Phys. Rev. E 59, 7250–7253 (1999)Generation of soliton oscillations in nonlinear quadratic materialsReceived 13 January 1999; published in the issue dated June 1999 We show analytically and numerically that the generation of long-lasting soliton oscillations in resonant χ(2) optical materials possesses a threshold for the amplitude of a fundamental wave. The persistent oscillations of solitary waves reported by Etrich et al. [Phys. Rev. E 54, 4321 (1996)] are found to appear for finite values of the wave amplitude. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.59.7250
DOI:
10.1103/PhysRevE.59.7250
PACS:
42.65.Tg, 42.60.Rn, 42.65.Sf
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