Fabry-Pérot Cavity Formed with Dielectric Metasurfaces in a Hollow-Core Fiber

Abstract

We demonstrate a fiber-integrated Fabry-Pérot cavity formed by attaching a pair of dielectric metasurfaces to the ends of a hollow-core photonic-crystal fiber segment. The metasurfaces consist of perforated membranes designed as photonic-crystal slabs that act as planar mirrors but can potentially allow injection of gases through their holes into the hollow core of the fiber. We have so far observed cavities with finesse of ~11 and Q factors of ~$4.5\times 10^5$, but much higher values should be achievable with improved fabrication procedures. We expect this device to enable development of new fiber lasers, enhanced gas spectroscopy, and studies of fundamental light-matter interactions and nonlinear optics.

arXiv commentACS Photonics (2017)

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Cited by in corpus (5)

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• A fiber Fabry-Perot cavity based spectroscopic gas sensor
• Stopped and stationary light at the single-photon level inside a hollow-core fiber
• Metasurface-controlled holographic microcavities