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    • Supermode analysis of the three-waveguide nonlinear directional coupler: the critical power 

      Artigas García, David; Olivas Alguacil, Jesús; Dios Otín, Víctor Federico; Canal Bienzobas, Fernando (ELSEVIER SCIENCE BV, 1996-10-01)
      Open Access
      The three-waveguide nonlinear directional coupler switching characteristic is studied using the eigenmodes of the structure (i.e. supermodes). This model, which is more exact than the one used in previous works, has allowed ...