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Ion-exchanged Fe doped KTiOPO4 optical waveguides

  • E. Y.B. Pun*
  • , L. P. Shi
  • , P. S. Chung
  • *此作品的通讯作者
  • City University of Hong Kong

科研成果: 期刊稿件文章同行评审

摘要

Planar and channel waveguides were fabricated in Fe doped KTiOPO4 (KTP) using the Rb+:K+ ion-exchange process. These waveguides were characterized optically. It was found that the index change is smaller than that obtained using undoped KTP substrates. However, the diffusion depth is larger. The Fe ions appear to be an effective means to modify the properties of ion-exchanged KTP waveguides. The photorefractive effect (PRE) in Fe doped KTP channel waveguides was also investigated at wavelengths of 0.543, 0.6328, and 0.83 μm. PRE was not observed, indicating that unlike that in LiNbO3 or KNbO3, Fe ion is not a major contributing factor in KTP.

源语言英语
页(从-至)3118-3120
页数3
期刊Journal of Applied Physics
80
5
DOI
出版状态已出版 - 1 9月 1996
已对外发布

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