A Microfiber Cavity with Minimal-Volume Confinement

Authors

Ming Ding, University of Southampton
Pengfei Wang, Technological University DublinFollow
Timothy Lee, University of Southampton
Gilberto Brambilla, University of Southampton

Document Type

Article

Rights

Available under a Creative Commons Attribution Non-Commercial Share Alike 4.0 International Licence

Disciplines

Communication engineering and systems

Publication Details

Applied Physics Letters, Vol. 99, 5, 2011, article no. 051105

DOI: 10.1063/1.3621836

Abstract

We demonstrate a type of microcavity with minimal-volume confinement using a high-contrast phase-shifted Bragg grating in a microfiber. While waveguiding by the air-silica boundary provides a diffraction-limited two-dimensional confinement, the grating introduces the third degree of confinement. Theoretical simulations verified the microfiber cavity confinement while the experimental demonstration, carried out in samples nanostructured by focused ion beam, showed a good agreement with theoretical predictions. This cavity can be used for a variety of applications ranging from sensing to quantum dynamic experiments.

DOI

https://doi.org/10.1063/1.3621836

Recommended Citation

Ding, M., Wang, P., Lee, T., Brambilla, G.:A Microfiber Cavity with Minimal-Volume Confinement. Applied Physics Letters, Vol. 99, 5, 2011, article no. 051105. doi:10.1063/1.3621836