Thermal poling of multi-wire array optical fiber

Lin Huang, Honglin An, Juliano G. Hayashi, Guobin Ren, Alessio Stefani, Simon Fleming*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

We demonstrate in this paper thermal poling of multi-wire array fibers, which extends poling of fibers with two anodes to similar to 50 and similar to 500 wire array anodes. The second harmonic microscopy observations show that second order nonlinearity (SON) layers are developed surrounding all the rings of wires in the similar to 50 anode array fiber with poling of 1.8kV, 250 degrees C and 30min duration, and the outer rings of the similar to 500 anode array fiber at lower poling temperature. Our simulations based on a two-dimensional charge dynamics model confirm this can be explained by the self-adjustment mechanism, and show the SON layers are induced from the outer rings to the inner rings.
Original languageEnglish
JournalOptics Express
Volume26
Issue number2
Pages (from-to)674-679
ISSN1094-4087
DOIs
Publication statusPublished - 2018

Keywords

  • Metal Forming
  • Electron Tubes
  • Fiber Optics
  • Anodes
  • Electrodes
  • Optical fibers
  • Wire
  • Charge dynamics
  • Multi-wire array
  • Poling temperatures
  • Second-harmonic microscopy
  • Second-order nonlinearity
  • Self adjustment
  • Thermal poling
  • Wire arrays
  • Fibers
  • Atomic and Molecular Physics, and Optics

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