Abstract

The use of a controlled, removable angular dispersion applied to the signal beam in a plane orthogonal to that containing the noncollinear angle is experimentally demonstrated as a technique to broaden the gain bandwidth in optical parametric chirped-pulse amplification. With a pump beam centered at 526nm the supercontinuum signal is amplified in the 900to1220nm range in a β-barium borate crystal with a gain >1000. This represents a bandwidth improvement greater than 30% relative to conventional designs.

© 2009 Optical Society of America

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References

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L. Cardoso and G. Figueira, Opt. Commun. 251, 405 (2005).
[CrossRef]

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

2002 (1)

2000 (1)

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1989 (1)

O. E. Martínez, IEEE J. Quantum Electron. 25, 2464 (1989).
[CrossRef]

Arisholm, G.

Baltuska, A.

Biegert, J.

Bulanov, S. V.

G. A. Mourou, T. Tajima, and S. V. Bulanov, Rev. Mod. Phys. 78, 309 (2006).
[CrossRef]

Cardoso, L.

Cerullo, G.

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

Cheriaux, G.

Chvykov, V.

De Silvestri, S.

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

Eikema, K. S. E.

Figueira, G.

Fuji, T.

Gu, X.

Hauri, C.

Hogervorst, W.

Kalinchenko, G.

Keller, U.

Kimmel, M.

Kobayashi, T.

Krushelnick, K.

Maksimchuk, A.

Martínez, O. E.

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[CrossRef]

Matsuoka, T.

Mourou, G.

Mourou, G. A.

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[CrossRef]

Nees, J.

O'Shea, P.

Osvay, K.

Planchon, T.

Ross, I. N.

Rousseau, P.

Schlup, P.

Tajima, T.

G. A. Mourou, T. Tajima, and S. V. Bulanov, Rev. Mod. Phys. 78, 309 (2006).
[CrossRef]

Trebino, R.

Ubachs, W.

Witte, S.

Wolf, A. L.

Yanovsky, V.

Zinkstok, R. Th.

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Figures (3)

Fig. 1
Fig. 1

Ultrabroadband amplification setup. BS, beam splitters; BD, beam dumps; BE, beam elevator; MO, 20 × microscope objective; L, lenses; G, gratings; λ 2 , half-wave plate. Dashed black arrows mark the sites where some of the alignment variables are controlled, as labelled. Inset, straightened side view of the components that create the angular dispersion.

Fig. 2
Fig. 2

(a) Input and (b) output spectra of the OPCPA experiment with signal angular dispersion [empty area, dark gray curves (blue and green online)] and without (shaded light gray curves), i.e., conventional noncollinear OPA setup. The output signal spectra are calculated from the idler as described in the text. IR int, IR intensifier.

Fig. 3
Fig. 3

Calculated gain at the listed target operating conditions (solid curve) and restricted gain curve due to finite pump beam diameter (dashed curve, magnified 8 × ).

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