Light can be sculpted into countless shapes. Yet building optical devices that can simultaneously manipulate many different ...

Plasmonic structures exhibit a wide range of physical characteristics, which are benefited by the localized and intensified light–matter interaction. There have been many recent advancements with ...

Opaque materials can transmit light when excited by a high-intensity laser beam. This process, known as optical bleaching, induces a nonlinear effect that temporarily alters the properties of a ...

A team of researchers at the Ming Hsieh Department of Electrical and Computer Engineering has created a new breakthrough in photonics: the design of the first optical device that follows the emerging ...

While many research efforts are underway to develop active devices that can function in the challenging terahertz spectrum, others are leapfrogging to try to get some devices operate into the ...

A team of researchers at the Ming Hsieh Department of Electrical and Computer Engineering has created a new breakthrough in photonics: the design of the first optical device that follows the emerging ...

The nonlinear susceptibility is a measure of a material's nonlinear response to an applied electric field. It determines the strength of the nonlinear effects and is related to the crystal's symmetry ...

Switching has almost always meant “hard" switching, which is simple but comes with all kinds of electrical and thermal ...

Researchers demonstrate ultrafast multivalley optical switching in germanium (Ge) using a single-color pulse laser. This breakthrough enables precise transparency control across multiple wavelengths, ...