Thermal poling of multi-wire array optical fiber

We demonstrate in this paper thermal poling of multi-wire array fibers, which extends poling of fibers with two anodes to ~50 and ~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 t...

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Bibliographic Details
Published in:Optics express 2018-01, Vol.26 (2), p.674-679
Main Authors: Huang, Lin, An, Honglin, Hayashi, Juliano G, Ren, Guobin, Stefani, Alessio, Fleming, Simon
Format: Article
Language:English
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Summary:We demonstrate in this paper thermal poling of multi-wire array fibers, which extends poling of fibers with two anodes to ~50 and ~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 ~50 anode array fiber with poling of 1.8kV, 250°C and 30min duration, and the outer rings of the ~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.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.26.000674