Typically, after a physical system is disturbed, it can gradually return toward a state of thermal equilibrium by exchanging heat with its surroundings. Thermal equilibrium is a state in which there is no net transfer of ...
A shoebox-sized color detection device could enable precise measurements at record resolution, according to new research led by Adelaide University. An international team exploited an integrating sphere—a highly reflective ...
Optics & Photonics
4 hours ago
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An international collaboration demonstrates that classical nonlinear dynamics can drive single- and two-photon states to thermalize, opening new avenues for simulating complex quantum many-body systems within accessible optical ...
Optics & Photonics
5 hours ago
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In an international collaboration, researchers have developed a method that produces significantly higher-quality three-dimensional X-ray images than previously possible. The technique is used for 3D imaging with so-called ...
Optics & Photonics
8 hours ago
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A research team led by Lu Haipeng, a professor in the Department of Chemistry at The Hong Kong University of Science and Technology (HKUST), has achieved a breakthrough in preserving spin information for optoelectronic technologies. ...
Condensed Matter
Nov 9, 2026
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An infrared signal thought to reveal how molecules in perovskite solar materials respond to light-generated charges can arise largely from the way light travels through the thin film itself, a new theoretical study shows. ...
Condensed Matter
Nov 9, 2026
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The tiny atomic defects so important for future quantum technologies can be difficult to spot. Fortunately, they leave behind some clues. The defects can alter how a material responds to light, producing a distinctive optical ...
Optics & Photonics
Nov 9, 2026
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Scientists from Tokyo Metropolitan University have discovered that charged states made of two electrons and a positively charged hole (or vice versa) on atomically thin rolls of carbon atoms have a structure-derived "handedness" ...
Optics & Photonics
Nov 9, 2026
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Traditional lenses and mirrors focus light using curved surfaces. Metasurfaces can achieve similar functions with a flat layer of nanoscale structures that locally control the phase of light. Extending these flat optics into ...
Optics & Photonics
Nov 6, 2026
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X-rays with wavelengths between approximately 2.3 and 4.4 nanometers, i.e., in the so-called water window, are particularly well suited to examining biological samples in their natural, aqueous environment. To date, however, ...
Optics & Photonics
Nov 5, 2026
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