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Coupling a Fabry-Pérot Cavity to a Single-Mode Optical Fiber Using a Metalens (2506.03626v1)
Published 4 Jun 2025 in physics.optics
Abstract: Efficient coupling of light from an optical cavity to a single-mode fiber is required in a range of quantum technologies. In this work we consider the coupling of a high-finesse macroscopic Fabry-P\'erot (FP) cavity to a single-mode fiber using a metalens. We perform sensitivity analysis with respect to longitudinal and transverse misalignment errors. We then detail a fiber-coupled cavity at 1650 nm using a monolithic cryo-compatible assembly incorporating a metalens.
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