Double-Fourier engineering of Josephson energy-phase relationships applied to diodes

A.M. Bozkurt; Jasper Brookman; Valla  Fatemi; A.R. Akhmerov

doi:10.21468/SciPostPhys.15.5.204

Double-Fourier engineering of Josephson energy-phase relationships applied to diodes

A.M. Bozkurt^*, Jasper Brookman, Valla Fatemi, A.R. Akhmerov

^*Corresponding author for this work

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Abstract

We present a systematic method to design arbitrary energy-phase relations using parallel arms of two series Josephson tunnel junctions each. Our approach employs Fourier engineering in the energy-phase relation of each arm and the position of the arms in real space. We demonstrate our method by engineering the energy-phase relation of a near-ideal superconducting diode, which we find to be robust against the imperfections in the design parameters. Finally, we show the versatility of our approach by designing various other energy-phase relations.

Original language	English
Article number	204
Number of pages	13
Journal	SciPost Physics
Volume	15
Issue number	5
DOIs	https://doi.org/10.21468/SciPostPhys.15.5.204
Publication status	Published - 2023

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10.21468/SciPostPhys.15.5.204

SciPostPhys_15_5_204Final published version, 665 KBLicence: CC BY

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Double-Fourier engineering of Josephson energy-phase relationships applied to diodes

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