Two-stage SQUID amplifier for the frequency multiplexed readout of the X-IFU x-ray camera

Mikko Kiviranta; Leif Grönberg; Tuomas Puranen; Jan Van der Kuur; Nikolai Beev; Jaakko Salonen; Dibyendu Hazra; Seppo Korpela

doi:10.1109/TASC.2021.3060356

Two-stage SQUID amplifier for the frequency multiplexed readout of the X-IFU x-ray camera

Mikko Kiviranta, Leif Grönberg, Tuomas Puranen, Jan Van der Kuur, Nikolai Beev, Jaakko Salonen, Dibyendu Hazra, Seppo Korpela

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Abstract

The X-ray Integral Field Unit (X-IFU) is a cryogenic X-ray camera intended for the ATHENA space observatory. Its focal plane will contain a kilopixel array of Transition Edge Sensors (TESs), originally intended to be read out by a Frequency Do-main Multiplexer involving 40 carrier frequencies in the 1-5 MHz range per readout channel. We review dimensioning prin-ciples and fabrication of a SQUID tandem, operating at 50 mK and 2 K temperatures, intended to amplify the multiplexed sig-nal from the TES array. The first measurements indicate a 40 coupled energy resolution in the relevant frequency band, and sufficient linearity to reach the required 1% total harmonic dis-tortion. Additionally, we describe the non-multiplexed amplifier SQUID for the X-IFU anti-coincidence detector.

Original language	English
Article number	9357957
Number of pages	5
Journal	IEEE Transactions on Applied Superconductivity
Volume	31
Issue number	5
DOIs	https://doi.org/10.1109/TASC.2021.3060356
Publication status	Published - Aug 2021
MoE publication type	A1 Journal article-refereed

Keywords

Fabrication
Frequency division multiplexing
Gold
Inductance
Iron
Josephson device fabrication
Multiplexing
SQUID designs and applications
SQUIDs
Transition-edge sensors (TES) devices
Wiring

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Kiviranta_Wk2EOr5A-04_fdm_tandem_GREENAccepted author manuscript, 266 KB

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title = "Two-stage SQUID amplifier for the frequency multiplexed readout of the X-IFU x-ray camera",

abstract = "The X-ray Integral Field Unit (X-IFU) is a cryogenic X-ray camera intended for the ATHENA space observatory. Its focal plane will contain a kilopixel array of Transition Edge Sensors (TESs), originally intended to be read out by a Frequency Do-main Multiplexer involving 40 carrier frequencies in the 1-5 MHz range per readout channel. We review dimensioning prin-ciples and fabrication of a SQUID tandem, operating at 50 mK and 2 K temperatures, intended to amplify the multiplexed sig-nal from the TES array. The first measurements indicate a 40 coupled energy resolution in the relevant frequency band, and sufficient linearity to reach the required 1% total harmonic dis-tortion. Additionally, we describe the non-multiplexed amplifier SQUID for the X-IFU anti-coincidence detector.",

keywords = "Fabrication, Frequency division multiplexing, Gold, Inductance, Iron, Josephson device fabrication, Multiplexing, SQUID designs and applications, SQUIDs, Transition-edge sensors (TES) devices, Wiring",

author = "Mikko Kiviranta and Leif Gr{\"o}nberg and Tuomas Puranen and {Van der Kuur}, Jan and Nikolai Beev and Jaakko Salonen and Dibyendu Hazra and Seppo Korpela",

note = "Funding Information: Manuscript received November 27, 2020; revised January 4, 2021; accepted January 9, 2021. Date of publication February 18, 2021; date of current version March 12, 2021. This work was supported in part by European Space Agency under Contract 4000123669/18/NL/BW, and in part by the Academy of Finland throught the Centre of Excellence for Quantum Technologies, project no. 312059. (Corresponding author: Mikko Kiviranta.) Mikko Kiviranta, Leif Gr{\"o}nberg, Jaakko Salonen, and Dibyendu Hazra are with the VTT Technology Research Centre of Finland, 02150 Espoo, Finland (e-mail: mikko.kiviranta@vtt.fi; leif.gronberg@vtt.fi; dibyendu.hazra@vtt.fi). Publisher Copyright: {\textcopyright} 2002-2011 IEEE. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",

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AU - Puranen, Tuomas

AU - Van der Kuur, Jan

AU - Beev, Nikolai

AU - Salonen, Jaakko

AU - Hazra, Dibyendu

AU - Korpela, Seppo

N1 - Funding Information: Manuscript received November 27, 2020; revised January 4, 2021; accepted January 9, 2021. Date of publication February 18, 2021; date of current version March 12, 2021. This work was supported in part by European Space Agency under Contract 4000123669/18/NL/BW, and in part by the Academy of Finland throught the Centre of Excellence for Quantum Technologies, project no. 312059. (Corresponding author: Mikko Kiviranta.) Mikko Kiviranta, Leif Grönberg, Jaakko Salonen, and Dibyendu Hazra are with the VTT Technology Research Centre of Finland, 02150 Espoo, Finland (e-mail: mikko.kiviranta@vtt.fi; leif.gronberg@vtt.fi; dibyendu.hazra@vtt.fi). Publisher Copyright: © 2002-2011 IEEE. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/8

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N2 - The X-ray Integral Field Unit (X-IFU) is a cryogenic X-ray camera intended for the ATHENA space observatory. Its focal plane will contain a kilopixel array of Transition Edge Sensors (TESs), originally intended to be read out by a Frequency Do-main Multiplexer involving 40 carrier frequencies in the 1-5 MHz range per readout channel. We review dimensioning prin-ciples and fabrication of a SQUID tandem, operating at 50 mK and 2 K temperatures, intended to amplify the multiplexed sig-nal from the TES array. The first measurements indicate a 40 coupled energy resolution in the relevant frequency band, and sufficient linearity to reach the required 1% total harmonic dis-tortion. Additionally, we describe the non-multiplexed amplifier SQUID for the X-IFU anti-coincidence detector.

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KW - Fabrication

KW - Frequency division multiplexing

KW - Gold

KW - Inductance

KW - Iron

KW - Josephson device fabrication

KW - Multiplexing

KW - SQUID designs and applications

KW - SQUIDs

KW - Transition-edge sensors (TES) devices

KW - Wiring

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SN - 1051-8223

VL - 31

JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

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M1 - 9357957

ER -

Two-stage SQUID amplifier for the frequency multiplexed readout of the X-IFU x-ray camera

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Keywords

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