SQUAT/QPD Measurement Workshop

Name: SQUAT/QPD Measurement Workshop
Start: 2025-10-28T08:00:00-07:00
End: 2025-10-29T17:00:00-07:00
Location: SLAC

28 Oct 2025, 08:00 → 29 Oct 2025, 17:00 America/Los_Angeles

53/1-1350-A - Trinity-A (SLAC)

53/1-1350-A - Trinity-A

SLAC

2575 Sand Hill Road, Menlo Park, CA 94025

Alex Droster (Stanford University), Hannah Magoon (Stanford University), Jenny Smith (SLAC), Noah Kurinsky (SLAC), Shawn Henderson (SLAC), Taylor Aralis (SLAC)

Description

Gathering of qubit-based sensing groups to share information, plan collaboration, and exchange techniques.

Interactive map of workshop locations

Zoom link: click here

Administrative Contact

martha@SLAC.Stanford.EDU

Tuesday 28 October
- Tue 28 Oct
- Wed 29 Oct
- 09:00 → 10:45
  Overview Talks 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Noah Kurinsky (SLAC)
  - 09:00
    
    Welcome Session 15m
    
    Speaker: Noah Kurinsky (SLAC)
    
    Welcome Slides.pdf
  - 09:15
    
    SQUAT Device Overview 30m
    
    Broad overview of detection strategy and project goals
    
    Speaker: Taylor Aralis (SLAC)
    
    SQUATs!
  - 09:45
    
    QPD Device Overview 30m
    
    Broad overview of detection strategy and project goals
    
    Speaker: Brandon Sandoval (Caltech)
    
    Qubit Workshop_ QPD Overview.pdf
  - 10:15
    
    Introduction to Qubit Measurements 30m
    
    Introduce bloch sphere, transmon hamiltonian and charge sensitivity, parity signals
    
    Speaker: Hannah Magoon (Stanford University)
    
    Qubits_Crash_Course
- 10:45 → 11:00
  
  Coffee Break 15m 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
- 11:00 → 12:00
  Device Spin-up Session 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Hannah Magoon (Stanford University)
  - 11:00
    
    SQUAT Characterization 20m
    
    Coherence times, VNA scans, timestreams, power response, temperature response, next steps
    
    Speaker: Alex Droster (Stanford University)
    
    SQUAT characterization; SQUAT workshop.pdf
  - 11:20
    
    QPD Characterization 20m
    
    Basic QPD checkouts, procedure for characterizing new devices
    
    Speaker: Lanqing Yuan (Washington University in St. Louis)
    
    qpd_characterization_20251028.pdf
  - 11:40
    
    SMuRF Readout System 20m
    
    15+5
    Overview of SLAC microresonator RF system
    
    Speakers: Jenny Smith (SLAC), Shawn Henderson (SLAC)
    
    smurf
- 12:00 → 12:15
  Device Environment and Packaging 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Taylor Aralis (SLAC)
  - 12:00
    
    Basic Fridge Wiring 15m
    
    Go over the basic RF setup, so we have a starting point to argue over isolators and filters
    
    Speaker: Taj Dyson (Stanford University)
    
    RF Components (for SQUATs)-1.pdf
- 12:15 → 12:30
  
  Group Photo 15m 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  photo album
- 12:30 → 13:30
  
  Lunch 1h SLAC Cafe
  
  SLAC Cafe
  
  SLAC
  
  SLAC Cafe or Erics or join the group order
- 13:30 → 14:15
  Device Environment and Packaging 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Taylor Aralis (SLAC)
  - 13:30
    
    Packaging for Background Reduction 15m
    
    Discuss housing designs to minimize IR and other backgrounds
    
    Speaker: Yen-Yung Chang (UC Berkeley, Lawrence Berkeley National Laboratory)
    
    background reduction housings
  - 13:45
    
    Packaging Overview + Discussion 15m
    
    An overview of the housings we are currently using with time to discuss people's preferences
    
    Speaker: Aviv Simchony
    
    housings
  - 14:00
    
    Vibration Isolation 15m
    
    Discuss design considerations and effects of vibration isolation on superconducting detectors
    
    Speaker: Sidney Stevens (SLAC)
    
    vib isolation
- 14:15 → 15:45
  Measurement Demo 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Alex Droster (Stanford University)
  - 14:15
    Measurement Demos! 1h 30m
    
    Resonance frequency scan and fits
    
    SMURF datataking procedure, timestreams & fits
    
    Coherence times, etc.
    
    Likely will end early, but we are blocking out extra time if needed!
    
    Speakers: Alex Droster (Stanford University), Hannah Magoon (Stanford University), Jenny Smith (SLAC), Taylor Aralis (SLAC)
    
    https://github.com/DMQIS/SQUAT_Demos/
- 15:45 → 16:00
  
  Snack Break/Walk to B33 15m 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
- 16:00 → 17:00
  
  B33 Open House 1h Building 33
  
  Building 33
  
  SLAC
  
  Split into groups and tour B33, consider:
  OLAF
  BFG
  Bench-top MEMS
  Packaging options
  Vibration isolation
  Shielding cans
  (CMB)
  (NEMO)
  (HVeV)
  (BF5)
  (SMPDs)
  (spin qubits)
  
  Speakers: Hannah Magoon (Stanford University), Noah Kurinsky (SLAC), Shawn Henderson (SLAC), Sidney Stevens (SLAC), Taylor Aralis (SLAC)
- 17:00 → 18:30
  
  Social Hour 1h 30m
Wednesday 29 October
- Tue 28 Oct
- Wed 29 Oct
- 09:00 → 10:45
  Design 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Chiara Salemi (UC Berkeley and LBNL)
  - 09:00
    
    SQUAT Design 15m
    
    10+5 for questions
    
    Speakers: Alain Fauquex (UC Berkeley), Drew Gibson (UC Berkeley)
    
    SQUAT Design.pdf
  - 09:15
    
    QPD Design 15m
    
    10+5 for questions
    
    Speaker: William Ho (Karthik Ramanathan / WashU)
    
    QPD_Design_SLAC_workshop_20251029.pdf
  - 09:30
    
    G4CMP Simulations 20m
    
    15+5 for questions
    
    Speakers: Selby Dang (Stanford/SLAC), Shilin Ray (Caltech)
    
    G4CMP Sims
  - 09:50
    
    Antenna Coupling Simulations 15m
    
    10+5 for questions
    
    Speaker: John Batarekh (University of Wisconsin-Madison)
    
    SQUAT Workshop Antenna Presentation.pdf
  - 10:05
    
    Long-Feedline Designs 15m
    
    10+5 for questions
    
    Speaker: Eric Du (UC Berkeley)
    
    long feedline design
  - 10:20
    
    Open Collaboration Time 25m
    
    Speaker: Chiara Salemi (UC Berkeley and LBNL)
- 10:45 → 11:00
  
  Coffee Break 15m 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
- 11:00 → 12:30
  Fabrication 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Hannah Magoon (Stanford University)
  - 11:00
    
    Berkeley Fab Update 15m
    
    10+5 for questions
    
    Speaker: Yashwanth Balaji (Lawrence Berkeley National Lab)
    
    QPD-SQUAT_Workshop_2025_YB.pdf
  - 11:15
    
    SLAC Fab Update 15m
    
    10+5 for questions
    
    Speaker: Riley Carpenter (SLAC)
    
    SQUAT-QPD-Workshop_SLAC-Fab-Update.pdf
  - 11:30
    
    JPL Fab Update 15m
    
    10+5 for questions
    
    Speaker: Pierre Echternach (Jet Propulsion Laboratory)
    
    SLAC Oct 29 2025 Pierre and Andrew rev0.pdf
  - 11:45
    
    Northwestern Fab Update 15m
    
    10+5 for questions
    
    Speaker: Alejandro Rodriguez (Northwestern University)
    
    FAB@NU Update for SQUAT_QPD Workshop .pptx.pdf
  - 12:00
    
    Open Collaboration Time 30m
    
    Speaker: Hannah Magoon (Stanford University)
- 12:30 → 13:30
  
  Lunch 1h Offsite
  
  Offsite
  
  SLAC
- 13:30 → 15:00
  Calibration 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Kelly Stifter (SLAC)
  - 13:30
    
    MEMS System 15m
    
    10+5 for questions
    
    Speakers: Sidney Stevens (SLAC), Zoe Smith
    
    MEMS
  - 13:45
    
    Terrahertz Calibration 15m
    
    10+5 for questions
    
    Speaker: Emily Perry (Lawrence Berkeley National Laboratory (LBNL))
    
    THz Calibration - SLAC SQUAT QPD Workshop Oct 2025 (1).pdf
  - 14:00
    
    Energy Calibration 15m
    
    10+5 for questions
    
    Speakers: Aditi Pradeep (SLAC), Brian Lenardo (SLAC)
    
    ecal
  - 14:15
    
    Radioactive Sources 15m
    
    10+5 for questions
    
    Speaker: Grace Bratrud (Northwestern University)
    
    SQUAT_workshop_Bratrud.pdf
  - 14:30
    
    Open Collaboration Time 30m
- 15:00 → 15:15
  
  Snack Break 15m 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
- 15:15 → 17:00
  Additional 53/1-1350-A - Trinity-A
  
  53/1-1350-A - Trinity-A
  
  SLAC
  
  2575 Sand Hill Road, Menlo Park, CA 94025
  
  65
  
  Convener: Noah Kurinsky (SLAC)
  - 15:15
    
    KITWPAs 20m
    
    15+5 for questions
    
    Speaker: Farzad Faramarzi (Jet Propulsion Laboratory)
    
    JPL_KITWPA_Faramarzi_SLAC-2025.pdf
  - 15:35
    
    JTWPAs 20m
    
    15+5
    
    Speaker: Jennifer Wang (Massachusetts Institute of Technology)
    
    J.Wang_SQUAT2025.pdf
  - 15:55
    
    Ongoing Collaboration Discussion (When2Meet) 15m
  - 16:45
    
    Workshop Retrospective 15m
    
    Feedback survey!
    
    Workshop Retrospective

SQUAT/QPD Measurement Workshop

53/1-1350-A - Trinity-A

SLAC

53/1-1350-A - Trinity-A

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53/1-1350-A - Trinity-A

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53/1-1350-A - Trinity-A

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53/1-1350-A - Trinity-A

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53/1-1350-A - Trinity-A

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SLAC Cafe

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53/1-1350-A - Trinity-A

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53/1-1350-A - Trinity-A

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53/1-1350-A - Trinity-A

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Building 33

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53/1-1350-A - Trinity-A

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53/1-1350-A - Trinity-A

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Offsite

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53/1-1350-A - Trinity-A

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53/1-1350-A - Trinity-A

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