The new manufacturing method for fabrication of Surface Nanoscale Axial Photonics (SNAP) structures has been developed. We showed experimentally that the bent fiber can achieve the nanometer-scale variation in the effective fiber radius sufficient for fabrication of SNAP microresonators. The advantage of the demonstrated method is in its simplicity, robustness, and mechanical tunability of the fabricated devices.
D. Bochek, N. A. Toropov, Z. Han, I. Vatnik, and M. Sumetsky, "Surface nanoscale axial photonics structures introduced by bending of optical fibers," Proc. SPIE 10681, Micro-Structured and Specialty Optical Fibres V, 106810F (Presented at SPIE Photonics Europe: April 25, 2018; Published: 9 May 2018); https://doi.org/10.1117/12.2306949.
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