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News
Integrated electro-optic circulator on thin-film lithium niobate for
2+ day, 1+ hour ago (761+ words) {“title”:”Chip-Scale Optical Circulator Promises Bidirectional 800G Fibre Transmission”,”html”:”Optical networks are built on a deceptively simple problem: light travelling in a fibre almost always wants to go both ways at once, and keeping those two directions from interfering with…...
Tiny red-light switch FenixS–Ash1 delivers ultralow-background
2+ day, 2+ hour ago (534+ words) Researchers at the University of Toronto and the University of Saskatchewan have engineered a compact, far-red light-responsive protein pair that could redefine how scientists switch molecules on and off inside living cells. The new system, described in Nature Methods, pairs…...
Scientists Learn to Stack Fano Interferences for Sharper Plasmonic Energy
2+ day, 7+ hour ago (73+ words) Light passing through a carefully engineered nanostructure can behave in ways that ordinary optics never allows. It can cancel itself out at certain frequencies, reinforce itself at others, and produce sharply asymmetric spectral lines that seem to defy the smooth,…...
Metasurface boosts nonlinear polarization with free-space quantum-well
6+ day, 14+ hour ago (592+ words) In a breakthrough that could reshape how engineers manipulate light at the nanoscale, an international research team has demonstrated a quantum-well metasurface capable of dramatically enhancing nonlinear polarization through free-space optical access....
Electrically Tunable Ultra-Wideband Mid-Infrared Parametric Oscillator
2+ week, 1+ day ago (768+ words) A new integrated photonic device could give scientists something mid-infrared technology has long struggled to provide: a compact light source that is both broadly tunable and electrically controlled....
Metasurface-Driven Diffractive Neural Network Enables All-Wave
2+ week, 4+ day ago (614+ words) Fingerprint authentication has long depended on a digital chain of custody: a sensor captures a fingerprint, software converts the image into a mathematical template, and an algorithm compares that template with stored biometric data. The arrangement is efficient, but it…...
Ultrafast Electron Diffraction Achieved Using a Laser Wakefield
2+ week, 5+ day ago (626+ words) Ultrafast electron diffraction has taken a major step toward becoming faster, smaller and more precisely synchronized. In a new proof-of-principle experiment, researchers generated electron beams for diffraction using a laser wakefield accelerator, or LWFA, and transported them through a miniaturized…...
Integrated 2D Photosensitive Memory Enables Direct Conversion of Light into
2+ week, 5+ day ago (550+ words) Artificial intelligence may soon begin processing images before digital data ever reaches a conventional computer. In a study published in Nature Sensors, researchers report a prototype that converts light directly into the numerical tokens used by vision transformers, potentially eliminating…...
Taiwan hosts kickoff symposium for bilateral circularly polarized light
2+ week, 5+ day ago (600+ words) A five-university Japan–Taiwan research consortium has been selected for the 2026 Japan–Taiwan Exchange Association Joint Research Grant Program in Natural and Applied Sciences, launching a three-year effort to develop a new generation of circularly polarized organic light-emitting diodes, or…...
SUTD, A*STAR IME Researchers Achieve Wafer-Scale Broadband Light Generation
2+ week, 6+ day ago (434+ words) A research team in Singapore has developed a silicon nitride waveguide that can transform a narrow infrared laser pulse into an exceptionally broad spectrum of light on a chip....