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

S. K. Ruddell, K. E. Webb, M. Takahata, S. Kato, T. Aoki*

*この研究の対応する著者

研究成果: Article査読

5 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)4875-4878
ページ数4
ジャーナルOptics Letters
45
17
DOI
出版ステータスPublished - 2020 9月 1

ASJC Scopus subject areas

  • 原子分子物理学および光学

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