Abstract: Orbital angular momentum (OAM) has garnered significant attention due to its advantages in channel capacity. In this letter, a polarization conversion metasurface (PCM) that utilizes ...

Quantum technologies, devices and systems that process, store, detect, or transfer information leveraging quantum mechanical effects, have the potential to outperform classical technologies in a ...

Researchers use large language models to streamline nanoscopic material design for advanced optical systems like camera lenses and VR headsets. (Nanowerk News) A team of researchers at Penn State have ...

This study addresses the limitations of conventional metasurfaces, which exhibit symmetric electromagnetic responses under forward and backward incidences and are difficult to achieve distinct ...

In the realm of active 3D imaging, the light detection and ranging (LiDAR) technology plays a pivotal role, offering direct depth acquisition and robust resistance to environmental noises. LiDAR ...

Metasurfaces, as 2D artificial electromagnetic materials engineered at subwavelength scales, enable efficient manipulation of electromagnetic waves far beyond natural materials, bridging the gap ...

This paper introduces a broadband polarization conversion reconfigurable metasurface retroreflector, which is made up of periodically arranged, specially engineered broadband polarization conversion ...

Why are we asking for donations? Why are we asking for donations? This site is free thanks to our community of supporters. Voluntary donations from readers like you keep our news accessible for ...

Holography—the science of recording and reconstructing light fields—has long been central to imaging, data storage, and encryption. Traditional holographic systems, however, rely on bulky optical ...