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    • Quantum

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    Digital Crossroads Data Center in Hammond, Indiana.
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    (Image credit: Ryan Lavine for IBM)
    IBM Quantum Heron r2 is the second gen (r2) of IBM Heron processors.
    (Image credit: SPIE)
    2025 SPIE Prism Award finalists and award recipients will be honored during a January 29th gala evening at SPIE Photonics West.
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    Highlights

    (Image credit: Francesco Tani)
    This schematic shows the differences between classical optics vs. quantum optics for the team’s work.
    Quantum

    Bright squeezed vacuum pulses generate high harmonics

    Sally Cole Johnson
    Dec. 20, 2024
    Using a bright squeezed vacuum to generate high harmonics enhances their yields—compared to classical coherent light—and provides a route to probe material properties beyond the...
    (Image credit: K. Arjas et al., Nat. Commun., 15, 9544 [2024]; https://doi.org/10.1038/s41467-024-53952-5)
    Vortex laser pattern from 12-fold rotationally symmetric quasicrystal structure.
    Quantum

    Novel quasicrystal design further ‘green lights’ topological study of light

    Sally Cole Johnson
    Dec. 16, 2024
    A new quasicrystal design process—that enabled a structure with a 12-fold rotational symmetry—may prove useful for many photonic applications beyond plasmonics.
    (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!
    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...
    FIGURE 1. Quantum tech investment timeline (2020 to 2024). Investment of $7.06B across 296 funding rounds shows yearly distribution among major quantum players and smaller deals combined (excluding national quantum strategies and government programs).
    Quantum

    Follow the money: Two stories of quantum tech investment

    Michael Baczyk
    Nov. 22, 2024
    Three threads, three data sets, and two contradicting narratives. I’m about to walk you through quantum tech’s funding story that can be read as both a bull and bear market case...

    Recommended

    © Endeavor Business Media
    ebook_quantumphotonics_121024
    Quantum

    eBook: A journey of quantum photonics

    Dec. 10, 2024
    Laser Focus World invites you to join us on a quantum journey as we share the work of researchers around the globe pushing quantum mechanics closer to real-world applications ...
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    (Photo credit: Quanscient)
    Executive Forum

    Build the future of quantum computing with Quanscient

    Jose Pozo
    June 21, 2024
    Juha Riippi, CEO of Quanscient, shares his professional journey, the importance of a talented team, and the possibilities ahead in multiphysics quantum computing.
    (Photo credit: LightSolver)
    Lasers & Sources

    LightSolver rolls out quantum-inspired LPU100

    May 31, 2024
    Ruti Ben-Shlomi, CEO and cofounder of LightSolver, a startup that developed a quantum-inspired laser-based processing unit, talks to us about their disruptive computing paradigm...
    (Photo credit: Besim Mazhiqi, PHoQS, Paderborn University)
    Test & Measurement

    New tool determines characteristics of light-based quantum states

    Sally Cole Johnson
    May 6, 2024
    Researchers develop a technique to measure the quantum mechanical properties of electromagnetic fields at the single-photon level.
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    Quantum

    Quantum Research & Innovation: Welcome!

    Sally Cole Johnson
    April 16, 2024
    I’m thrilled to welcome you to the first issue of Quantum Research & Innovation!