A stress-induced source of phonon bursts and quasiparticle poisoning

Robin Anthony-Petersen, Andreas Biekert, Raymond Bunker, Clarence L. Chang, Yen-Yung Chang, Luke Chaplinsky, Eleanor Fascione, Caleb W. Fink, Maurice Garcia-Sciveres, Richard Germond, Wei Guo, Scott A. Hertel, Ziqing Hong, Noah Kurinsky, Xinran Li, Junsong Lin, Marharyta Lisovenko, Rupak Mahapatra, Adam Mayer, Daniel N. McKinsey, Siddhant Mehrotra, Nader Mirabolfathi, Brian Neblosky, William A. Page, Pratyush K. Patel, Bjoern Penning, H. Douglas Pinckney, Mark Platt, Matt Pyle, Maggie Reed, Roger K. Romani (), Hadley Santana Queiroz, Bernard Sadoulet, Bruno Serfass, Ryan Smith, Peter Sorensen, Burkhant Suerfu, Aritoki Suzuki, Ryan Underwood, Vetri Velan, Gensheng Wang, Yue Wang, Samuel L. Watkins, Michael R. Williams, Volodymyr Yefremenko and Jianjie Zhang
Additional contact information
Robin Anthony-Petersen: University of California, Berkeley
Andreas Biekert: University of California, Berkeley
Raymond Bunker: Pacific Northwest National Laboratory
Clarence L. Chang: Argonne National Laboratory
Yen-Yung Chang: University of California, Berkeley
Luke Chaplinsky: University of Massachusetts Amherst
Eleanor Fascione: Queen’s University
Caleb W. Fink: University of California, Berkeley
Maurice Garcia-Sciveres: Lawrence Berkeley National Laboratory
Richard Germond: Queen’s University
Wei Guo: Florida State University
Scott A. Hertel: University of Massachusetts Amherst
Ziqing Hong: University of Toronto
Noah Kurinsky: SLAC National Accelerator Laboratory
Xinran Li: Lawrence Berkeley National Laboratory
Junsong Lin: University of California, Berkeley
Marharyta Lisovenko: Argonne National Laboratory
Rupak Mahapatra: Texas A&M University
Adam Mayer: TRIUMF
Daniel N. McKinsey: University of California, Berkeley
Siddhant Mehrotra: University of California, Berkeley
Nader Mirabolfathi: Texas A&M University
Brian Neblosky: Northwestern University
William A. Page: University of California, Berkeley
Pratyush K. Patel: University of Massachusetts Amherst
Bjoern Penning: University of Zurich
H. Douglas Pinckney: University of Massachusetts Amherst
Mark Platt: Texas A&M University
Matt Pyle: University of California, Berkeley
Maggie Reed: University of California, Berkeley
Roger K. Romani: University of California, Berkeley
Hadley Santana Queiroz: University of California, Berkeley
Bernard Sadoulet: University of California, Berkeley
Bruno Serfass: University of California, Berkeley
Ryan Smith: University of California, Berkeley
Peter Sorensen: Lawrence Berkeley National Laboratory
Burkhant Suerfu: University of California, Berkeley
Aritoki Suzuki: Lawrence Berkeley National Laboratory
Ryan Underwood: Queen’s University
Vetri Velan: University of California, Berkeley
Gensheng Wang: Argonne National Laboratory
Yue Wang: University of California, Berkeley
Samuel L. Watkins: University of California, Berkeley
Michael R. Williams: University of Michigan
Volodymyr Yefremenko: Argonne National Laboratory
Jianjie Zhang: Argonne National Laboratory

Nature Communications, 2024, vol. 15, issue 1, 1-8

Abstract: Abstract The performance of superconducting qubits is degraded by a poorly characterized set of energy sources breaking the Cooper pairs responsible for superconductivity, creating a condition often called “quasiparticle poisoning”. Both superconducting qubits and low threshold dark matter calorimeters have observed excess bursts of quasiparticles or phonons that decrease in rate with time. Here, we show that a silicon crystal glued to its holder exhibits a rate of low-energy phonon events that is more than two orders of magnitude larger than in a functionally identical crystal suspended from its holder in a low-stress state. The excess phonon event rate in the glued crystal decreases with time since cooldown, consistent with a source of phonon bursts which contributes to quasiparticle poisoning in quantum circuits and the low-energy events observed in cryogenic calorimeters. We argue that relaxation of thermally induced stress between the glue and crystal is the source of these events.

Date: 2024
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DOI: 10.1038/s41467-024-50173-8

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