Modulation instability induced by cross-phase modulation of transient stimulated Raman scattering and self-phase modulation in calcite | Zendy

Shah Faisal B. Mazhar | Zendy; R. R. Alfano | Zendy

Open Access

Modulation instability induced by cross-phase modulation of transient stimulated Raman scattering and self-phase modulation in calcite

Author(s) -

Shah Faisal B. Mazhar,

R. R. Alfano

Publication year - 2020

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.395101

Subject(s) - optics , phase modulation , self phase modulation , modulation (music) , cross phase modulation , raman scattering , materials science , phase (matter) , calcite , transient (computer programming) , instability , raman spectroscopy , nonlinear optics , physics , phase noise , chemistry , mineralogy , laser , quantum mechanics , computer science , acoustics , mechanics , operating system

Pairs of sidebands about the transient stimulated Raman scattering (SRS) 1086 c m -1 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 c m -1 decay product modes from the multiphonon of 3, 4, and 5 decays. The main sideband peak from 1086 c m -1 phonon at 546 c m -1 suggests the operation of the Orbach effect.

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