Transition from bright to dark, and from discrete to gap spatial solitons by varying optical beam orientation

@article{Zhang2008TransitionFB,
  title={Transition from bright to dark, and from discrete to gap spatial solitons by varying optical beam orientation},
  author={Peng Zhang and J. G. Zhao and Sheng Liu and Yuhan Gao and Cibo Lou and Jingjun Xu and Zhigang Chen},
  journal={2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science},
  year={2008},
  pages={1-2}
}
We show that a nonconventionally biased photorefractive crystal can support one-dimensional spatial solitons. Transition from bright to dark, and from discrete to gap solitons is realized for the first time by varying optical beam orientation.