La recerca d'avantguarda en les aplicacions de les ciències i tecnologies de la llum a diversos camps, amb èmfasi en la biofotònica, l'òptica quàntica i els fenòmens i dispositius de control de llum amb llum.

http://futur.upc.edu/FOTONICA

Enviaments recents

  • Bound states in the continuum in spin-orbit-coupled atomic systems 

    Kartashov, Yaroslav V.; Konotop, Vladimir V; Torner Sabata, Lluís (2017-09-14)
    Article
    Accés restringit per política de l'editorial
    We show that the interplay between spin-orbit coupling and Zeeman splitting in atomic systems can lead to the existence of bound states in the continuum (BICs) supported by trapping potentials. Such states have energies ...
  • Gap solitons on a ring 

    Kartashov, Yaroslav V.; Malomed, B A; Vysloukh, Victor A.; Torner Sabata, Lluís (2008-12)
    Article
    Accés restringit per política de l'editorial
    We introduce a new species of gap solitons (GSs) supported by an azimuthally modulated guiding ring in defocusing cubic media. The periodicity in the azimuthal direction strongly modifies properties and existence domains ...
  • Four-wave mixing of light beams with engineered orbital angular momentum in cold cesium atoms 

    Barreiro, S; Tabosa, J W R; Pérez Torres, Juan; Deyanova, Y; Torner Sabata, Lluís (2004-07)
    Article
    Accés restringit per política de l'editorial
    We report an experimental demonstration that shows that the spatial structure carried by engineered coherent superpositions of light beams with orbital angular momentum can be mapped into the nonlinear polarization induced ...
  • Orbital angular momentum of entangled counterpropagating photons 

    Pérez Torres, Juan; Osorio Tamayo, Clara Inés; Torner Sabata, Lluís (2004-08)
    Article
    Accés restringit per política de l'editorial
    We elucidate the paraxial orbital angular momentum of entangled photon pairs generated by spontaneous parametric downconversion in different noncollinear geometries in which the entangled photons counterpropagate. We find, ...
  • Soliton eigenvalue control in optical lattices 

    Kartashov, Yaroslav V.; Crasovan, L C; Zelenina, A; Vyslokh, V V; Sanpera, Anna; Lewenstein, Maciej; Torner Sabata, Lluís (2004-09)
    Article
    Accés restringit per política de l'editorial
    We address the dynamics of higher-order solitons in optical lattices, and predict their self-splitting into the set of their single-soliton constituents. The splitting is induced by the potential introduced by the lattice, ...
  • Second harmonic generation tuning curves in quasiphase-matched potassium titanyl phosphate with narrow, high-intensity beams 

    Katz, M; Eger, D; Kim, H; Jankovic, L; Stegeman, G; Carrasco Rodríguez, Sílvia; Torner Sabata, Lluís (American Institute of Physics (AIP), 2003-06)
    Article
    Accés restringit per política de l'editorial
    The second harmonic generation (SHG) tuning curves with temperature and angle of incidence were measured in periodically poled KTiOPO4 for narrow fundamental beams at intensities typical of quadratic soliton generation. ...
  • Observation of optical vortex streets in walking-second harmonic generation 

    Molina Terriza, Gabriel; Dmitri, V Petrov; Recolons Martos, Jaume; Torner Sabata, Lluís (2002-04-15)
    Article
    Accés restringit per política de l'editorial
    We report what is believed to be the first experimental observation of spontaneous nucleation of arrays of optical vortices in the process of second-harmonic generation in a crystal with moderate Poynting vector walk-off, ...
  • Continuous-wave self-pumped optical parametric oscillator based on Yb3+-doped bulk periodically-poled LiNbO3 (Mg0) 

    Capmany, J; Callejo, D; Bermúdez, V; Diéguez, E; Artigas García, David; Torner Sabata, Lluís (2001-05-15)
    Article
    Accés restringit per política de l'editorial
    We present experimental evidence of continuous-wave self-pumped parametric oscillation in Yb3+-doped periodically poled lithium niobate co-doped with MgO. A single bulk crystal of periodically poled lithium niobate containing ...
  • Optical metrology techniques harness structured light beams 

    Rosales Guzmán, Carmelo; Belmonte Molina, Aniceto; Pérez Torres, Juan (2017-03-08)
    Article
    Accés restringit per política de l'editorial
    This approach holds promise for advancing laser remote sensing, fluid dynamics and profilometry.
  • Roadmap on structured light 

    Rubinsztein-Dunlop, Halina; Forbes, Andrew; Berry, M. V.; Rosales Guzmán, Carmelo; Belmonte Molina, Aniceto; Pérez Torres, Juan (Institute of Physics (IOP), 2017)
    Article
    Accés obert
    Structured light refers to the generation and application of custom light fields. As the tools and technology to create and detect structured light have evolved, steadily the applications have begun to emerge. This roadmap ...

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