Spectral pulse synthesis in large-scale ultrafast coherent combining systems

F Guichard 1, 2 Marc Hanna 1 L Lombard 3 Y Zaouter 2 C Hönninger 2 Fanny Morin 2 Frédéric Druon 1 E Mottay 2 Patrick Georges 1
1 Laboratoire Charles Fabry / Lasers
LCF - Laboratoire Charles Fabry
2 Amplitude Systèmes
3 ONERA - The French Aerospace Lab [Palaiseau]
Abstract : We propose the use of coherent spectral synthesis to reach shorter pulse durations in the context of massively parallel femtosec-ond coherent combining laser systems. A preliminary experiment that performs spectral synthesis with two femtosecond fiber chirped-pulse amplifiers is presented, and shows that a significant decrease of the amplified pulse duration compared to single-band amplification is achieved. We also discuss possible implementation of spectral synthesis in a large-scale coherent combining setup.
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F Guichard, Marc Hanna, L Lombard, Y Zaouter, C Hönninger, et al.. Spectral pulse synthesis in large-scale ultrafast coherent combining systems. European Physical Journal - Special Topics, EDP Sciences, 2015, 224, pp.2545. ⟨10.1140/epjst/e2015-02563-y⟩. ⟨hal-01306661⟩

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