Abstract
We propose the use of coherent spectral synthesis to reach shorter pulse durations in the context of massively parallel femtosecond 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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Guichard, F., Hanna, M., Lombard, L. et al. Spectral pulse synthesis in large-scale ultrafast coherent combining systems. Eur. Phys. J. Spec. Top. 224, 2545–2549 (2015). https://doi.org/10.1140/epjst/e2015-02563-y
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DOI: https://doi.org/10.1140/epjst/e2015-02563-y