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arXiv · 1010.1943

Localization of light on a cone: theoretical evidence and experimental demonstration for an optical fiber

M. Sumetsky
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Abstract

The classical motion at a conical surface is bounded at one (narrower) side of the cone and unbounded at the other. However, it is shown here that a dielectric cone with a small half-angle gamma can perform as a high Q-factor optical microresonator which completely confines light. The theory of the discovered localized conical states is in excellent agreement with experimental data. It provides both a unique approach for extremely accurate local characterization of optical fibers (which usually have gamma ~10^-5 or less) and a new paradigm in the field of high Q-factor resonators.

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M. Sumetsky. 2010-10-21. Localization of light on a cone: theoretical evidence and experimental demonstration for an optical fiber. https://doi.org/10.1364/ol.36.000145

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