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Stellar Intensity Interferometry Workshop 2025

13–17 Oct 2025
Research Campus Waischenfeld (Germany) of the Fraunhofer Society
Europe/Berlin timezone

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Session

Advanced methods

17 Oct 2025, 09:00
Research Campus Waischenfeld (Germany) of the Fraunhofer Society

Research Campus Waischenfeld (Germany) of the Fraunhofer Society

Fraunhofer-Platz 1, 91344 Waischenfeld

Conveners

Advanced methods

  • Joachim von Zanthier (QOQI, Friedrich-Alexander-Universität Erlangen-Nürnberg)

Advanced methods: Contributed Talks

  • Naomi Vogel

Presentation materials

There are no materials yet.

  1. 11. Quantum telescopes and quantum imaging
    Pieter Kok (University of Sheffield)
    17/10/2025, 09:00
    Invited talk

    Quantum mechanics has revolutionised information processes like computing and communication. However, full-scale quantum networks and quantum computing are still years away. In the short term we can expect benefits from quantum technologies in the areas of sensing and metrology. In this talk I will present the foundations of quantum imaging and metrology, and explore how we can use quantum...

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  2. 33. Intensity Interferometry for Cosmology and Fundamental Physics
    Ken Van Tilburg (NYU)
    17/10/2025, 09:40
    Invited talk

    I will propose a technique called the "expanding ejecta method" (EEM) to determine angular diameter distances to supernovae based purely on geometry, augmenting the calibration of the cosmic distance ladder or even enabling a direct inference of the cosmic expansion rate. I will also introduce a new variant of intensity interferometry --- "extended-path intensity correlation". EPIC enables...

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  3. 26. Quantum Astrometry at Brookhaven National Laboratory
    Aaron Mueninghoff (Stony Brook University)
    17/10/2025, 10:45
    Contributed talk

    The Quantum Astrometry project at Brookhaven National Laboratory (USA) is working towards a demonstration of the SNSV scheme of intensity interferometry, as first proposed in Stankus et al. (2022, DOI: astro:2010.09100). By measuring the oscillation of HBT visibility between two optically-disconnected telescope stations as the Earth rotates, the SNSV scheme determines the opening angle between...

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  4. 34. Imaging with Intensity Interferometry
    Albert Stebbins (Fermi National Accelerator Laboratory)
    17/10/2025, 11:00
    Contributed talk

    Using intensity correlations measured by intensity interferometers one can infer the angular 2-point correlation function containing precisely half the information of corresponding amplitude interferometry measurements. If one has a phase reference, say, as provided by a bright point source in the field one can recover all the information available to amplitude interferometry. I will show...

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  5. 41. Inferring Line-of-Sight Velocity Distributions via Intensity Interferometry Correlation Functions
    Lucijana Stanic
    17/10/2025, 11:15
    Contributed talk

    Intensity interferometry has proven to be a powerful method for measuring the angular sizes of stellar objects and is increasingly regarded as a reliable technique for achieving high-resolution imaging. With current advancements in detector technology, the time resolution has improved to the point where we are able to to resolve the shape of the correlation peaks. Such sensitivity opens the...

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