Enviaments recents

  • A 3D printed toolbox for opto-mechanical components 

    Salazar Serrano, Luis Jose; Pérez Torres, Juan; Valencia, Alejandra (2017-01-18)
    Article
    Accés obert
    In this article we present the development of a set of opto-mechanical components (a kinematic mount, a translation stage and an integrating sphere) that can be easily built using a 3D printer based on Fused Filament ...
  • Vector mixed-gap surface solitons 

    Kartashov, Yaroslav V.; Ye, F; Torner Sabata, Lluís (2006-05)
    Article
    Accés restringit per política de l'editorial
    We elucidate the properties of mixed-gap vector surface solitons supported by the interface between a uniform medium and an optical lattice imprinted in a Kerr-type nonlinear media. The components of such mixed-gap solitons ...
  • Management of the angular momentum of light: preparation of photons in multidimensional vector states of angular momentum 

    Molina Terriza, Gabriel; Pérez Torres, Juan; Torner Sabata, Lluís (2002-01)
    Article
    Accés restringit per política de l'editorial
    We put forward schemes to prepare photons in multidimensional vector states of orbital angular momentum. We show realizable light distributions that yield prescribed states with finite or infinite normal modes. In particular, ...
  • Ultrabroadband biphotons generated via chirped quasi-phase-matched optical parametric down-conversion 

    Nasr, M B; Carrasco, S; Saleh, B E A; Sergienko, A V; Teich, M C; Pérez Torres, Juan; Torner Sabata, Lluís; Hum, D S; Fejer, M M (2008-05)
    Article
    Accés restringit per política de l'editorial
    We generate ultrabroadband biphotons via the process of spontaneous parametric down-conversion (SPDC) in quasi-phase-matched nonlinear gratings that have a linearly chirped wave vector. By using these ultrabroadband biphotons ...
  • Soliton excitation in waveguide arrays with an effective intermediate dimensionality 

    Szameit, Alexander; Kartashov, Yaroslav V.; Dreisow, Felix; Heinrich, Matthias; Pertsch, T; Nolte, Stefan; Tunnermann, A F Lederer; Vysloukh, Victor A.; Lederer, F.; Torner Sabata, Lluís (2009-01)
    Article
    Accés restringit per política de l'editorial
    We reveal and observe experimentally significant modifications undertaken by discrete solitons in waveguide lattices upon the continuous transformation of the lattice structure from one-dimensional to two-dimensional. Light ...
  • Inhibition of light tunneling in waveguide arrays 

    Szameit, Alexander; Kartashov, Yaroslav V.; Dreisow, Felix; Heinrich, Matthias; Pertsch, T; Nolte, Stefan; Tunnermann, A; Vysloukh, Victor A.; Lederer, F; Torner Sabata, Lluís (2009-04)
    Article
    Accés restringit per política de l'editorial
    We report the observation of almost perfect light tunneling inhibition at the edge and inside laser-written waveguide arrays due to band collapse. When the refractive index of the guiding channels is harmonically modulated ...
  • Bandwidth-enhanced quadratic soliton formation by on-sample single-band amplification 

    Carrasco Rodríguez, Sílvia; Torner Sabata, Lluís (2000-09)
    Article
    Accés restringit per política de l'editorial
    Formation of optical solitons in quadratic nonlinear media under conditions for second-harmonic generation is investigated numerically in the presence of linear amplification at the fundamental frequency band. We show that ...
  • Observation of two-dimensional spatial solitary waves in a quadratic medium. 

    Torruellas, William; Wang, Zou; Hagan, Dave; VanStryland, Eric; Stegeman, George; Torner Sabata, Lluís; Menyuk, Curtis (1995-06)
    Article
    Accés restringit per política de l'editorial
    We report the first experimental demonstration of two-dimensional spatial solitary waves in second-order nonlinear optical material. When an intense optical beam is focused into a phase-matchable second-order nonlinear ...
  • Stability of spatial solitary waves in quadratic media 

    Torner Sabata, Lluís; Mihalache, Dumitru; Mazilu, D; Amhmediev, N (1995-11)
    Article
    Accés restringit per política de l'editorial
    We investigate the stability of bright solitary waves formed by the mutual trapping of the fundamental and second-harmonic waves propagating in a nonlinear quadratic medium. First, we find that most of the solitary waves ...
  • Stabilization of vector soliton complexes in nonlocal nonlinear media 

    Xu, Zhiyong; Kartashov, Yaroslav V.; Torner Sabata, Lluís (2006-05)
    Article
    Accés restringit per política de l'editorial
    We introduce vector soliton complexes in nonlocal Kerr-type nonlinear media. We discover that under proper conditions the combination of nonlocality and vectorial coupling has a remarkable stabilizing action on multihumped ...

Mostra'n més