Nanowire (NW) lasers with the NW simultaneously acting as gain medium and optical cavity are attractive for miniaturized photonic integration systems, which have merits of ultracompact footprint, easy ...

High-frequency DC-DC power conversion has emerged as a critical area of research and development, enabling compact, efficient and high-performance power supply systems for a variety of applications, ...

(Left) Schematic illustration of the experimental setup used to demonstrate bidirectional asymmetric wave conversion. (Right) Visualization of upconversion and downconversion depending on the ...

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

In certain applications, like pH measurement based on electromagnetic field (EMF) changes in an electrochemical reaction, the change in voltage is very small and the voltage range varies with the ...

A software-defined radio (SDR) uses a general-purpose computer processor to perform aspects of digital signal processing in place of analog circuit hardware. This allows for greater flexibility in ...

Operators of telecommunication satellites want to be able to offer their customers flexible data and broadcast services anywhere in the world, anytime. Rapidly changing global events like breaking ...

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 ...