Researchers improve tunability in optical differentiation
A new technique may make it easier for researchers to create real-time images of microscopic samples by considering the waves ...
IEEE16d
Anisotropic Metagratings with a Polarization Selective Layer for Anomalous Wide-Angle Reflection and Polarization Conversion
The metagrating patterns are designed with a set of perpendicular electric dipoles, which exhibit independent control of transverse electric (TE) and transverse magnetic (TM) wave responses. In ...
Mena FN18d
Arbitrarily Rotating Polarization Direction And Manipulating Phases In Linear And Nonlinear Ways
The simultaneous modulations of the beam and polarization direction of the fundamental wave are achieved using the space-polarization-coding scheme. In addition, simultaneous modulations of the ...
EurekAlert!22d
Complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms under arbitrary polarization states
The orthogonal circular polarization components of the incident electromagnetic waves are utilized as a complete set of basis states, and the holographic image under arbitrarily polarized incident ...
AlphaGalileo22d
Complete-Basis-Reprogrammable Coding Metasurface for Generating Dynamically-Controlled Holograms under Arbitrary Polarization States
The orthogonal circular polarization components of the incident electromagnetic waves are utilized as a complete set of basis states, and the holographic image under arbitrarily polarized incident ...
Phys.org24d
Scientists create ultracompact polarization-entangled photon sources for miniaturized quantum devices
More information: Jiangang Feng et al, Polarization-entangled photon-pair source with van der Waals 3R-WS2 crystal, eLight (2024). DOI: 10.1186/s43593-024-00074-6 Journal information: eLight ...
Popular Mechanics24d
Scientists Are on the Cusp of Unleashing the Power of the World’s Largest Battery
Winds race across fields devoid of turbines, sunlight crashes against black asphalt shingles, and ocean waves beat unceasingly against coastlines around the world. And while billions of dollars ...
ScienceAlert25d
Megatsunami in Greenland Produced Waves That Lasted an Entire Week
A landslide and its resulting megatsunami in a Greenland fjord in September 2023 were significant enough to send waves around the channel of water for an entire week, newly analyzed data collected ...
LADbible25d
Astronaut waves and flips his camera to shut down flat Earth theory once and for all
An astronaut has shared a video from space which sets the record straight on the 'flat Earth' theory once and for all. The understanding that Earth is round has been a part of our common knowledge ...
Time26d
Robert Putnam on how to reduce workplace loneliness and polarization
His research has special relevance these days for workplaces on numerous levels, pointing to avenues for reducing high levels of loneliness among workers, for addressing political polarization ...
SciTech Daily26d
Quantum Breakthrough: Scientists Use Sound Waves To Enable the Future of the Internet
Beams of light, shown in orange and blue, are shined on a surface acoustic wave resonator, where their interactions are controlled by a precisely designed cavity. Inside this echo chamber, the light ...