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    (Image credit: Ryan Lavine for IBM)
    IBM Quantum Heron r2 is the second gen (r2) of IBM Heron processors.

    Top Stories

    (Image credit: Benjamin Yuen)
    The “shape” (expected intensity distribution) of a single photon emitted by an atom on the surface of a silicon nanoparticle.
    Quantum

    Quantum electrodynamics theory unveils precise ‘shape’ of a single photon

    Sally Cole Johnson
    Dec. 2, 2024
    New theory developed by Angela Demetriadou and Benjamin Yuen at the University of Birmingham in the U.K. explains how light and matter interact at the quantum level—at last!

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    Read This Next

    (Image credit: Red Pitaya)
    Red Pitaya's STEMlab device can be used as an oscilloscope, signal generator, or spectrum analyzer.
    Test & Measurement

    Open-source measurement helps photonics companies scale

    Črt Valentinčič
    Dec. 2, 2024
    The secret to consistent scaling? Embrace open-source tools for your measurements.
    FIGURE 1. A misaligned lens inserted into a Bessel beam pre-aligned to an ASM.
    Optics

    Tabletop optical alignment: A nightmare for QED scientists (with a solution)

    Robert E. Parks
    Nov. 27, 2024
    Precision optical alignment is currently used for centering lenses within cells, but a call from a quantum computing company made us realize it would be more helpful to quantum...
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    Podcasts

    PODCAST: November 26, 2024 Light News

    Justine Murphy
    Nov. 26, 2024
    Episode 27 of Following the Photons: A Photonics Podcast features our Light News photonics news roundup for November 26, 2024.

    Learning Resources

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    H&E staining on rat brain coronal slices from all treatment conditions at three days post-injury and four weeks post-injury. Images were taken from frontal cortex, corpus callosum, and choroid plexus (body of the lateral ventricle).

    (Image credit: Xuchen Wang/Aalto University)
    “This work could lead to the first experimental realization of photonic time crystals, propelling them into practical applications and potentially transforming industries,' says Professor Viktar Asadchy from Aalto University, Finland.
    (Image credit: Stephen Sweeney)
    Cryogenic testing setup in Sweeney’s lab: A solar cell is held under cryogenic conditions (-196°C) while being powered by a laser.

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    Raman Spectroscopy
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    FLIM Systems

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    Photonics Hot List: November 22, 2024

    Justine Murphy
    Nov. 22, 2024
    In this episode: novel cooling film via radiative cooling, DEEPscope ventures deep into the brain, and SPIE announces its 2025 Prism Award finalists.
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    Photonics Hot List: November 15, 2024

    Justine Murphy
    Nov. 15, 2024
    In this episode: microwaves could treat brain diseases, a silent amplifier boosts space communication, and the latest business mergers & acquisitions.
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    Photonics Hot List: November 8, 2024

    Justine Murphy
    Nov. 8, 2024
    In this episode: a tech shift boosts AI and data networks, the latest photonics business sales and acquisitions news, and self-healing chalcogenide glass.

    Leadership in Lasers and Photonics

    Welcome to Laser Focus World's Leadership in Lasers and Photonics program.

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