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Long aliphatic chain coated rare-earth nanocrystal as polymer-based optical waveguide amplifiers

  • Ka Long Lei
  • , Cheuk Fai Chow
  • , Kwok Chu Tsang
  • , Elva N.Y. Lei
  • , V. A.L. Roy*
  • , Michael H.W. Lam
  • , C. S. Lee
  • , E. Y.B. Pun
  • , Jensen Li
  • *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

Oleic acid-coated erbium-ytterbium co-doped NaYF4 nanocrystals, NaY78%F4 : Yb20%Er2%, have been synthesized. The cubic nanocrystals were of an average size of 10 nm. The nanocrystals showed excellent redispersibility in common organic solvents and the KMBR® polymer matrix. An optical waveguide amplifier was fabricated by doping 0.1 wt% of the nanocrytals into the KMPR® polymeric host. At a small input signal power of 150 nW and a pump power of 150 mW, an optical gain of 4.81 dB cm-1 at 1535 nm was achieved.

源语言英语
页(从-至)7526-7529
页数4
期刊Journal of Materials Chemistry
20
35
DOI
出版状态已出版 - 24 8月 2010
已对外发布

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