Ultrafast nonlinear response in PLZT thin films with ultrashort pulses.

@article{Bao1995UltrafastNR,
  title={Ultrafast nonlinear response in PLZT thin films with ultrashort pulses.},
  author={Carmen Bao and Johan Diels},
  journal={Optics letters},
  year={1995},
  volume={20 21},
  pages={
          2186
        }
}
We have time resolved, for the first time to our knowledge, the field-induced second-harmonic generation in lead lanthanum zirconate titanate (PLZT) thin films. Ultrafast nonlinear properties of 35/0/100 PLZT thin films are investigated with a Ti:sapphire laser, which generates 200-fs laser pulses. The PLZT responds with a rise time of 10 ps to a step-function electric field derived from a fast photoconductive coplanar waveguide structure switch. The dispersion characteristics of the… CONTINUE READING
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