Parametric amplification and squeezed-light generation in a nonlinear directional coupler.

@article{Mecozzi1988ParametricAA,
  title={Parametric amplification and squeezed-light generation in a nonlinear directional coupler.},
  author={Antonio Mecozzi},
  journal={Optics letters},
  year={1988},
  volume={13 10},
  pages={925-7}
}
A scheme to realize phase-sensitive amplification of light using a nonlinear coherent coupler is proposed. Squeezed-light generation with low pump power and short interaction length is possible with this technique.