Today's Tech News: Notable or Not?

https://www.eurekalert.org/news-releases/1125988 "front: quantum-dot-micropillar emits bright, identical (crucial for quantum interference) photons... back: metalens hit by photons expand/ shape traveling through semiconductor substrate... cavities make bright photons but little control over beam's final shape/ metalenses incredible control but inefficient photon generation... overcome integrating into single-block... single-photon skyrmion generation, quantum computers/ communication, sensors... no bulky mirrors/ lenses, all prepping done inside chip"

https://www.eurekalert.org/news-releases/1118472 "integrates astigmatic metalens/ spectral-acousto-optic scanning, solving inter-axis mismatch... 36.6 MHz frame-wise point acquisition rate, 102° field of view enabled by metalens' quadratic phase foundation, 6.5 mrad angular resolution, wide-angle astigmatism correction sharpens angular resolution... broadband pulsed laser undergoes spectral-temporal encoding... acousto-optic deflector/ blazed grating perform scanning... target echoes captured by photomultiplier tube... robotics, autonomous road/ aerial vehicles"

https://phys.org/news/2026-01-discovery-reveals-silica-hidden-potential.html "silica (glass) ensures light follows single, clean path through each nanopillar... less aggressive bending light, so devices more forgiving of physical imperfections/ fabrication errors... stable response across many light wavelengths without need for complex engineering... scalable: compatible with standard deep-UV chip-making lithography, cheaper than electron-beam lithography... silica can handle high-powered lasers that would damage other materials... reduces camera, sensor, microscope production costs"

https://phys.org/news/2025-12-team-shatters-3d-nanofabrication-limits.html ">120K metalense array (ultrathin optical elements) splits single laser into thousands of coordinated focal spots... prints across cm-scale areas simultaneously rather than point-by-point... throughput 1,000X faster while maintaining sub-μm precision, feature sizes as small as 113 nm... spatial light modulator enables real-time intensity control of each individual beam... prints non-periodic, complex, stochastic structures (like 16 chess openings at once), quantum computing, fuel capsules (fusion energy), biomedicine, microelectronics" Related: Goodbye stereolithography: Scientists develop a faster and finer way to 3d print metal https://www.eurekalert.org/news-releases/1110463 Engineering tiny 3D metallic parts https://www.eurekalert.org/news-releases/1120334

https://www.eurekalert.org/news-releases/1095494 "broadening achromatic bandwidth/ increasing aperture size, functional operation extension into IR/ UV using nonlinear materials... dual-metalens systems: vertically stacked enables more flexible aberration control/ varifocal systems, laterally aligned mimics human visual mechanism with binocular metalens demonstrating intelligent depth sensing... 3D reconstruction integral imaging, precision measurement light-field imaging, quantum light sources generating high-dimensional/ multi-photon entangled states"

https://www.eurekalert.org/news-releases/1085969 "metalens mass produced using lithium niobate: silicon master mold, solution containing lithium niobate crystal precursors stamped while still liquid (similar to Gutenberg's printing press), heated to 600°C, it takes on the precise crystalline structure that enables photon manipulation. More cost-effective and faster to fabricate than any previous lithium niobate devices. Suitable for mass production as molds can be reused many times... metalens apps:  cheap night vision, solar cells, holographic authentication, industry" Related: Mo4+ and Ag+ co-sensitized double perovskites enable ultra-broadband NIR emission https://www.eurekalert.org/news-releases/1116124 Scientists developed room-temperature, zero-power infrared sensor for next-generation night vision https://www.eurekalert.org/news-releases/1121525