2008/03/31 by Fangwei Ye, Yaroslav V. Kartashov, Lluis Torner +1 · 1 citation
Mathematics · Physics and Astronomy · #Advanced Fiber Laser Technologies #Condensed matter physics #Dipole #Mathematics #Multipole expansion #Nonlinear Photonic Systems #Nonlinear Waves and Solitons #Nonlinear optics #Nonlinear system #Physics #Quantum mechanics #Saturation (graph theory) #Thermal #nlin.PS #physics.optics
paper · pdf · doi:10.1103/physreva.77.043821
published as Phys. Rev. A 77, 043821 (2008) · 29 pages, 8 figures, to appear in Phys. Rev. A
arxiv created 2008/03/31 · openalex publication_date 2008/04/16 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We address the stabilization of dipole solitons in nonlocal nonlinear materials by two different approaches. First, we study the properties of such solitons in thermal nonlinear media, where the refractive index landscapes induced by laser beams strongly depend on the boundary conditions and on the sample geometry. We show how the sample geometry impacts the stability of higher-order solitons in thermal nonlinear media and reveal that dipole solitons can be made dynamically stable in rectangular geometries, in contrast to their counterparts in thermal samples with square cross section. Second, we discuss the impact of the saturation of the nonlocal nonlinear response on the properties of multipole solitons. We find that the saturable response also stabilizes dipole solitons even in symmetric geometries, provided that the input power exceeds a critical value.