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Solid State Communications

Optical bistability and hysteresis in a two-dimensional periodic structure fabricated in Fe doped LiNbO3

Z.L. Wang, Jun Wu, Zhenghao Yang, Yong‐yuan Zhu, N. B. Ming

Published Jun 1, 1996• 5 citations
Publisher
DOI
10.1016/0038-1098(96)00152-4

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Optical bistability in a two-dimensional nonlinear superlattice, resulting from the index-modulation mechanism, was observed in experiment for the first time. The two-dimensional nonlinear superlattice was constructed by recording a two-dimensional refractive index grating into a photorefractive material, a Fe-doped LiNbO3{\mathrm{LiNbO}}_{3}LiNbO3​ single crystal. Optical instability was also observed in this experiment.