Exploració per autor "Joannopoulos, J D"

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    • Nonlinear photonic crystals near the supercollimation point 

      Xu, Zhiyong; Maes, B; Jiang, X; Joannopoulos, J D; Torner Sabata, Lluís; Soljacic, M (2008-08)
      Article
      Accés restringit per política de l'editorial
      We uncover a strong coupling between nonlinearity and diffraction in a photonic crystal at the supercollimation point. We show that this is modeled by a nonlinear diffraction term in a nonlinear-Schrödinger-type equation ...