Abstract

The dispersion properties of the direct space-to-time pulse shaper are investigated for the first time to our knowledge. We demonstrate that phase-front curvature of the input spatial profile leads to a chirp in the output temporal waveform, which one can compensate for by varying the separation between the pulse-shaping lens and slit. Furthermore, the output intensity profile remains invariant as the chirp is manipulated. These properties are fundamentally different than in the well-known Fourier-transform pulse shaper.

© 2000 Optical Society of America

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References

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    [CrossRef]
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1999

1996

M. M. Wefers and K. A. Nelson, IEEE J. Quantum Electron. 32, 161 (1996).
[CrossRef]

1995

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

1993

1992

1988

1986

Cloonan, T. J.

Colombeau, B.

C. Froehly, B. Colombeau, and M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 65–153.

Emplit, Ph.

Froehly, C.

C. Froehly, B. Colombeau, and M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 65–153.

Goodman, J. W.

J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, New York, 1968).

Hamaide, J.-P.

Heritage, J. P.

Kirschner, E. M.

Leaird, D. E.

Martinez, O. E.

Morrison, R. L.

Nelson, K. A.

M. M. Wefers and K. A. Nelson, IEEE J. Quantum Electron. 32, 161 (1996).
[CrossRef]

Reynaud, F.

Vampouille, M.

C. Froehly, B. Colombeau, and M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 65–153.

Verdeyen, J. T.

J. T. Verdeyen, Laser Electronics (Prentice-Hall, Englewood Cliffs, N.J., 1995).

Walker, S. L.

Wefers, M. M.

M. M. Wefers and K. A. Nelson, IEEE J. Quantum Electron. 32, 161 (1996).
[CrossRef]

Weiner, A. M.

Appl. Opt.

IEEE J. Quantum Electron.

M. M. Wefers and K. A. Nelson, IEEE J. Quantum Electron. 32, 161 (1996).
[CrossRef]

J. Opt. Soc. Am. B

Opt. Lett.

Prog. Quantum Electron.

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

Other

C. Froehly, B. Colombeau, and M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 65–153.

J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, New York, 1968).

J. T. Verdeyen, Laser Electronics (Prentice-Hall, Englewood Cliffs, N.J., 1995).

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Figures (4)

Fig. 1
Fig. 1

Complete space-to-time shaper: Left of the dashed curve, mask-formation optics, right of dashed curve, the pulse-shaping components.

Fig. 2
Fig. 2

Output center wavelength as a function of masking-slit position. Squares, measured center wavelength of the power spectra; solid line, linear fit.

Fig. 3
Fig. 3

Chirp and space-to-time conversion constant as a function of change in pulse-shaping lens–pulse-shaping-slit separation away from the focal length of the lens. Circles, measured chirp; squares, measured space-to-time conversion constant; solid line, calculated chirp; dashed line, calculated space-to-time conversion constant; dotted line, guide to the eye for chirp=0.

Fig. 4
Fig. 4

Examples of optical packets generated with a fixed mask at the pixelation plane for pulse-shaping-lens–slit separations of 160, 226, and 279 mm.

Equations (4)

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e2x,tdωEinωS2πxβλf-γωβexpjωt,
eouttdωEinωS-γωβexpjωteint*s-tβ/γ.
sx=mxmagexp-x2wg2exp-jk2Rx2,
eoutteint*m-tβmag γexp-t2β2γ2wg2×exp-jk2γ2β2R-L-ff2t2.

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