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    • Volume 62, Issue 01

    More content from Volume 62, Issue 01

    Credit: NASA 2018
    International Space Station (ISS).
    Next time you see the International Space Station zip overhead in the night sky, remember that silicon-organic hybrid photonics is poised to enable the next generation of optical...
    Dec. 3, 2025
    Credit: Exail
    Exail’s Er-doped and Er:Yb-doped optical fibers enable the development of low-noise optical amplifiers and high-power optical amplifiers for flying payloads and for optical feeder links in OGSs.
    Exail is providing advanced optical technologies for SOLiS—a space laser communications demonstrator launched by the French government—to demonstrate the viability of an optical...
    Dec. 1, 2025
    Credit: Enablence Technologies
    FIGURE 1. Flash (a) vs. scan (b) LiDAR.
    Solid-state frequency-modulated continuous-wave (FMCW) LiDAR systems integrate scanning, modulation, and detection directly into a single device—and it’s why costs are dropping...
    Nov. 28, 2025
    Credit: Champalimaud Foundation
    The team’s AI-assisted autofluorescence lifetime imaging setup accurately differentiates malignant from benign tissue in real time.
    With its ability to accurately differentiate malignant from benign tissue in real time, an AI-assisted autofluorescence lifetime imaging technique is poised to help improve cancer...
    Nov. 27, 2025
    Credit: Vincenzo Pecunia
    Credit: Vincenzo Pecunia
    Photodetectors are evolving and diversifying so rapidly that a team of academia and industry photonics experts created “Consensus Statement” guidelines to consistently measure...
    Nov. 20, 2025
    Credit: Miriam Serena Vitiello
    In the lab with their setup (from left to right): Dr. Alejandro Justo Guerrero, Dr. Alessandra Di Gaspare, Dr. Vladimir Pusharev, Professor Miriam Serena Vitiello, Dr. Lili Shi, and Dr. Leonardo Viti. Credit: Miriam Serena Vitiello
    Researchers enable second and third harmonic generation via topological insulator-based van der Waals metamaterials.
    Nov. 19, 2025
    Schematic of a birefringent metasurface creating four point spread functions (PSFs) for each polarization channel to provide eight total phase-diversity captures within a single shot.
    The optical system uses a nanostructured birefringent metasurface to detect atmospheric turbulence, which poses a challenge for free-space optical comms systems.
    Nov. 14, 2025
    Credit: S. Yang, K. Yang, Q. Chevy, A. Kepecs, and S. Hu, Nat. Neurosci. (2025); https://doi.org/10.1038/s41593-025-02106-x
    An ultrafast laser writes microscopic grating emitters inside a hair-thin optical fiber to enable panoramic and reconfigurable neural modulation. Credit: S. Yang, K. Yang, Q. Chevy, A. Kepecs, and S. Hu, Nat. Neurosci. (2025); https://doi.org/10.1038/s41593-025-02106-x
    To explore complex brain circuits, researchers can now use a single fiber to direct light into 1,000 different directions akin to a controllable tiny disco ball within the brain...
    Nov. 13, 2025
    Credit: Aerotech
    FIGURE 1. A schematic diagram depicting Aerotech’s Automation1 laser control architecture.
    Advanced laser micromachining technology significantly reduces production complexity, increases efficiency, and ultimately lowers costs. A combination of modern motion controls...
    Nov. 6, 2025
    ID 90274546 | Data Center © Vladimir Timofeev | Dreamstime.com
    dreamstime_xxl_90274546
    Members Only
    Copackaged optics (CPO) can meet the urgent needs of artificial intelligence (AI)—but it must be deployed wisely and at scale to balance the performance, sustainability, and resilience...
    Nov. 3, 2025
    Credit: Khajavikhan’s Group
    (L-R) Hediyeh M. Dinani, Dr. Georgios Pyrialakos, and Abraham M. Berman Bradley in the lab with their setup. Credit: Khajavikhan’s Group
    Members Only
    Researchers tap optical thermodynamics as a framework to understand and harness the self-organizing behavior of light within complex, highly multimode environments—and discovered...
    Oct. 20, 2025
    Credit: Corporal Adam J Wakefield, RLC/UK MOD © Crown copyright 2022
    FIGURE 1. The British Army's Challenger 3 main battle tank is at the heart of high-intensity warfighting and, therefore, a vital part of an integrated defense system.
    Today’s optics and laser technologies for the battlefield can see further to detect threats earlier—and respond to them faster to protect soldiers and vehicles, and ensure mission...
    Oct. 10, 2025
    Credit: Helmholtz Zentrum Dresden-Rossendorf/Science Communication Lab
    Helmholtz International Beamline for Extreme Fields’ (HIBEF) target chamber. Credit: Helmholtz Zentrum Dresden-Rossendorf/Science Communication Lab
    A new twist on a computational approach helps simulate warm dense matter—an exotic state that combines solid, liquid, and gaseous phases—and may advance laser-driven inertial ...
    Oct. 9, 2025
    Credit: FlexEnable
    FIGURE 1. Three types of dimming: Global, pixelated, and segmented.
    Key dimmer parameters such as transmission range, dimmer color, uniformity, and reliability must be considered to ensure augmented reality (AR) glasses provide the expected quality...
    Oct. 8, 2025
    Credit: Alireza Marandi
    The team’s experimental setup uses an on-chip optical parametric oscillator (OPO) to generate a frequency comb of laser-like light over a wide range of frequencies. An optical fiber is to the left and a free-space objective is to the right. Credit: Alireza Marandi
    Caltech researchers create a nanophotonic optical parametric oscillator (OPO) to enable coherent light sources within photonic integrated circuits (PICs)—from visible to mid-infrared...
    Sept. 24, 2025
    Credit: Stephan Höck
    Professor Andreas Tittl in front of his lab’s optical table. Credit: Stephan Höck
    ‘Temporal symmetry breaking’ marks a paradigm shift in active photonics. By enabling ultrafast control over light-matter interactions within metasurface resonators, it paves the...
    Sept. 15, 2025
    Credit: Qing Hu’s group/MIT
    SEM image of a curved double-chirped mirror before gold electroplating (for heat removal). Credit: Qing Hu’s group/MIT
    Researchers combine an air-dielectric slab double-chirped mirror (DCM) and quantum cascade laser (QCL) to create a longwave-infrared (LWIR) frequency comb within a compact system...
    Sept. 12, 2025