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Photonic Quantum Computing Spin Qubits Silicon Quantum Computing

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

arXiv
Authors: Samuel K. Ruddell, Karen E. Webb, Mitsuyoshi Takahata, Shinya Kato, Takao Aoki

Year

2020

Paper ID

21150

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

We demonstrate the fabrication of ultra-low-loss, all-fiber Fabry-Pérot cavities containing a nanofiber section, optimized for cavity quantum electrodynamics. By continuously monitoring the finesse and fiber radius during fabrication of a nanofiber between two fiber Bragg gratings, we are 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 sim 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.

Why This Paper Matters

  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2020 reference point for readers tracking recent quantum research.
  • We demonstrate the fabrication of ultra-low-loss, all-fiber Fabry-Pérot cavities containing a nanofiber section, optimized for cavity quantum electrodynamics.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.12374 [2] arXiv https://arxiv.org/abs/2008.12374 [3] Publisher https://arxiv.org/abs/2008.12374

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