Ultra-low-loss nanofiber Fabry–Perot cavities optimized for cavity quantum electrodynamics

Ultra-low-loss nanofiber Fabry–Perot cavities optimized for cavity quantum electrodynamics

We demonstrate the fabrication of ultra-low-loss, all-fiber Fabry–Perot cavities that contain a nanofiber section, optimized for cavity quantum electrodynamics. By continuously monitoring the finesse and fiber radius during the fabrication of a nanofiber between two fiber Bragg gratings, we were abl...

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Veröffentlicht in:Optics letters 2020-09, Vol.45 (17), p.4875-4878
Hauptverfasser: Ruddell, S. K., Webb, K. E., Takahata, M., Kato, S., Aoki, T.
Format: Artikel
Sprache:eng
Schlagworte:
Bragg gratings
Cesium
Continuous fiber composites
Fabry-Perot interferometers
Holes
Nanofibers
Quantum electrodynamics
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container_end_page 4878
container_issue 17
container_start_page 4875
container_title Optics letters
container_volume 45
creator Ruddell, S. K.
Webb, K. E.
Takahata, M.
Kato, S.
Aoki, T.
description We demonstrate the fabrication of ultra-low-loss, all-fiber Fabry–Perot cavities that contain a nanofiber section, optimized for cavity quantum electrodynamics. By continuously monitoring the finesse and fiber radius during the fabrication of a nanofiber between two fiber Bragg gratings, we were able to precisely evaluate taper transmission as a function of radius. The resulting cavities have an internal round-trip loss of only 0.31% at a nanofiber waist radius of 207 nm, with a total finesse of 1380, and a maximum expected internal cooperativity of ∼ 1050 for a cesium atom on the nanofiber surface. Our ability to fabricate such high-finesse nanofiber cavities may open the door for the realization of high-fidelity scalable quantum networks.
doi_str_mv 10.1364/OL.396725
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subjects Bragg gratings
Cesium
Continuous fiber composites
Fabry-Perot interferometers
Holes
Nanofibers
Quantum electrodynamics
title Ultra-low-loss nanofiber Fabry–Perot cavities optimized for cavity quantum electrodynamics
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