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arXiv · 1603.02446

Level-crossing and modal structure in microdroplet resonators

Sarah T. Attar·Vladimir Shuvayev·Lev Deych·Leopoldo L. Martin·Tal Carmon
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Abstract

We fabricate a liquid-core liquid-clad microcavity that is coupled to a standard tapered fiber, and then experimentally map the whispering-gallery modes of this droplet resonator. The shape of our resonator is similar to a thin prolate spheroid, which makes space for many high-order transverse modes, suggesting that some of them will share the same resonance frequency. Indeed, we experimentally observe that more than half of the droplet's modes have a sibling having the same frequency (to within linewidth) and therefore exhibiting a standing interference-pattern.

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Sarah T. Attar, Vladimir Shuvayev, Lev Deych, Leopoldo L. Martin, Tal Carmon. 2016-03-08. Level-crossing and modal structure in microdroplet resonators. https://doi.org/10.1364/oe.24.013134

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