We found conditions for excitation of bright-bright 27T solitons in stimulated Raman scattering that involves nutation of population at Raman quantum levels, for two (laser-Stokes) and three (e.g., laser-Stokes-anti-Stokes) components. The soliton components at all participating frequencies are bright solitons of the same, Lorentzian, shape, in contrast to the well-known bright-dark soliton combination in stimulated Raman scattering. It is well known that stimulated Raman scattering (SRS) may result in the formation of peculiar solitons that combine a so-called bright (regular) soliton at the pump (laser) frequency and a so-called dark soliton (a deep minimum in the intensity profile) at the Stokes frequency. Mathematically identified as solitons in early research 1 2 and experimentally observed first in the research reported in Ref. 3, these formations (regarded also as transient solitons4 6 having a r phase jump at the Stokes frequency) have been extensively explored. 7 Following experimental observations
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