Researchers in Switzerland have made the world's smallest optical transistor ever from a single dye molecule. The device, which works by weakening or amplifying a "source" laser beam depending on the ...

Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics. These include photonic and quantum systems that could advance imaging, ...

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 new publication from Opto-Electronic Science; DOI 10.29026/oes.2023.230019 overviews optical trapping of optical nanoparticles. This article reviews the fundamentals and applications of optically ...

As demand for computing and communication capacity surges, the global communication infrastructure struggles to keep pace, since the light signals transmitted through fiber-optic lines must still be ...

A nanostructure made of silver and an atomically thin semiconductor layer can be turned into an ultrafast switching mirror device that may function as an optical transistor—with a switching speed ...

An international research team led by Skoltech and IBM has created an extremely energy-efficient optical switch that could replace electronic transistors in a new generation of computers manipulating ...

Optoelectronics, the use of electronic devices for the detection and control of light, has become a preferred means for broadband and transoceanic communication networks. Below is a sneak peek at the ...

A layered transistor design combines light detection optical memory and neuromorphic processing in one unit offering compact and efficient artificial vision hardware. (Nanowerk Spotlight) Artificial ...

(Nanowerk News) Current computer systems represent bits of information, the 1's and 0's of binary code, with electricity. Circuit elements, such as transistors, operate on these electric signals, ...