Direct injection in organic SU8 nanowires and nanotubes for waveguiding properties investigation

J. Bigeon; N. Huby; Jean-Luc Duvail; Bruno Bêche

doi:10.1117/12.2052517

2 May 2014 Direct injection in organic SU8 nanowires and nanotubes for waveguiding properties investigation

J. Bigeon, N. Huby, Jean-Luc Duvail, Bruno Bêche

Proceedings Volume 9126, Nanophotonics V; 91263B (2014) https://doi.org/10.1117/12.2052517
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

We report photonic concepts related to injection and sub-wavelength propagation in nanofibers (nanowires and nanotubes). These nanostructures are fabricated by the wetting template method leading to aspect ratio of over 250. At first, injection into nanowires and nanotubes of SU8, a photoresist used for integrated photonics, was successfully achieved by using polymer microlensed fibers with sub-micronic radius of curvature. Theoret- ical simulation by finite domain time-dependent (FDTD) method was used to determine the sub-wavelength propagation for nanowires and nanotubes and corroborate this coupling phenomena. The original confinement of energy density into SU8 nanotubes is highlighted. Finally, characterisation of propagation losses is reported by using a cut-back method transposed to such nanotubes and determined to range between 1 and 2 dB/mm. Both injection and cut-back method developed here are compatible with any sub-micronic structures. This work on SU8 nanofibers suggests broader perspectives for future nanophotonics.

Citation Download Citation

J. Bigeon, N. Huby, Jean-Luc Duvail, and Bruno Bêche "Direct injection in organic SU8 nanowires and nanotubes for waveguiding properties investigation", Proc. SPIE 9126, Nanophotonics V, 91263B (2 May 2014); https://doi.org/10.1117/12.2052517

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