When astronomers detected the first long-predicted gravitational waves in 2015, it opened a whole new window into the ...

A team of researchers from the University of Ottawa has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, unlocking new potential for ...

Electromagnetic waves with frequencies between microwave and infrared light, also known as terahertz radiation, are leveraged ...

The interaction between electromagnetic waves and plasma is a subject of considerable interest due to its relevance in aerospace, telecommunications, and stealth technologies. When electromagnetic ...

A diode design can make terahertz signals stronger & work better, helping build smaller devices for imaging, sensing, and wireless communication.

Researchers have developed a thin film device, fabricated by spray coating, that can block electromagnetic radiation with the flip of a switch. The breakthrough, enabled by versatile two-dimensional ...

Recently, coding metasurfaces, incorporating active components, have enabled real-time and programmable controls over EM functionalities, which used to be static or quite limited in conventional ...

The sun is a dynamic part of our solar system, and it throws plasma and radiation out into space regularly. But not all of ...

A LPF transmits a multicycle fundamental pulse at ω, which produces a signal at 3ω after nonlinear interactions in a graphene-based sample. The LPF and HPF consist of a superposition of four ...