Rolled-up TiO2 microtubes for photonics applications

Silvia Giudicatti; Sonja M. Marz; Stefan Böttner; Barbara Eichler; Matthew R. Jorgensen; Oliver G. Schmidt

doi:10.1117/12.2054636

2 May 2014 Rolled-up TiO₂ microtubes for photonics applications

Silvia Giudicatti, Sonja M. Marz, Stefan Böttner, Barbara Eichler, Matthew R. Jorgensen, Oliver G. Schmidt

Proceedings Volume 9127, Photonic Crystal Materials and Devices XI; 912706 (2014) https://doi.org/10.1117/12.2054636
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

The properties of titania (TiO₂ ) are explored within the context of rolled-up nanotechnology, with particular attention to possible photonics applications. We show how the morphology of titania microtubes, as well as the TiO₂ phase and refractive index, can be controlled by properly tuning the microfabrication parameters. High refractive index TiO₂ tubes are proven to work as microresonators. The possibility of combining the rolling technique with an adequate prepatterning of the titania membrane could pave the way for the fabrication of a rolled-up diamond-like photonic crystal operating at visible frequencies, as substantiated by theory.

Citation Download Citation

Silvia Giudicatti, Sonja M. Marz, Stefan Böttner, Barbara Eichler, Matthew R. Jorgensen, and Oliver G. Schmidt "Rolled-up TiO₂ microtubes for photonics applications", Proc. SPIE 9127, Photonic Crystal Materials and Devices XI, 912706 (2 May 2014); https://doi.org/10.1117/12.2054636

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