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Localization and Threshold of Bistable Switching by Gap-Edge Shifting

  • Harbin Institute of Technology
  • Research Institute of Industrial Science & Technology, Pohang

Research output: Contribution to journalArticlepeer-review

Abstract

We numerically investigate the localization, behaviour of light propagation in a one-dimensional nonlinear photonic crystal (1D-NPC). It is found that the localization of a high gap-edge mode is better than that of a low one, so that the switching threshold of the 1D-NPC with plus Kerr L-layers is much lower than that with minus Kerr H-layers. For a structure of 16 periods, the threshold of the structure with nonlinear L-layers is about 1/10 of that with nonlinear H-layers in the same level of nonlinear refractive coefficient.

Original languageEnglish
Pages (from-to)1514-1516
Number of pages3
JournalChinese Physics Letters
Volume20
Issue number9
DOIs
StatePublished - Sep 2003

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