Abstract

We demonstrate shaping of high-energy broadband Yb amplifier pulses for the generation of a (sub)picosecond top-hat temporal pulse profile that significantly improves pumping efficiency of an optical parametric amplifier (OPA). Phase-only modulation is applied by an acousto-optic programmable dispersion filter. This simple scheme is scalable to a high average power due to a relatively broad bandwidth of the Yb:CaF2 gain medium used in the amplifier that supports a sub-150-fs transform-limited pulse duration. Additionally we show that OPA seeding with supercontinuum remains possible because top-hat-shaped pulses passed through a glass block recompress to 200fs with minimum satellite production.

© 2012 Optical Society of America

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2011 (1)

2010 (1)

2009 (2)

M. Yan, W. Li, Q. Hao, Y. Li, and H. Zeng, Opt. Lett. 34, 2018 (2009).
[CrossRef]

M. Bradler, P. Baum, and E. Riedle, Appl. Phys. B 97, 561 (2009).
[CrossRef]

2008 (1)

2007 (1)

J. A. Fülöp, Z. Major, B. Horváth, F. Tavella, A. Baltuška, and F. Krausz, Appl. Phys. B 87, 79 (2007).
[CrossRef]

2006 (1)

A. Dubietis, R. Butkus, and A. P. Piskarskas, IEEE J. Sel. Top. Quantum Electron. 12, 163 (2006).
[CrossRef]

2004 (1)

2003 (2)

2000 (2)

1996 (1)

Ališauskas, S.

Andriukaitis, G.

Backus, S.

Bagnoud, V.

Balcinas, T.

Baltuška, A.

Baum, P.

M. Bradler, P. Baum, and E. Riedle, Appl. Phys. B 97, 561 (2009).
[CrossRef]

Begishev, I. A.

Boedefeld, R.

Bonora, S.

Bradler, M.

M. Bradler, P. Baum, and E. Riedle, Appl. Phys. B 97, 561 (2009).
[CrossRef]

Brida, D.

Butkus, R.

A. Dubietis, R. Butkus, and A. P. Piskarskas, IEEE J. Sel. Top. Quantum Electron. 12, 163 (2006).
[CrossRef]

Cerullo, G.

Chen, M.-C.

Cheng, Z.

De Silvestri, S.

G. Cerullo and S. De Silvestri, Rev. Sci. Instrum. 74, 1 (2003).
[CrossRef]

Dubietis, A.

A. Dubietis, R. Butkus, and A. P. Piskarskas, IEEE J. Sel. Top. Quantum Electron. 12, 163 (2006).
[CrossRef]

Fülöp, J. A.

J. A. Fülöp, Z. Major, B. Horváth, F. Tavella, A. Baltuška, and F. Krausz, Appl. Phys. B 87, 79 (2007).
[CrossRef]

Gaudiosi, D. M.

Guardalben, M. J.

Hao, Q.

Hein, J.

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Hornung, M.

Horváth, B.

J. A. Fülöp, Z. Major, B. Horváth, F. Tavella, A. Baltuška, and F. Krausz, Appl. Phys. B 87, 79 (2007).
[CrossRef]

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Jochmann, A.

Kaluza, M. C.

Kapteyn, H. C.

Karsch, S.

Klingebiel, S.

Kohl, P.

Krausz, F.

Laude, V.

Li, W.

Li, Y.

Lytle, A. L.

Major, Z.

J. A. Fülöp, Z. Major, B. Horváth, F. Tavella, A. Baltuška, and F. Krausz, Appl. Phys. B 87, 79 (2007).
[CrossRef]

Murnane, M. M.

Osvay, K.

Piskarskas, A. P.

A. Dubietis, R. Butkus, and A. P. Piskarskas, IEEE J. Sel. Top. Quantum Electron. 12, 163 (2006).
[CrossRef]

Podleska, S.

Popmintchev, T.

Pugžlys, A.

Puth, J.

Riedle, E.

M. Bradler, P. Baum, and E. Riedle, Appl. Phys. B 97, 561 (2009).
[CrossRef]

Ross, I. N.

Siebold, M.

Spielmann, C.

Tavella, F.

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[CrossRef]

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Uecker, R.

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Yan, M.

Zeng, H.

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Appl. Opt. (1)

Appl. Phys. B (2)

J. A. Fülöp, Z. Major, B. Horváth, F. Tavella, A. Baltuška, and F. Krausz, Appl. Phys. B 87, 79 (2007).
[CrossRef]

M. Bradler, P. Baum, and E. Riedle, Appl. Phys. B 97, 561 (2009).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

A. Dubietis, R. Butkus, and A. P. Piskarskas, IEEE J. Sel. Top. Quantum Electron. 12, 163 (2006).
[CrossRef]

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

Opt. Express (1)

Opt. Lett. (6)

Rev. Sci. Instrum. (1)

G. Cerullo and S. De Silvestri, Rev. Sci. Instrum. 74, 1 (2003).
[CrossRef]

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Figures (3)

Fig. 1.
Fig. 1.

General layout of the laser amplifier for the generation of top-hat temporal profile pulses. FROG, frequency-resolved optical gating.

Fig. 2.
Fig. 2.

Temporal characterization of shaped pulses. (a) Spectral intensity and reconstructed phase. The dashed line shows the phase setting for the AOPDF shaper. (b) Reconstructed temporal profile of the pulse and temporal phase. For reference, a second-order autocorrelation function of the rectangular pulse. (c), (d) FROG traces of the shaped pulse and a recompressed pulse in a 30 cm long SF57 glass block, respectively. (e) Calculated Wigner distribution of the measured rectangular pulse. (f) Measurement (red dotted line) and calculation (red solid line) of the recompression of the rectangular pulse in a bulk dispersive material. A 30 cm long SF57 block of glass was used. The green dotted–dashed line shows the transform-limited pulse shape, and the blue dashed line is the initial rectangular pulse.

Fig. 3.
Fig. 3.

Supercontinuum spectrum.

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