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CPAD 2025 at Penn

7–10 Oct 2025
Inn at Penn, University of Pennsylvania
US/Eastern timezone

CPAD2025Local

Toward a general-purpose ultra-low-external interference quantum device holder

9 Oct 2025, 14:00
20m
Woodlands AB

Woodlands AB
Parallel session talk RDC 7 Low-Background Detectors SHARED SESSION

Speaker

Yen-Yung Chang (Lawrence Berkeley National Laboratory, Department of Physics, University of California, Berkeley)

Description

We have produced a general-purpose ultra-low-external interference quantum device holder suitable for various qubit and quantum sensor platforms. It is a continuation of UCB/LBNL's blackbody radiation (BBR) stub filter flange (SFF) study, in collaboration with nine US institutes to obtain the best available techniques in attempt to optimize every aspect possible. In this presentation, we first introduce the concept of SFF. We explain its theory, working principle, and its criticality that distinguishes our device performance from others. Next, we introduce our approach to integrate SFF with advanced features and techniques available in the collaboration for optimizing magnetism, vibration, quantum platform compatibility, production cost, and cryogenic engineering practicality. Finally, we present preliminary data from various qubit and quantum sensor platforms to demonstrate the promising results of the project.

Authors

Yashwanth Balaji (Lawrence Berkeley National Laboratory) Daniel Baxter (Department of Physics and Astronomy, Northwestern University, Quantum Division, Fermi National Accelerator Laboratory) Rebecca Carney (Lawrence Berkeley National Laboratory) Yen-Yung Chang (Lawrence Berkeley National Laboratory, Department of Physics, University of California, Berkeley) Maurice Garcia-Sciveres (Lawrence Berkeley National Laboratory) Sunil Golwala (Department of Physics, California Institute of Technology) Scott Hertel (Department of Physics, University of Massachusetts-Amherst) Rakshya Khatiwada (Illinois Institute of Technology, Quantum Division, Fermi National Accelerator Laboratory) Holden Kowitt (Department of Physics, University of California, Berkeley) Noah Kurinsky (SLAC National Accelerator Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Stanford University) Xinran Li (Lawrence Berkeley National Laboratory) Daniel Molenaar (Illinois Institute of Technology, Quantum Division, Fermi National Accelerator Laboratory) Matt Pyle (Lawrence Berkeley National Laboratory, Department of Physics, University of California, Berkeley) Karthik Ramanathan (Department of Physics, Washington University in St.~Louis) Shilin Ray (Department of Physics, California Institute of Technology) Yann Sadou (Department of Physics, California Institute of Technology) Chiara Salemi (Lawrence Berkeley National Laboratory, Department of Physics, University of California, Berkeley) Brandon Sandoval (Department of Physics, California Institute of Technology) Adam Schwartzberg (Lawrence Berkeley National Laboratory) Sidney Stevens (SLAC National Accelerator Laboratory) Aritoki Suzuki (Lawrence Berkeley National Laboratory) Ronald Vaughn (Department of Physics, University of Massachusetts-Amherst) Junwen Xiong (Department of Physics, California Institute of Technology)

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