Abstract

We experimentally demonstrate strong second-harmonic-generation from a self-induced all-optical poling in germanium-doped fiber with a subnanosecond laser pump at 1064 nm. The large second-harmonic conversion efficiency allows nonlinear spectral broadening at visible wavelengths so that up to nine distinct Raman sidebands have been obtained. In this work we emphasize how the Raman scattering, induced from the pump in the IR region, can drastically affect the optical poling effect, limiting in turn second-harmonic generation.

© 2010 Optical Society of America

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References

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[CrossRef]

1994

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1962

R. W. Terhune, P. D. Maker, and C. M. Savage, Phys. Rev. Lett. 8, 404 (1962).
[CrossRef]

Andrejco, M. J.

Buy-Lesvigne, C.

Canagasabey, A.

Carvalho, I. C. S.

Chernov, P. V.

Coen, S.

S. Coen, D. A. Wardle, and J. D. Harvey, Phys. Rev. Lett. 89, 273901 (2002).
[CrossRef]

Corbari, C.

Couderc, V.

Dianov, E. M.

Dong, L.

Ehrlich-Holl, B.

Harvey, J. D.

S. Coen, D. A. Wardle, and J. D. Harvey, Phys. Rev. Lett. 89, 273901 (2002).
[CrossRef]

Ibsen, M.

Kazansky, P. G.

Kornienko, L. S.

Krol, D. M.

Leproux, P.

Maker, P. D.

R. W. Terhune, P. D. Maker, and C. M. Savage, Phys. Rev. Lett. 8, 404 (1962).
[CrossRef]

Margulis, W.

Mélin, G.

Österberg, U.

Russell, P. St. J.

Rybaltovsky, A. O.

Saifi, M. A.

Savage, C. M.

R. W. Terhune, P. D. Maker, and C. M. Savage, Phys. Rev. Lett. 8, 404 (1962).
[CrossRef]

Stolen, R. H.

Terhune, R. W.

R. W. Terhune, P. D. Maker, and C. M. Savage, Phys. Rev. Lett. 8, 404 (1962).
[CrossRef]

Tom, H. W. K.

Tombelaine, V.

von der Weid, J. P.

Wardle, D. A.

S. Coen, D. A. Wardle, and J. D. Harvey, Phys. Rev. Lett. 89, 273901 (2002).
[CrossRef]

Yatsenko, Y. P.

Zhang, Z.

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Figures (4)

Fig. 1
Fig. 1

Visible spectral evolution induced by the converted wave at the second harmonic versus writing time (input peak power at 1064 nm: 19 kW; fiber length, 20 m) and with output far field patterns. (a) Visible and IR spectra; (b) visible spectrum generated from a single 532 nm input pump (fiber length, 20 m).

Fig. 2
Fig. 2

Visible and IR spectrum evolutions versus fiber length after poling process (input IR peak power at 1064 nm: 19 kW; writing time, 130 min).

Fig. 3
Fig. 3

Output power evolution versus fiber length. Circles, 532 nm; squares, 1064 nm.

Fig. 4
Fig. 4

Output pulse shape at 1064 and 1118 nm versus input pump power (fiber length, 20 m; writing time, 130 min).

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