Phys. Rev. Lett. 92, 223902 (2004) [4 pages]Observation of Resonance Soliton Trapping due to a Photoinduced Gap in Wave NumberReceived 16 July 2003; published 2 June 2004 We investigate the nonlinear propagation of two forward propagating modes coupled by a resonant traveling-wave grating, which is photoinduced by illuminating an optical fiber with a beat signal. This interaction, representative of systems whose dispersion relation K=K(Ω) exhibits a gap in momentum K, shows evidence of localization mediated by resonance solitons. The signature of a still (in the grating frame) soliton is grating-induced cancellation of modal group-velocity mismatch. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.223902
DOI:
10.1103/PhysRevLett.92.223902
PACS:
42.65.Tg, 03.50.De, 05.45.Yv, 42.65.Jx
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