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Article Dans Une Revue Applied Physics Letters Année : 2008

Observation of spectral drift in engineered quadratic nonlinear media

Résumé

Spectral blue-shifts of femtosecond pulses induced by quadratic cascaded nonlinearities are experimentally studied in an engineered aperiodically-poled stoichiometric lithium tantalate crystal with optimized nonlinear pattern and chirp of the input pump pulses. Starting from nearly gaussian input pulses centred at 1420 nm with 70 nm spectral width, spectral shifts as high as 40 nm were obtained in combination with almost unaltered spectral shape and transform-limited pulse duration.
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Dates et versions

hal-02397760 , version 1 (06-12-2019)

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M. Marangoni, G. Sanna, D. Brida, Matteo Conforti, G. Cirmi, et al.. Observation of spectral drift in engineered quadratic nonlinear media. Applied Physics Letters, 2008, 93 (2), pp.021107. ⟨10.1063/1.2955529⟩. ⟨hal-02397760⟩
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