Jonathan Ouellet
Research Physicist at SandboxAQ- Claim this Profile
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Experience
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SandboxAQ
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United States
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Software Development
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100 - 200 Employee
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Research Physicist
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Sep 2023 - Present
Palo Alto, California, United States
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Massachusetts Institute of Technology
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United States
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Higher Education
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700 & Above Employee
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Research Scientist
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Jun 2020 - Sep 2023
Cambridge, Massachusetts, United States Search for Axion Dark Matter (ABRACADABRA/DMRadio) • Lead the design, development and operation of a prototype novel Axion Dark Matter detector • Design simulation and validation in COMSOL • Installation and operation in a dilution refrigeration and operation below 1 K • Built superconducting low-noise SQUID-based readout • Designed and developed data acquisition and hardware feedback software, data ingestion and storage, data architecture • Oversaw project through multiple… Show more Search for Axion Dark Matter (ABRACADABRA/DMRadio) • Lead the design, development and operation of a prototype novel Axion Dark Matter detector • Design simulation and validation in COMSOL • Installation and operation in a dilution refrigeration and operation below 1 K • Built superconducting low-noise SQUID-based readout • Designed and developed data acquisition and hardware feedback software, data ingestion and storage, data architecture • Oversaw project through multiple data taking campaigns and publications Search for Neutrinoless Double Beta Decay (CUORE/CUPID) • Lead developer of the core software infrastructure • Team leader for development of data clustering and selection, model building, and Bayesian estimation • Developing machine learning algorithms for signal discovery • Time stream filtering and state estimation over thousands of detector channels • Oversaw and coordinated all collaboration analysis development
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Postdoctoral Researcher
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Jun 2015 - Jun 2020
Cambridge, Massachusetts, United States
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University of California, Berkeley
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United States
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Higher Education
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700 & Above Employee
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Researcher PhD Candidate
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Sep 2009 - May 2015
Berkeley, California, United States CUORE-0 Search for Neutrinoless Double Beta Decay • Developed high level analysis for final CUORE-0 NDBD result • Developed Bayesian fit framework to perform simultaneous fit across 52 channels to characterize detector performance and extract physics results • Developed multi-channel noise decorrelation and crosstalk characterization and removal • Developed c++ algorithms for time-based signal filtering and feature extraction Development of Superconducting Transition Edge… Show more CUORE-0 Search for Neutrinoless Double Beta Decay • Developed high level analysis for final CUORE-0 NDBD result • Developed Bayesian fit framework to perform simultaneous fit across 52 channels to characterize detector performance and extract physics results • Developed multi-channel noise decorrelation and crosstalk characterization and removal • Developed c++ algorithms for time-based signal filtering and feature extraction Development of Superconducting Transition Edge Sensors • Characterization of Ir/Pt, Ir/Au bilayer superconducting sensors with transition temperatures as low as 20mK Show less
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Education
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University of California, Berkeley
Doctor of Philosophy - PhD, Physics -
University of California, Berkeley
Master of Arts - MA, Physics -
University of California, Berkeley
Bachelor of Arts - BA, Physics