Igor Kinyaevskiy, Valeri Kovalev, Pavel Danilov, Nikita Smirnov, Sergey Kudryashov, Andrey Koribut, Andrey Ionin, "Highly efficient transient stimulated Raman scattering on secondary vibrational mode of BaWO4 crystal due to its constructive interference with self-phase modulation," Chin. Opt. Lett. 21, 031902 (2023)
- Chinese Optics Letters
- Vol. 21, Issue 3, 031902 (2023)
Fig. 1. Optics scheme of the experiment.
Fig. 2. Spontaneous Raman spectrum of the BWO crystal when k and E are perpendicular to the c axis.
Fig. 3. Spectra of passing through BWO radiation at different Ep.
Fig. 4. Dependence of SRS efficiency K at ν2 BWO Raman mode on pump pulse energy Ep. Different symbols correspond to different experimental series.
Fig. 5. The exemplification of spectral-temporal matching of SPM and SRS in BWO. Diagram (A), pump pulse; diagram (B), dynamics of spectral broadening due to SPM (chirp) at different Ep (curves 1–4); diagram (C), BWO spontaneous Raman scattering spectrum.
Fig. 6. Calculated spectra of SPM broadened in BWO laser pulse (dashed lines) and experimental spectra (solid lines) at different Ep.
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