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    Jay Kumler (February 1, 1964 - February 10, 2025).
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    (Photo credit: Mikko Raskinen)
    Professor Hele Savin (left) and her group used the Micronova micro- and nanofabrication center at Aalto University to fabricate their germanium infrared photodiodes.
    Detectors & Imaging

    Black germanium boosts infrared photodiode responsivity

    Sally Cole Johnson
    Feb. 19, 2025
    Researchers create a germanium infrared photodiode that’s 35% more responsive at 1.55 µm—a common wavelength for telecommunications—than its other germanium and indium gallium...

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    Podcasts

    PODCAST: Interview with Andrea Armani, University of Southern California

    Justine Murphy
    Feb. 18, 2025
    Episode 39 of Following the Photons: A Photonics Podcast features Dr. Andrea Armani, senior director of engineering and physical sciences at the Ellison Medical Institute and ...
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    Lead researchers Dr. Song Wang (left), a research scientist at SMART DiSTAP, and Dr. Yangyang Han (right), a senior postdoctoral associate at SMART DiSTAP.
    Bio&Life Sciences

    First-of-its-kind chromatic sensor detects plant distress

    Justine Murphy
    Feb. 17, 2025
    It’s not always easy to tell if a plant is dehydrated, and sometimes it’s too late to save it. But a sensor designed by an international team of scientists detects distress in...
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    Executive Forum

    Can silicon photonics overcome scaling challenges for AI and data centers?

    René Jonker
    Feb. 13, 2025
    Scaling silicon photonics for AI and data centers faces innovation hurdles in four key areas: Energy efficiency, manufacturing and packaging, ecosystem development, and cost optimizatio...

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    FIGURE 1. Overview of the quantum communications market, which is expected to reach $1.2 billion within the next decade for hardware alone.

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    The drive to higher power lasers

    Ophir, an MKS Instruments Brand
    Feb. 17, 2025
    The drive for higher power lasers in directed energy and production keeps Ophir at the forefront of innovation with measurement systems that deliver accurate and reliable measurements...
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    Photonics Hot List: February 14, 2025

    Justine Murphy
    Feb. 14, 2025
    In this episode: A new LiDAR system hits distances up to 1 km away, an artificial neuron boasts lightning speed, and the U.S. DOE announces quantum funding.
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    Photonics Hot List: February 7, 2025

    Justine Murphy
    Feb. 7, 2025
    In this episode: Soft microrobots infiltrate biomedical applications, SPIE Photonics West and business news roundup, and bright squeezed vacuum pulses generate high harmonics....

    Leadership in Lasers and Photonics

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

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