Nonclassical-light generation in a photonic band-gap nonlinear planar   waveguide
  Optical parametric process occurring in a photonic band-gap planar waveguide is studied from the point of view of nonclassical-light generation. Nonlinearly interacting optical fields are described by the generalized superposition of coherent signals and noise using the method of operator linear corrections to a classical strong solution. Scattered backward-propagating fields are taken into account. Squeezed light as well as light with sub-Poissonian statistics can be obtained in two-mode fields under the specified conditions. 
Jan Perina Jr., Concita Sibilia, Daniela Tricca, Mario Bertolotti