Cross-phase-modulation-induced spectral effects in high-efficiency picosecond fiber optical parametric oscillators.

@article{Gu2011CrossphasemodulationinducedSE,
  title={Cross-phase-modulation-induced spectral effects in high-efficiency picosecond fiber optical parametric oscillators.},
  author={Chenji Gu and Christiane M. Goulart and Jay E. Sharping},
  journal={Optics letters},
  year={2011},
  volume={36 8},
  pages={1488-90}
}
We explore the spectral effects due to cross-phase modulation and walk-off in picosecond fiber optical parametric oscillators. The output spectrum exhibits pump-power-dependent broadening, which can be quite asymmetric associated with a redshift or a blueshift depending on pump synchronization. By slightly increasing the cavity length, one obtains a blueshifted spectrum and a conversion efficiency as high as 15%. 

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