Surface nanoscale axial photonics: Robust fabrication of high quality factor microresonators

Details Surface nanoscale axial photonics: Robust fabrication of high quality factor microresonators Surface nanoscale axial photonics: Robust fabrication of high quality factor microresonators

2011-11-09

arxiv.org/abs/1111.2320v2

Physics

Optics

Scientific paper

Recently introduced Surface Nanoscale Axial Photonics (SNAP) makes it possible to fabricate high Q-factor microresonators and other photonic microdevices by dramatically small deformation of the optical fiber surface. To become a practical and robust technology, the SNAP platform requires methods enabling reproducible modification of the optical fiber radius at nanoscale. In this Letter, we demonstrate super-accurate fabrication of high Q-factor microresonators by nanoscale modification of the optical fiber radius and refractive index using the CO2 laser and the UV excimer laser beam exposures. The achieved fabrication accuracy is better than 2 angstroms in variation of the effective fiber radius.

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