. 22, 313 (1997).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef]
  4. P. Dorn, J. Jasapara, J. Zeller, W. Rudolph, and M. Sheik-Bahae, in Ultrafast Phenomena XI, T. Elsaesser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, eds., Vol. 63 of Springer Series in Chemical Physics (Springer, New York, 1998), pp. 165–167.
    [CrossRef]
  5. J.-C. Diels and W. Rudolph, Ultrashort Laser Pulse Phenomena:?Fundamentals, Techniques, and Applications on a Femtosecond Time Scale (Academic, San Diego, Calif., 1996).
  6. Y. Takagi, T. Kobayashi, K. Yoshihara, and S. Imamura, Opt. Lett. 17, 658 (1992).
    [CrossRef] [PubMed]
  7. S. M. Sze, Physics of Semiconductor Devices, 2nd ed. (Wiley, New York, 1981).

1997 (3)

1992 (1)

Baltuska, A.

Bernstein, A.

Diels, J.-C.

J.-C. Diels and W. Rudolph, Ultrashort Laser Pulse Phenomena:?Fundamentals, Techniques, and Applications on a Femtosecond Time Scale (Academic, San Diego, Calif., 1996).

Dorn, P.

P. Dorn, J. Jasapara, J. Zeller, W. Rudolph, and M. Sheik-Bahae, in Ultrafast Phenomena XI, T. Elsaesser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, eds., Vol. 63 of Springer Series in Chemical Physics (Springer, New York, 1998), pp. 165–167.
[CrossRef]

Gaeta, A. L.

Imamura, S.

Jasapara, J.

P. Dorn, J. Jasapara, J. Zeller, W. Rudolph, and M. Sheik-Bahae, in Ultrafast Phenomena XI, T. Elsaesser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, eds., Vol. 63 of Springer Series in Chemical Physics (Springer, New York, 1998), pp. 165–167.
[CrossRef]

Kobayashi, T.

Lester, L. F.

McGowan, C.

Padgett, M.

Pshenichnikov, M. S.

Ranka, J. K.

Reid, D. T.

Rudolph, W.

W. Rudolph, M. Sheik-Bahae, A. Bernstein, and L. F. Lester, Opt. Lett. 22, 313 (1997).
[CrossRef] [PubMed]

P. Dorn, J. Jasapara, J. Zeller, W. Rudolph, and M. Sheik-Bahae, in Ultrafast Phenomena XI, T. Elsaesser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, eds., Vol. 63 of Springer Series in Chemical Physics (Springer, New York, 1998), pp. 165–167.
[CrossRef]

J.-C. Diels and W. Rudolph, Ultrashort Laser Pulse Phenomena:?Fundamentals, Techniques, and Applications on a Femtosecond Time Scale (Academic, San Diego, Calif., 1996).

Sheik-Bahae, M.

W. Rudolph, M. Sheik-Bahae, A. Bernstein, and L. F. Lester, Opt. Lett. 22, 313 (1997).
[CrossRef] [PubMed]

P. Dorn, J. Jasapara, J. Zeller, W. Rudolph, and M. Sheik-Bahae, in Ultrafast Phenomena XI, T. Elsaesser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, eds., Vol. 63 of Springer Series in Chemical Physics (Springer, New York, 1998), pp. 165–167.
[CrossRef]

Sibbett, W.

Sleat, W. E.

Sze, S. M.

S. M. Sze, Physics of Semiconductor Devices, 2nd ed. (Wiley, New York, 1981).

Takagi, Y.

Wiersma, D. A.

Yoshihara, K.

Zeller, J.

P. Dorn, J. Jasapara, J. Zeller, W. Rudolph, and M. Sheik-Bahae, in Ultrafast Phenomena XI, T. Elsaesser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, eds., Vol. 63 of Springer Series in Chemical Physics (Springer, New York, 1998), pp. 165–167.
[CrossRef]

Opt. Lett. (4)

Other (3)

P. Dorn, J. Jasapara, J. Zeller, W. Rudolph, and M. Sheik-Bahae, in Ultrafast Phenomena XI, T. Elsaesser, J. G. Fujimoto, D. A. Wiersma, and W. Zinth, eds., Vol. 63 of Springer Series in Chemical Physics (Springer, New York, 1998), pp. 165–167.
[CrossRef]

J.-C. Diels and W. Rudolph, Ultrashort Laser Pulse Phenomena:?Fundamentals, Techniques, and Applications on a Femtosecond Time Scale (Academic, San Diego, Calif., 1996).

S. M. Sze, Physics of Semiconductor Devices, 2nd ed. (Wiley, New York, 1981).

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Figures (5)

Fig. 1
Fig. 1

(a) Layout of a 32-pixel two-photon current detector based on ZnSe and two-photon current images obtained from a femtosecond scanning microscope for (b) single-crystal and (c) polycrystalline substrates. Bright areas indicate a large current signal. The curve in (b) is a representative line scan.

Fig. 2
Fig. 2

AC trace of an 10fs (FWHM) pulse obtained with a scanning autocorrelator by use of a single pixel of the array detector.

Fig. 3
Fig. 3

Schematic diagram of a single-shot autocorrelator without moving parts, based on a two-photon current detector array. B.S., beam splitter.

Fig. 4
Fig. 4

AC trace of 85-fs Ti:sapphire laser pulses recorded with the two-photon current detector array.

Fig. 5
Fig. 5

Top trace, measured current through a single pixel (23) as a function of the position of a tightly focused beam from a femtosecond Ti:sapphire laser. Bottom trace, same as above but with pixels 23 and 25 connected simultaneously. A diagram depicting the finger configuration of the array structure is shown at the top.

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