Name: SII Workshop 2026
Start: 2026-10-05T09:00:00+01:00
End: 2026-10-09T18:00:00+01:00
Location: No location set

Monday, October 5, 2026

4:00 PM Registration and welcome
Registration and welcome
4:00 PM - 6:00 PM
Tuesday, October 6, 2026
9:30 AM Welcome and SII context
Welcome and SII context
9:30 AM - 11:00 AM
Contributions

9:30 AM Welcome from LOC and SOC - Irene Jiménez Martínez (MPI) Robin Kaiser Tarek Hassan Collado (CIEMAT)

9:45 AM Invited talk: Intensity Interferometry – its past and its future - Dainis Dravins (Lund Observatory, Lund University)

10:30 AM The VERITAS Stellar Intensity Interferometer survey of Northern Hemisphere OBA Stars - DAVID KIEDA (University of Utah)
11:00 AM Coffee break
Coffee break
11:00 AM - 11:30 AM
11:30 AM Current and planned IACT facilities
Current and planned IACT facilities
11:30 AM - 1:00 PM
Contributions

11:30 AM Resolving massive stars with the MAGIC+LST-1 stellar intensity interferometer: status and future plans - Diego Cuenda Muñoz (CIEMAT)

12:00 PM The Stellar Intensity Interferometry Instrument for the ASTRI Mini-Array: from design to integration and on-sky testing - Luca Zampieri (INAF-Astronomical Observatory of Padova)

12:30 PM Intensity interferometry observations of stars with sub-100 ps photodetectors and individual mirror facets in MAGIC - Fernando Frías García-Lago (Instituto de Astrofísica de Canarias (IAC))
1:00 PM Lunch Break
Lunch Break
1:00 PM - 2:30 PM
2:30 PM Science proposed for II
Science proposed for II
2:30 PM - 4:00 PM
Contributions

2:30 PM Towards resolving micro-image swarms in gravitational lensing - Prasenjit Saha (University of Zurich)

2:55 PM From Hubble to Quantum Gravity: Proposed Intensity Interferometry for Red Clump Calibration and Detecting Spacetime Foam - Alex Kim (Lawrence Berkeley National Laboratory)

3:20 PM HBT and Binary Stars: Spectral Multiplexing and the Path to Closure Phases - Peter Nugent (LBNL)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
4:30 PM IC4Stars and MAST results
IC4Stars and MAST results
4:30 PM - 6:30 PM
Contributions

4:30 PM Towards the measurement of the size of a White Dwarf star - Federico Izraelevitch-Patitucci (INPHYNI)

5:00 PM Improvement of signal to noise ratio, laboratory and and on-sky testing of new detectors for intensity interferometry - sarah tolila (lab inphyni)

5:25 PM Searching for natural lasing with intensity interferometry - Andreas Zmija

5:50 PM Stellar Intensity Interferometry with the Multi Aperture Spectroscopic Telescope (MAST) Array - Joachim von Zanthier (Universität Erlangen-Nürnberg)
Wednesday, October 7, 2026
9:30 AM Massive stars and fast rotators
Massive stars and fast rotators
9:30 AM - 11:05 AM
Contributions

9:30 AM Invited talk: A Guided Tour through the World of Massive Stars: Exploring Synergies with Stellar Intensity Interferometry - Sergio Simón-Díaz (IAC)

10:15 AM 3D-surface modeling of rapidly rotating stars: spectral synthesis and interferometric synergy with SPAMMS - Daniel Galán Diéguez (Instituto de Astrofísica de Canarias)

10:40 AM Resolving gamma Cassiopeiae with the MAGIC + CTAO LST-1 SII and high-resolution spectra - Irene Jiménez Martínez (MPI)
11:05 AM Coffee break
Coffee break
11:05 AM - 11:35 AM
11:35 AM Results on Binary Systems
Results on Binary Systems
11:35 AM - 12:50 PM
Contributions

11:35 AM SII measurements and modeling of the binary system alpha Virginis (Spica) at VERITAS - Michael Lisa (Ohio State University)

12:00 PM Measuring Stellar Masses, Radii, and Distance of Binary Systems with Modern Stellar Intensity Interferometry - Aramis Raiola (Université de Genève) Aramis Raiola (Université de Genève)

12:25 PM SPH meets SII -- Numerical Hydrodynamic for Close Binary Star System - Km Nitu Rai (ARIES Nainital, India)
12:50 PM Lunch break
Lunch break
12:50 PM - 1:30 PM

1:30 PM

1:30 PM - 7:30 PM
Thursday, October 8, 2026
9:30 AM QUASAR / photon-counting / quantum-assisted methods
QUASAR / photon-counting / quantum-assisted methods
9:30 AM - 11:00 AM
Contributions

9:30 AM QUASAR project: status and progress - Roland Walter (University of Geneva)

10:00 AM QUASAR: wavelength multiplexing testing with SPAD array detectors - Vitalii Sliusar (University of Geneva, Department of Astronomy)

10:25 AM Fast single-photon spectrometer near Heisenberg-Gabor limit for quantum-assisted astrometry - Sergei Kulkov (CTU in Prague)
11:00 AM Coffee break
Coffee break
11:00 AM - 11:30 AM
11:30 AM ASTRI & CTAO
ASTRI & CTAO
11:30 AM - 1:00 PM
Contributions

11:30 AM Integration of the first three Stellar Intensity Interferometry Instruments on the ASTRI Mini-array - Michele Fiori (INAF - Astronomical Observatory of Padova)

11:55 AM Data Analysis and Simulation Framework for the ASTRI Stellar Intensity Interferometry Instrument - Alessia Spolon (Istituto Nazionale di Astrofisica (INAF) - Padova)

12:20 PM Stellar Intensity Interferometry with the CTAO - Jonathan Biteau (Université Paris-Saclay, CNRS/IN2P3, IJCLab)
1:00 PM Lunch break
Lunch break
1:00 PM - 2:30 PM
2:30 PM Reconstruction methods and lab results
Reconstruction methods and lab results
2:30 PM - 4:00 PM
Contributions

2:30 PM Bayesian image reconstruction for stellar intensity interferometry - Neal Dalal (Perimeter Institute for Theoretical Physics)

2:55 PM Complex geometry intensity interferometry in the laboratory - Christopher Ingenhütt

3:20 PM An Enhanced Near‑infrared Heterodyne Interferometry Testbed - Derek Strom (Max Planck Institute for Physics)
4:00 PM Coffee break
Coffee break
4:00 PM - 4:30 PM
4:30 PM Hardware lab results
Hardware lab results
4:30 PM - 6:00 PM
Contributions

4:30 PM Recent Advances in Multi-Pixel SNSPD Systems for Stellar Intensity Interferometry - Francesco Colangelo (University of Salerno)

4:55 PM IDROGEN-board application to intensity interferometry - Daniel Charlet (Université Paris-Saclay, CNRS/IN2P3, IJCLab) Jonathan Biteau (Université Paris-Saclay, CNRS/IN2P3, IJCLab)

5:20 PM Multiplexing heterodyne interferometry with telecom fibers and ultrafast technologies in the H-band - Félix Gudin (Institut de Physique de Nice (INPHYNI), Université Côte d’Azur, CNRS, Nice, France)
6:00 PM Group picture!
Group picture!
6:00 PM - 6:20 PM

7:30 PM Dinner!
Dinner!
7:30 PM - 10:30 PM
Friday, October 9, 2026
9:30 AM Incoming II facilities
Incoming II facilities
9:30 AM - 11:00 AM
Contributions

9:30 AM EON, A Pathfinder Towards Kilometer-Scale Intensity Interferometry - Thomas Schweizer (MPI)

10:00 AM The La Palma Quantum Interferometer (LPQI): the next frontier for microarcsecond resolution in optical astronomy - Francisco Prada (Instituto de Astrofísica de Andalucía CSIC & Instituto de Astrofísica de Canarias)

10:25 AM ESO strategy and proposal(s)
11:00 AM Coffee break
Coffee break
11:00 AM - 11:30 AM
11:30 AM Planning for the future
Planning for the future
11:30 AM - 1:00 PM
Contributions

11:30 AM Next SII Workshop proposals - DAVID KIEDA (University of Utah)

12:00 PM Available time for discussions