Pairs of sidebands about the transient stimulated Raman scattering (SRS) 1086 vibration mode peak are observed for calcite under 517 nm 390 fs pulse excitation. These pairs of side frequency lobes arise from modulation instability (MI) from the interaction of cross-phase modulation (XPM) from self-phase modulation (SPM) and SRS. The pairs of secondary frequencies are attributed to the daughter 1086 decay product modes from the multiphonon of 3, 4, and 5 decays. The main sideband peak from 1086 phonon at 546 suggests the operation of the Orbach effect.
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| http://dx.doi.org/10.1364/OL.395101 | DOI Listing |
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