Ultrafast laser waveguide writing: Lithium niobate and the role of circular polarization and picosecond pulse width.

@article{Nejadmalayeri2006UltrafastLW,
  title={Ultrafast laser waveguide writing: Lithium niobate and the role of circular polarization and picosecond pulse width.},
  author={Amir Hossein Nejadmalayeri and Peter. R. Herman},
  journal={Optics letters},
  year={2006},
  volume={31 20},
  pages={
          2987-9
        }
}
For the first time to our knowledge, ultrafast laser writing has generated room-temperature stable guided-wave optics in bulk lithium niobate for the telecommunication spectrum. Among a seven-dimensional parameter space for waveguide optimization, two frequently overlooked parameters, pulse duration and polarization, were found to be key in overcoming undesired nonlinear optical responses imposed by this material. Single-mode waveguides were best formed with circularly polarized light having a… CONTINUE READING

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