Optics

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
Nov. 13, 2025
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Nov. 11, 2025
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Nov. 4, 2025
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Nov. 3, 2025
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Oct. 31, 2025
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
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

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