Two-Tone spectroscopy of high-frequency quantum circuits with a Josephson emitter

A. Peugeot; H. Riechert; S. Annabi; L. Balembois; M. Villiers; E. Flurin; J. Griesmar; E. Arrighi; J. D. Pillet; L. Bretheau

doi:10.1103/PhysRevApplied.22.064027

Two-Tone spectroscopy of high-frequency quantum circuits with a Josephson emitter

A. Peugeot
, H. Riechert
, S. Annabi
, L. Balembois
, M. Villiers
, E. Flurin
, J. Griesmar
, E. Arrighi
, J. D. Pillet
, L. Bretheau

Université Paris-Saclay
Center for Atomic-scale Materials Physics (CAMP)

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We perform two-Tone spectroscopy on quantum circuits, where high-frequency radiation is generated by a voltage-biased superconductor-normal-superconductor Josephson junction and detection is carried out by an ancillary microwave resonator. We implement this protocol on two different systems, a transmon qubit and a λ/4 resonator. We demonstrate that this two-Tone Josephson spectroscopy operates well into the millimeter-wave band, reaching frequencies larger than 80 GHz, and is well suited for probing highly coherent quantum systems.

Original language	English
Article number	064027
Journal	Physical Review Applied
Volume	22
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevApplied.22.064027
Publication status	Published - 1 Dec 2024

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10.1103/PhysRevApplied.22.064027

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title = "Two-Tone spectroscopy of high-frequency quantum circuits with a Josephson emitter",

abstract = "We perform two-Tone spectroscopy on quantum circuits, where high-frequency radiation is generated by a voltage-biased superconductor-normal-superconductor Josephson junction and detection is carried out by an ancillary microwave resonator. We implement this protocol on two different systems, a transmon qubit and a λ/4 resonator. We demonstrate that this two-Tone Josephson spectroscopy operates well into the millimeter-wave band, reaching frequencies larger than 80 GHz, and is well suited for probing highly coherent quantum systems.",

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AU - Peugeot, A.

AU - Riechert, H.

AU - Annabi, S.

AU - Balembois, L.

AU - Villiers, M.

AU - Flurin, E.

AU - Griesmar, J.

AU - Arrighi, E.

AU - Pillet, J. D.

AU - Bretheau, L.

PY - 2024/12/1

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N2 - We perform two-Tone spectroscopy on quantum circuits, where high-frequency radiation is generated by a voltage-biased superconductor-normal-superconductor Josephson junction and detection is carried out by an ancillary microwave resonator. We implement this protocol on two different systems, a transmon qubit and a λ/4 resonator. We demonstrate that this two-Tone Josephson spectroscopy operates well into the millimeter-wave band, reaching frequencies larger than 80 GHz, and is well suited for probing highly coherent quantum systems.

AB - We perform two-Tone spectroscopy on quantum circuits, where high-frequency radiation is generated by a voltage-biased superconductor-normal-superconductor Josephson junction and detection is carried out by an ancillary microwave resonator. We implement this protocol on two different systems, a transmon qubit and a λ/4 resonator. We demonstrate that this two-Tone Josephson spectroscopy operates well into the millimeter-wave band, reaching frequencies larger than 80 GHz, and is well suited for probing highly coherent quantum systems.

U2 - 10.1103/PhysRevApplied.22.064027

DO - 10.1103/PhysRevApplied.22.064027

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VL - 22

JO - Physical Review Applied

JF - Physical Review Applied

IS - 6

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Two-Tone spectroscopy of high-frequency quantum circuits with a Josephson emitter

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