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Significant progress in augmented reality (AR) technology has been made with the creation of holographic polymer nanocomposites. These materials exhibit a high refractive index modulation of 0.050 at 633 nm, coupled with a minimal haze of 5.0%.
All-optical terahertz modulation, an ultrafast dynamical terahertz control approach that has attracted much interest, remains limited in terms of encoding and multifunction.
Independent controls of various properties of electromagnetic (EM) waves are crucially required in a wide range of applications. Towards this goal, scientists in China proposed the concept and general theory of space-time-polarization-coding (STPC) metasurface, which adds the functionality of arbitrarily controlling polarization direction compared to space-time-coding (STC) metasurfaces. The proposed approach has a wide range of applications in various areas, such as imaging, data storage, and wireless communication.
The robust operation of quantum entanglement states is crucial in quantum information, and computation. However, it is a great challenge to complete such a task because of decoherence and disorder.
Electronics and Communications Research Institute (ETRI) announced on July 1 that they have decided to establish a cooperative system with the International Institute for Applied Systems Analysis (IIASA) to conduct further research regarding the development of an AI policy intelligence system that can assist public policy decision-making.
Chip-scale THz devices could enable future compact computing, imaging, and communication techniques, where the all-optical tunability via Kerr effect remains a bottleneck for THz waves.
A new study has found that intelligence, in the form of general cognitive abilities such as perception, thinking and remembering, is more important than hitherto thought at predicting a person’s ability to complete common tasks with a PC.
A research team has reviewed the crucial role of light-dependent protochlorophyllide oxidoreductase (LPOR) in chlorophyll synthesis and chloroplast development, particularly during the dark-light transition in plants.
Revealing the underlying patterns behind complex systems and predicting their behavior has become a focal point of current interdisciplinary research. In this study, researchers delved into the intrinsic mechanisms of complex systems behavior of photonic phase transitions in one-dimensional Rayleigh scattering systems by establishing a Rayleigh-scattering-phase-variation model with experimental realization. This work expands the current understanding of photonic phase transitions, which is an important reference value for the study of various complex systems. Furthermore, it advances the application of random fiber lasers in critical fields such as high-power laser devices.
Measuring computer chips to identify defects during manufacturing is crucial to improve production yield. Scientists from Delft and Utrecht investigated a novel imaging technique using EUV light—a high-energy short-wavelength radiation—to examine the 3D nanoscale structures on the chips. This technique eliminates the need to use any imaging system containing expensive EUV reflective mirrors in the measurement tool. Instead, images are reconstructed computationally from acquired diffraction data, resulting in a significant cost reduction.
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