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    The team—left to right: Qinmiao Chen, Randy Stefan Tanuwijaya, Jensen Li, and Tailin An—with their optical setup.
    Optics

    Quantum holograms via metasurfaces?

    Sally Cole Johnson
    March 28, 2025
    Quantum optics and advanced nanophotonics combo enables precise control of entangled holographic information.

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    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)
    Lasers & Sources

    Light is ‘greener’ way to tune quantum dot bandgaps

    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...
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    Podcasts

    PODCAST: Interview with Alexander Weigl, TRUMPF Photonic Components and Patrick Leisching, iThera Medical

    EPIC - European Photonics Industry Consortium
    March 25, 2025
    In Episode 44 of Following the Photons: A Photonics Podcast, Antonio Castelo, EPIC’s technology manager for Biomedical and Lasers, talks with Alexander Weigl, head of product ...
    (Credit: Exail)
    The full process of fabrication of Exail’s micro-optical assembly in free space—from active optical alignment to gluing and assembling process—is based on technologies proven for the constraints of space deployment.
    Fiber Optics

    Optical transceivers enable complex space optical communications

    Hervé Gouraud
    March 24, 2025
    Exail recently helped demonstrate ultrahigh-speed (10 Gbps) optical downlink and uplink transmissions between the TELecoms on all Earth Orbits (TELEO) geostationary in-orbit demonstrato...

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    (Photo credit: Chalmers University of Technology)
    Researcher Minghao Qi, a professor at Purdue University, with the team’s setup.

    (Photo credit: William P.D. Hayes/Columbia Engineering)
    Natalie Fardian-Melamed in the lab working on a combo scanning probe—an inverted-optical microscope to explore single photon avalanching nanocrystal mechano-optics and photophysics. (Photo credit: William P.D. Hayes/Columbia Engineering)
    (Photo credit: Artiom Skripka)
    Artiom Skripka in front of a fume hood where the scientists synthesize their nanomaterials. (Photo credit: Artiom Skripka)

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    Photonics Hot List: March 28, 2025

    Justine Murphy
    March 28, 2025
    In this episode: A two-way space laser comms triumph, the latest business news headlines, and light-activated ink aids cardiac therapy.
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    Photonics Hot List: March 21, 2025

    Justine Murphy
    March 21, 2025
    In this episode: Fiber optics monitor brain injuries, the latest business news, and graphene helps advance flexible displays.
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    Photonics Hot List: March 14, 2025

    Justine Murphy
    March 14, 2025
    In this episode: Novel flat lenses detect color, this week's photonics business news roundup, and new nanosensors upend conventional tech.

    Leadership in Lasers and Photonics

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

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