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Modal analysis of the ultrahigh finesse Haroche QED cavity

Marsic, Nicolas ; De Gersem, Herbert ; Demésy, Guillaume ; Nicolet, André ; Geuzaine, Christophe (2023)
Modal analysis of the ultrahigh finesse Haroche QED cavity.
In: New Journal of Physics, 2018, 20 (4)
doi: 10.26083/tuprints-00020602
Article, Secondary publication, Publisher's Version

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Item Type: Article
Type of entry: Secondary publication
Title: Modal analysis of the ultrahigh finesse Haroche QED cavity
Language: English
Date: 5 December 2023
Place of Publication: Darmstadt
Year of primary publication: 27 April 2018
Place of primary publication: London
Publisher: IOP Publishing
Journal or Publication Title: New Journal of Physics
Volume of the journal: 20
Issue Number: 4
Collation: 17 Seiten
DOI: 10.26083/tuprints-00020602
Corresponding Links:
Origin: Secondary publication DeepGreen

In this paper, we study a high-order finite element approach to simulate an ultrahigh finesse Fabry–Pérot superconducting open resonator for cavity quantum electrodynamics. Because of its high quality factor, finding a numerically converged value of the damping time requires an extremely high spatial resolution. Therefore, the use of high-order simulation techniques appears appropriate. This paper considers idealized mirrors (no surface roughness and perfect geometry, just to cite a few hypotheses), and shows that under these assumptions, a damping time much higher than what is available in experimental measurements could be achieved. In addition, this work shows that both high-order discretizations of the governing equations and high-order representations of the curved geometry are mandatory for the computation of the damping time of such cavities.

Uncontrolled Keywords: electromagnetism, perfectly matched layer, modal analysis, quasinormal modes, leaky modes, cavity quantum electrodynamics, high performance computing
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-206028
Classification DDC: 600 Technology, medicine, applied sciences > 621.3 Electrical engineering, electronics
Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Accelerator Science and Electromagnetic Fields > Electromagnetic Field Theory (until 31.12.2018 Computational Electromagnetics Laboratory)
Date Deposited: 05 Dec 2023 10:04
Last Modified: 08 Dec 2023 07:37
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/20602
PPN: 513776419
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