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  • Volume 61, Issue 09

    • Volume 61, Issue 09

    Credit: University of Houston
    The team at the University of Houston, including (left to right) Professor Zhifeng Ren, Ange Benise Niyikiza, a Ph.D. candidate, and Senior Research Scientist Dr. Ying Peng, is studying the thermal conductivity of boron arsenide inside a frequency-domain thermoreflectance system. Credit: University of Houston
    Oct. 31, 2025
    Credit: Michael Dobinson
    Dark-field microscope image of a diode nanocavity device with a grating coupler (left) for optical excitation/collection and electrical connections to the p-i-n diode (top/bottom). Credit: Michael Dobinson
    Oct. 30, 2025
    False color picture of the watermark of a €20 bank note, showing the amplitude of the transmitted terahertz electrical field signal with varying optical parameters of the material; the highest amplitude is shown in red, and the lowest in blue. The image was recorded by Menlo Systems’ TERA K15 THz-TDS system with TERA Image imaging extension unit and ImageLab processing software.
    Oct. 30, 2025
    ID 348571148 © Dzmitry Auramchik | Dreamstime.com
    dreamstime_xxl_348571148
    Oct. 29, 2025
    Credit: A. K. Demir et al., Nat. Photon., 19, 1006–1012 (2025); https://doi.org/10.1038/s41566-025-01712-2
    FIGURE 1. The crystal structure of CrSBr1; arrows depict the spin orientation of the layer in the ground state.2 Credit: A. K. Demir et al., Nat. Photon., 19, 1006–1012 (2025); https://doi.org/10.1038/s41566-025-01712-2
    Oct. 27, 2025

    More content from Volume 61, Issue 09

    Credit: Andrew Choi
    The University of Sydney team from left to right: Dr. Jueming Bing, Tik Lun (Peter) Leung, Dr. Guoliang Wang, Professor Anita Ho-Baillie, Runmin Tao, and Dr. Chris Bailey. Credit: Andrew Choi
    Perovskites are pushing solar cell efficiencies beyond the limits of silicon alone. By re-engineering perovskite’s chemistry and triple-junction cell design, researchers set a...
    Oct. 23, 2025
    Credit: University of Trento
    FIGURE 1. Measurement setup at Professor Lobino’s quantum lab at the University of Trento; the chip is inside an oven to control its temperature, while electric signals reach the device through the black SMA cable. Credit: University of Trento
    Case study: An Italian National Institute of Nuclear Physics project team relies on laser measurement technology to analyze the output mode of an integrated quantum device.
    Oct. 22, 2025
    Credit: NTT Research
    Side view of the group’s experimental setup to operate programmable nonlinear photonic waveguides. Credit: NTT Research
    In our Q&A with Ryotatsu Yanagimoto, a research scientist for NTT Research Inc.’s Physics & Informatics (PHI) Lab, he shares details about a new programmable nonlinear waveguide...
    Oct. 21, 2025
    Credit: École Polytechnique/Jérémy Barande
    The team’s setup for time-resolved photoluminescence measurements. Credit: École Polytechnique/Jérémy Barande
    Quantum phenomenon superfluorescence, a.k.a. an “optical bomb,” in perovskites opens the door to practical quantum technologies, such as sources of coherent quantum light operating...
    Oct. 14, 2025
    Credit: Niklas Elmehed/Nobel Prize Outreach
    (L-R) John Clarke, Michael H. Devoret, and John M. Martinis. Credit: Niklas Elmehed/Nobel Prize Outreach
    Congratulations to John Clarke, Michael H. Devoret, and John M. Martinis for their “discovery of macroscopic quantum mechanical tunneling and energy quantization in an electrical...
    Oct. 7, 2025
    Credit: Thomas Linker/SLAC National Accelerator Laboratory
    Bright x-ray flash where the Rabi-cycling process and filamentation was observed. Credit: Thomas Linker/SLAC National Accelerator Laboratory
    Rabi cycling and filamentation at hard x-ray wavelengths is the building block for coherent control of quantum systems and opens new experimental capabilities centered around ...
    Oct. 6, 2025
    Credit: Eric Sucar/University of Pennsylvania
    FIGURE 1. Li He (left) and Bo Zhen (right) in the lab with their photonic crystal platform that enables guiding light in a forward-only direction around a chip’s defects and bends. Credit: Eric Sucar/University of Pennsylvania
    Chips are akin to optical mazes, in which photons can scatter or never reach their destination. But researchers just created a gamechanger “photonic crystal highway” design to...
    Oct. 2, 2025
    Credit: D. Antón, J. Mayoral-Valsera, M. D. Simón-Vallejo, R. Parrilla-Giráldez, and M. Cortés-Sánchez, J. Archaeol. Sci., 181, 106330 (Sep. 2025); https://doi.org/10.1016/j.jas.2025.106330; Licensed under CC BY 4.0
    Smartphone LiDAR 3D textured mesh: Gran Pez panel. Credit: D. Antón, J. Mayoral-Valsera, M. D. Simón-Vallejo, R. Parrilla-Giráldez, and M. Cortés-Sánchez, J. Archaeol. Sci., 181, 106330 (Sep. 2025); https://doi.org/10.1016/j.jas.2025.106330; Licensed under CC BY 4.0
    La Pileta Cave is one of Europe’s most revered rock art sites, and researchers created a 3D replica of its morphology via iPhone light detection and ranging (LiDAR) and a terrestrial...
    Oct. 1, 2025
    Credit: Alain Herzog/CC BY SA 4.0
    FIGURE 1. Christina Beanea-Chelmus, head of EPFL’s Laboratory of Hybrid Photonics, with Yazan Lampert, who holds the team’s lithium niobate chip that generates and detects THz by converting them to and from ultrafast optical signals.
    Lithium niobate photonic circuits move into the terahertz domain—and may enable devices for ultrafast telecommunications, spectroscopy, computing, and ranging.
    Sept. 29, 2025
    Credit: Lumotive
    From warehouse floors to the cloud, Lumotive’s LCM technology bridges the physical and digital worlds through software-defined light.
    Optical breakthroughs are powering the next era of autonomy, infrastructure, and AI.
    Sept. 26, 2025