The ability to precisely control the various properties of laser light is critical to much of the technology that we use today, from commercial virtual reality (VR) headsets to microscopic imaging for ...

The terahertz (THz) band of the electromagnetic spectrum holds immense promise for next-generation technologies, including high-speed wireless communication, advanced encryption, and medical imaging.

Metasurfaces and their novel or counterintuitive optical properties can achieve a variety of functions that conventional bulk optics components cannot. The Harvard SEAS lab of metamaterials pioneer ...

Metasurfaces are two-dimensional (2D), nanoengineered surfaces that interact strongly with electromagnetic waves and can control light with remarkable precision. These ultra-thin layers can be used to ...

Researcher have created a bilayer metasurface made of two stacked layers of titanium dioxide nanostructures, opening new possibilities for structuring light. (Nanowerk News) Almost a decade ago, ...

Polarization, the direction in which light vibrates, is invisible to the human eye. Yet, so much of our optical world relies on the control and manipulation of this hidden quality of light. Materials ...

Researchers created an ultra-thin optical array that controls photons like bulky quantum devices, offering a scalable path to room-temperature quantum photonics. (Nanowerk News) In the race toward ...

Metamaterials usually rely upon a pattern of raised nanostructures manufactured on an optical surface to produce their counter-intuitive properties. A project at the Harvard SEAS lab of metamaterials ...

Researchers have developed a single metasurface that can effectively tune the different properties of laser light, including wavelength, without the need of additional optical components. The ...

Researchers have designed a metasurface that can be continuously tuned from linear to elliptical birefringence, opening up the entire space of polarization control with just one device. This single ...