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- W1995131746 abstract "The light-induced steering of spatial optical solitary waves in dye-doped nematic liquid crystals is analyzed. Shining a control beam through the cell results in a boundary mediated change in the orientation of the molecular director, thereby a perturbation in the refractive index of the medium. This re-orientational effect can optically steer spatial solitary waves propagating in an orthogonal plane within the liquid crystal layer. The equations governing this steering are solved using a Lagrangian formulation, resulting in modulation equations for the self-trapped beam path. Very good agreement is obtained between solutions of the modulation equations and numerical solutions of the full governing equations. Full Text: PDF References: M. Peccianti, G. Assanto, A. De Luca, C. Umeton and I. C. Khoo, Electrically assisted self-confinement and waveguiding in planar nematic liquid crystal cells, Appl. Phys. Lett. 77, 7 (2000). [CrossRef] G. Assanto, M. Peccianti, C. Conti, Nematicons: Solitons in Liquid Crystals, Opt. & Photon. News 14, 45 (2003). [CrossRef] M. Peccianti, C.Conti, G. Assanto, A. De Luca, C. Umeton, Routing of anisotropic spatial solitons and modulational instability in liquid crystals, Nature 432, 733 (2004). [CrossRef] M. Peccianti and G. Assanto, Nematic liquid crystals: A suitable medium for self-confinement of coherent and incoherent light, Phys. Rev. E 65, 035603R (2002) [CrossRef] M. Peccianti, A. Dyadyusha, M. Kaczmarek and G. Assanto, Tunable refraction and reflection of self-confined light beams, Nat. Phys. 2, 737 (2006). [CrossRef] S. V. Serak, N. V. Tabiryan, M. Peccianti and G. Assanto, Spatial soliton all-optical logic gates, IEEE Photon. Techn. Lett. 18, 1287 (2006). [CrossRef] A. Pasquazi, A. Alberucci, M. Peccianti and G. Assanto, Signal processing by opto-optical interactions between self-localized and free propagating beams in liquid crystals, Appl. Phys. Lett. 87, 261104 (2005) [CrossRef] I. C. Khoo, J. Park and J. Liou, All-optical switching of continuous wave, microsecond lasers with a dye-doped nematic liquid crystal, Appl. Phys. Lett. 90, 151107 (2007). [CrossRef] I. Janossy and A. D. Lloyd, Low-Power Reorientation in Dyed Nematics, Mol. Cryst. Liq. Cryst. 203, 77 (1991). [CrossRef] A. Alberucci, G. Assanto, Dissipative Self-Confined Beams in Doped Liquid Crystals, J. Nonl. Opt. Phys. Mat. 16, 295 (2007). [CrossRef] A. Piccardi, G. Assanto, L. Lucchetti and F. Simoni, All-optical steering of soliton waveguides in dye-doped liquid crystals, App. Phys. Lett. 93, 171104 (2008). [CrossRef] C. Conti, M. Peccianti, G. Assanto, Route to Nonlocality and of Accessible Solitons, Phys. Rev. Lett. 91, 073901 (2003). [CrossRef] C.Conti, M.Peccianti,G.Assanto, Observation of Solitons in a Highly Nonlocal Medium, Phys. Rev. Lett. 92, 113902 (2004). [CrossRef] B.D. Skuse and N.F. Smyth, Interaction of two-color solitary waves in a liquid crystal in the nonlocal regime, Phys. Rev. A 79, 063806 (2009). [CrossRef] A. A. Minzoni, N. F. Smyth, and A. L.Worthy, solutions for nematicon propagation in nonlocal liquid crystals, J. Opt. Soc. Am. B 24, 1549 (2007) [CrossRef] W. L. Kath and N. F. Smyth, Soliton evolution and radiation loss for the nonlinear Schrodinger equation, Phys. Rev. E 51, 1484 (1995). [CrossRef] G. Assanto, A.A. Minzoni, M. Peccianti and N.F. Smyth, Optical solitary waves escaping a wide trapping potential in nematic liquid crystals: Modulation theory, Phys. Rev. A 79, 033837 (2009). [CrossRef]" @default.
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- W1995131746 title "Optical path control of solitary waves in dye-doped nematic liquid crystals" @default.
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