Mikhail Sumetsky, Aston University, UK
This review considers propagation of whispering gallery modes along the fiber surface. At resonance conditions, the axial speed of these modes is so slow that they can be governed by extremely small nanoscale changes of the optical fiber radius. This phenomenon is exploited in SNAP (surface nanoscale axial photonics), a new platform for fabrication of miniature super-low-loss photonic integrated circuits with unprecedented sub-angstrom precision. The SNAP theory and applications are overviewed.
Prof. Mikhail Sumetsky
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