• Quantum

    Highlights

    Credit: Pedro Ornelas
    Two entangled photons, A and B, are engineered to be topological. After passing through a noisy real-world system, the entanglement decays but the topology remains intact.
    Andrew Forbes
    April 14, 2025
    Advances in topology work reveal its promise as a tool to embed information into quantum light as well as read it out—forming the basis for a topological alphabet.
    Credit: VitreaLab
    FIGURE 1. VitreaLab’s quantum light chip (QLC) emits hundreds of laser beams.
    Photonics companies in Europe are addressing microdisplay manufacturing challenges.
    Credit: Relativity Networks
    Relativity Networks’ hollow-core fiber (HCF).
    April 2, 2025
    In this Q&A with Relativity Networks’ CEO Jason Eichenholz, he introduces us to the startup he cofounded and explains why hollow-core fiber is enabling the next revolution in ...
    The team—left to right: Qinmiao Chen, Randy Stefan Tanuwijaya, Jensen Li, and Tailin An—with their optical setup.
    Sally Cole Johnson
    March 28, 2025
    Quantum optics and advanced nanophotonics combo enables precise control of entangled holographic information.
    Credit: Milad Abolhasani
    A new method to tune quantum dot bandgaps taps light—which speeds the process, and is more energy-efficient and environmentally sustainable. (Credit: Milad Abolhasani)
    Sally Cole Johnson
    March 26, 2025
    Existing methods to tune bandgaps of perovskite quantum dots—which are less than ideal because they rely on chemical modifications or high-temperature reactions—just got an environmenta...
    (Image credit: Francesco Tani)
    This schematic shows the differences between classical optics vs. quantum optics for the team’s work.
    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...
    ID 251924238 © Arnon Thaneepoon | Dreamstime.com
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    Sean Michael Brehm
    Dec. 20, 2024
    Balancing quantum resilience with eco-consciousness, Vogon Cloud is designed for a future where technology and sustainability go hand in hand.
    (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.
    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.
    Digital Crossroads Data Center in Hammond, Indiana.
    Dec. 11, 2024
    In this Q&A with Quantum Corridor’s CEO Thomas P. Dakich, he shares what it’s like to launch a quantum network, challenges involved, how the project’s goals quickly expanded, ...