Multimaterial fiber nanomanufacturing: from photodetectors to nonlinear light sources

Gholipour, B., Nguyen, D.M., Long, C., Nalla, V., Bastock, P., Khan, K., Craig, C., Hewak, D.W., Zheludev, N.I. and Soci, C. (2014) Multimaterial fiber nanomanufacturing: from photodetectors to nonlinear light sources. SPIE Photonics North, Montréal, Canada. 27 - 29 May 2014.

Abstract

Optical fibers have been realized in a wide range of functional optical and electronic materials including amorphous, crystalline and semiconducting compounds. There is now a drive to use such a mature technology for mass manufacturing of multimaterial micro- and nano-structures. We will discuss how this can be achieved by conventional fibre drawing techniques (including multiple stack and redraw), or via a new fabrication method that takes advantage of planar nanofabrication processes adding freedom to the design of microstructured fibre composition and geometry. We show examples of semiconducting chalcogenide microfibers and high aspect ratio metallic nanowire embedded in a glass matrix fabricated through these methods. We demonstrate the relevance of these novel materials and structures in nonlinear optics and nanophotonics through examples of fiberized photodetectors and neuromorphic chalcogenide microfibers of the alloy gallium lanthanum oxysulphide (GLSO). Finally, we present recent results on the use of metal nanowire embedded in silicate microfiber for plasmonic-enabled broadband, collimated light emission.

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Contributors

Author: C. Craig

Author: D.W. Hewak

Author: N.I. Zheludev

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