Ara es mostren els items 1-11 de 11

  • Deflection of quadratic solitons at edge dislocations 

    Petrov, D V; Carrasco Rodríguez, Sílvia; Molina Terriza, Gabriel; Torner Sabata, Lluís (2003-08)
    Article
    Accés restringit per política de l'editorial
    We report the observation of deflection of optical solitons generated in the frequency doubling of light beams containing edgelike topological amplitude and phase dislocations. The angular deflection of the solitons was ...
  • Multicolor soliton culsters 

    Kartashov, Yaroslav V.; Molina Terriza, Gabriel; Torner Sabata, Lluís (2002-11)
    Article
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    We present a comprehensive theoretical investigation of the formation and propagation of multicolor ringlike soliton clusters in quadratic nonlinear materials under conditions for type I second-harmonic generation. We show ...
  • Multidimensional quantum states of the orbital angular momentum of light 

    Vaziri, A; Weihs, G.; Mair, A; Zeilinger, A; Molina Terriza, Gabriel; Pérez Torres, Juan; Torner Sabata, Lluís (2002-12)
    Article
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  • Optical vortex streets 

    Molina Terriza, Gabriel; Petrov, D V; Torner Sabata, Lluís (2002-12)
    Article
    Accés restringit per política de l'editorial
  • Orbital angular momentum of photons in noncollinear parametric downconversion 

    Molina Terriza, Gabriel; Pérez Torres, Juan; Torner Sabata, Lluís (2003-11)
    Article
    Accés restringit per política de l'editorial
    Conservation of the orbital angular momentum (OAM) of light in photon downconversion has been observed experimentally in nearly collinear phase-matching geometries, where the pump, signal and idler photons propagate along ...
  • Preparation of engineered two-photon entangled states for multidimensional quantum information 

    Pérez Torres, Juan; Deyanova, Y; Torner Sabata, Lluís; Molina Terriza, Gabriel (2003-05)
    Article
    Accés restringit per política de l'editorial
    We put forward an experimentally feasible technique to generate engineered entangled states in d-dimensional Hilbert spaces in parametric down-conversion of photons. The scheme is based on the orbital angular momentum of ...
  • Probing canonical geometrical objects by digital spiral imaging 

    Molina Terriza, Gabriel; Rebane, L; Pérez Torres, Juan; Torner Sabata, Lluís; Carrasco, S (2007-05)
    Article
    Accés restringit per política de l'editorial
    We recently proposed a novel concept to remotely acquire information of objects, based on the discrete orbital angular momentum of light. Here we use two different schemes for implementing the technique. In order to test ...
  • Simultaneous frequency conversion and beam shaping for optical-tweezers applications 

    Molina Terriza, Gabriel; Torner Sabata, Lluís; Minardi, S; Trapani, P Di (2003-07)
    Article
    Accés restringit per política de l'editorial
    We review a method which allows the simultaneous frequency-conversion and shaping of a light beam into a variety of patterns. The method is based on the controllable dynamics of vortices nested in the light beams. We outline ...
  • Superposition of non-coaxial vortices in parametric wave mixing 

    Sukhorukov, A P; Kalinovich, A A; Molina Terriza, Gabriel; Torner Sabata, Lluís (2002-09)
    Article
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    In this paper we present a comprehensive study of the dynamics of screw phase dislocations under conditions of noncoaxial parametric three-wave mixing in the pump low-depletion regime. Under such conditions the signal and ...
  • The spatial shape of entangled photon states in non-collinear, walking parametric downconversion 

    Pérez Torres, Juan; Molina Terriza, Gabriel; Torner Sabata, Lluís (2005-08)
    Article
    Accés restringit per política de l'editorial
    We address the spatial shape of entangled photon states generated in spontaneous parametric downconversion in non-collinear geometries, when the interacting waves exhibit Poynting vector walk-off. We discuss how such shape ...
  • Twisted photons 

    Molina Terriza, Gabriel; Pérez Torres, Juan; Torner Sabata, Lluís (2007-05)
    Article
    Accés restringit per política de l'editorial
    The orbital angular momentum of light represents a fundamentally new optical degree of freedom. Unlike linear momentum, or spin angular momentum, which is associated with the polarization of light, orbital angular momentum ...