Dual-wavelength lasing: A new tool for steering high-harmonic generation


Multi-wavelength femtosecond pulses with flexible tunability in both the temporal and spectral domains have been widely desired, owing to their potential applications in controlling strong field ionization, electron dynamics, and high-order harmonic generation. Particularly, ultrafast pulses coherently synthesized by multiple spectral bands are thought to be an ingenious instrument to harness or enhance high-harmonic generation(HHG).

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