19th International Workshop on Low Temperature Detectors Program version 1.24 - Japanese Standard Time 1 Date Time Session Monday 19 July 22:00 - 22:15 Introduction and Welcome 22:15 - 23:15 Oral O1: Devices 1 23:15 - 23:25 Break 23:25 - 00:55 Oral O1: Devices 1 (continued) 00:55 - 01:05 Break 01:05 - 02:00 Poster P1: MKIDs and TESs 1 Tuesday 20 July 22:00 - 23:15 Oral O2: Cold Readout 23:15 - 23:25 Break 23:25 - 00:55 Oral O2: Cold Readout (continued) 00:55 - 01:05 Break 01:05 - 02:30 Poster P2: Readout, Other Devices, Supporting Science 1 04:00 - 05:00 Virtual Tour of NIST Quantum Sensor Group Labs Wednesday 21 July 22:00 - 23:15 Oral O3: Instruments 23:15 - 23:25 Break 23:25 - 00:55 Oral O3: Instruments (continued) 00:55 - 01:05 Break 01:05 - 02:30 Poster P3: Instruments, Astrophysics and Cosmology 1 02:00 - 03:00 Vendor Exhibitor Hour Thursday 22 July 22:00 - 23:15 Oral O4A: Rare Events 1 Oral O4B: Material Analysis, Metrology, Other 23:15 - 23:25 Break 23:25 - 00:55 Oral O4A: Rare Events 1 (continued) Oral O4B: Material Analysis, Metrology, Other (continued) 00:55 - 01:05 Break 01:05 - 02:30 Poster P4: Rare Events, Materials Analysis, Metrology, Other Applications 04:00 - 05:00 Virtual Tour of NIST Cleanoom Tuesday 27 July 07:00 - 08:15 Oral O5: Devices 2 08:15 - 08:25 Break 08:25 - 09:55 Oral O5: Devices 2 (continued) 09:55 - 10:05 Break 10:05 - 11:30 Poster P5: MMCs, SNSPDs, more TESs Wednesday 28 July 07:00 - 08:15 Oral O6: Warm Readout and Supporting Science 08:15 - 08:25 Break 08:25 - 09:55 Oral O6: Warm Readout and Supporting Science (continued) 09:55 - 10:05 Break 10:05 - 11:30 Poster P6: Readout, Other Devices, Supporting Science 2 Thursday 29 July 05:00 - 06:00 Vendor Exhibitor Hour 07:00 - 08:15 Oral O7A: Rare Events 2 Oral O7B: Astrophysics and Cosmology 08:15 - 08:25 Break 08:25 - 09:55 Oral O7A: Rare Events 2 (continued) Oral O7B: Astrophysics and Cosmology (continued) 09:55 - 10:05 Break 10:05 - 11:30 Poster P7: Rare Events, Astrophysics and Cosmology, Instru- ments, more MKIDs Friday 30 July 07:00 - 08:30 Oral O8: Devices 3 08:30 - 08:40 Break 08:40 - 10:25 Oral O8: Devices 3 (continued) 10:25 - 10:35 Break 10:35 - 11:00 Closing and Introduction of LTD20 Hosts 1Other time zones available here 1 LTD19 Program v1.24 Japanese Standard Time Week 1 Day 1 Monday 19 July 22:00 - Tuesday 20 July 02:00 (Japanese Standard Time) Introduction and Welcome: 22:00 - 22:15 (Conference webpage) Oral O1: Devices 1 22:15 - 00:55 (Conference webpage) Session chairs: Mark Croce, Los Alamos National Laboratory Ben Mates, National Institute of Standards and Technology 1. 22:15 “Microwave Kinetic Inductance Detectors – detector physics and recent developments” (Invited) Pieter de Visser - SRON 2. 22:45 “Subgap kinetic inductance detector sensitive to 85-GHz radiation” Florence Levy-Bertrand - Institut Néel, Grenoble (France) 3. 23:00 “Strong Generation-Recombination Noise Reduction in Hybrid NbTiN-Al MKIDs” Steven de Rooij - SRON, Netherlands Institute for Space Research Break: 23:15 - 23:25 (10 minutes) 4. 23:25 “Bolometer operating at the threshold for circuit quantum electrodynamics [Nature 586, 47 (2020)]” Mikko Möttönen - Aalto University 5. 23:40 “Modeling of superconductor-ferromagnet thermoelectric detector for X-ray detection” Zhuoran Geng - Nanoscience Center, University of Jyväskylä 6. 23:55 “Transition-Edge Sensors for low-energy electron detection” Mauro Rajteri - INRIM 7. 00:10 “Voltage fluctuations in transition edge sensors and other effects from the 70’s” Luciano Gottardi - NWO-I SRON, Netherlands Institute for Space Research 8. 00:25 “Impact of the absorber coupling design for Transition Edge Sensor X-ray Calorimeters” Martin de Wit - Netherlands Institute for Space Research (SRON) 9. 00:40 “Fine optimization of TES microcalorimeter design for the X-IFU instrument on ATHENA” Nicholas Wakeham - University of Maryland Baltimore County / NASA Goddard Space Flight Center Break: 00:55 - 01:05 (10 minutes) Poster P1: MKIDs and TESs 1 01:05 - 02:00 (Conference webpage) 1. “A Far-Infrared TES Bolometer with a Magnetically-Switchable High-Power Mode” Michael Audley - SRON Netherlands Institute for Space Research 2. “A kinetic inductance detectors array design for high background conditions at 150 GHz” Shibo Shu - California Institute of Technology 3. “Characterization of the Superconducting Microwave Properties of Aluminum Manganese” Marharyta Lisovenko - Argonne National Laboratory 4. “Compton spectroscopy measurements at the APS 1-BM beamline using traditional semiconductor and ad- vanced high-energy TES X-ray detectors” Umeshkumar Patel - Argonne National Laboratory 5. “Decoupling of the quasiparticle number and lifetime in titanium nitride resonators” Sunil Golwala - California Institute of Technology 6. “Design and preliminary results of the spectroscopic focal plane for the South Pole Telescope Summertime Line Intensity Mapper” Pete Barry - Argonne National Laboratory 7. “Design of a multi-chroic kinetic inductance detectors array coupled to a hierarchical phased-array antenna” Shibo Shu - California Institute of Technology 8. “Development of a fabrication process for large suspended gold absorbers for TES microcalorimeters” Conjeepuram Ambarish - University of Wisconsin-Madison 9. “Development of a prototype detector for Torio-229 experiment” Mariia Fedkevych - Department of Physics, University of Genoa, Genoa, Italy 10. “Development of high-resolution, large absorber TES microcalorimeters for the soft X-ray range” Felix Jaeckel - University of Wisconsin - Madison 11. “Development of MKIDs for Measurement of the Cosmic Microwave Background with the South Pole Tele- scope” Karia Dibert - The University of Chicago 2 LTD19 Program v1.24 Japanese Standard Time 12. “Energy Calibration of Phonon-Mediated Dark Matter Detectors using MKIDs” Ritoban Basu Thakur - California Institute of Technology 13. “Influence of Width of Ti/Au Transition Edge Sensors” Kenichiro Nagayoshi - NWO-I/SRON Netherlands Institute for Space Research 14. “Investigation of Optical Coupling Performance in LEKIDs Using Superconducting Reflective Plates” Paul Nicaise - GEPI - Observatoire de Paris - CNRS 15. “LiteBIRD Low and Mid-Frequency Detectors: Design and Status” Greg Jaehnig - University of Colorado Boulder 16. “Low stray power cross-coupling between MKIDs, for future focal plane spectrometer arrays” Stephen Yates - SRON, Netherlands Institute for Space Research 17. “Model and measurements of an optical stack for broadband absorption in Optical LEKIDs” Kevin Kouwenhoven - SRON Netherlands Institute for Space Research 18. “Modeling and Optimizing Microwave Kinetic Inductance Detectors for the EXCLAIM Mission” Trevor Oxholm - University of Wisconsin-Madison 19. “Near Infrared and Visible Kinetic Inductance Detectors for SPIAKID” Faouzi Boussaha - GEPI-Observatoire de Paris CNRS UMR8111 20. “On-chip Spectrometers operating at 90GHz” Usasi Chowdhury - Institut Neel, UGA 21. “Optimization of Ti/TiN multilayers for optical to near-IR MKIDs and exploring their commercial foundry potential” Gerhard Ulbricht - Dublin Institute for Advanced Studies 22. “Overcoming the challenges for reproducible fabrication of 15 mK tungsten-based TESs with tunable and predictable Tc” Ahmed Abdelhameed - Max-Planck-Institut für Physik 23. “Phonon-trapping enhanced energy resolution in superconducting single photon detectors” Pieter de Visser - SRON 24. “Progress in the development of Thermal Kinetic Inductance Detectors for X-ray spectroscopy” Marco Faverzani - University and INFN of Milano-Bicocca 25. “Resolving power of visible/near-infrared hybrid NbTiN/b-Ta LEKIDs” Kevin Kouwenhoven - SRON Netherlands Institute for Space Research 26. “Simulation of radiative transfer within X-ray microcalorimeter absorbers.” Maximilian Lorenz - Dr. Karl Remeis-Observatory & ECAP 27. “Simulation of the Cosmic Ray impact on the TES detectors of SPICA/SAFARI” Thijs Stockmans - leiden University 28. “Stability Analysis of SAFARI FDM Readout System” Micha Heilman - Leiden Univeristy/ SRON 29. “SuperSpec Improvements for Future Far-IR Missions” Ryan McGeehan - University of Chicago 30. “Susceptibility study of transition-edge sensor micro-calorimeters for X-ray spectroscopy under frequency- domain multiplexing readout” Davide Vaccaro - SRON 31. “Temperature and current sensitivities of bare Mo/Au Transition-Edge Sensors: size effects” Lourdes Fàbrega - ICMAB-CSIC 32. “Thermal Conductance of Individual Layers on TES Legs” Angelina Harke-Hosemann - National Institute of Standards and Technology; University of Colorado Boulder 33. “TiNx MKIDs from a 3.5M euro UHV state-of-the-art sputter system” Mario De Lucia - Dublin Institute for Advanced Studies 34. “X-ray transition edge sensors as backup option for X-IFU on ATHENA space telescope” Emanuele Taralli - Netherlands Institute for Space Research 3 LTD19 Program v1.24 Japanese Standard Time Week 1 Day 2 Tuesday 20 July 22:00 - Wednesday 21 July 05:00 (Japanese Standard Time) Oral O2: Cold Readout 22:00 - 00:55 (Conference webpage) Session chairs: Randy Doriese, National Institute of Standards and Technology Kelsey Morgan, University of Colorado, Boulder 1. 22:00 “Advances in time-division SQUID multiplexing for TES X-ray-microcalorimeter arrays” (Invited) Malcolm Durkin - University of Colorado 2. 22:30 “BICEP Array: 150 GHz detector module development” Alessandro Schillaci - California Institute of Technology 3. 22:45 “The Simons Observatory microwave SQUID multiplexing detector module design” Heather McCarrick - Princeton 4. 23:00 “Demonstration