Unique temperature dependence of selectively liquid-crystal-filled photonic crystal fibers

Bing Sun, Zuxing Zhang, Wei Wei, Chao Wang, Changrui Liao, Lin Zhang, Yiping Wang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate a unique temperature-dependent characteristic of the selectively liquid-crystal-filled photonic crystal fiber, which is realized by a selectively infiltrating liquid crystal into a single air hole located at the second ring near the core of the PCF. Three-resonance dips are observed in the transmission spectrum. Theoretical and experimental investigations reveal that the three-resonance dips all result from the coupling between the LP01 core mode and the rod modes, i.e., LP03 and LP51. Then, we find that the dip shift induced by temperature shows good agreements with the thermo-optic performance of the LC employed. Furthermore, the dips shift greatly with changes in temperature, providing a method to achieve temperature measurement in such a compact structure.

Original languageEnglish
Pages (from-to)1282-1285
Number of pages4
JournalIEEE Photonics Technology Letters
Volume28
Issue number12
Early online date11 Mar 2016
DOIs
Publication statusPublished - 15 Jun 2016

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Keywords

  • fiber optics
  • fiber optics sensors
  • liquid-crystal devices
  • photonic crystal fibers

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