Conference 11770 > Paper 11770-15
Paper 11770-15

High-harmonic inverse Raman scattering

Abstract

Spectral analysis of high-order harmonics generated by ultrashort mid-infrared pulses in molecular nitrogen reveals well-resolved signatures of inverse Raman scattering, showing up near the frequencies of prominent vibrational transitions of nitrogen molecules. When tuned on a resonance with the vʹ = 0 → vʺ = 0 pathway within the B3Πg → C3Πu second positive system of molecular nitrogen, the eleventh harmonic of a 3.9-μm sub-80-fs driver is shown to acquire a distinctive antisymmetric spectral profile with red-shifted bright and blue-shifted dark features as indicators of stimulated Raman gain and loss. This high-harmonic setting extends the inverse Raman effect to a vast class of strong-field light–matter interaction scenarios.

Presenter

Alexei M. Zheltikov
M.V. Lomonosov Moscow State Univ. (Russian Federation)
Presenter/Author
Alexei M. Zheltikov
M.V. Lomonosov Moscow State Univ. (Russian Federation)
Author
M.V. Lomonosov Moscow State Univ. (Russian Federation)
Author
Dmitri Sidorov-Biryukov
M.V. Lomonosov Moscow State Univ. (Russian Federation)
Author
M.V. Lomonosov Moscow State Univ. (Russian Federation)
Author
M.V. Lomonosov Moscow State Univ. (Russian Federation)
Author
Andrey Fedotov
M.V. Lomonosov Moscow State Univ. (Russian Federation)