Most devices for the transmission of electromagnetic signals obey Lorentz reciprocity, meaning that signals propagate freely in both directions through circuits. A microwave pulse, for example, can ...

Researchers have published the demonstration of a fully-integrated single-chip microwave photonics system, combining optical and microwave signal processing on a single silicon chip. The chip ...

Scientists have long proposed that solar electricity generation in space could be an integral component of the world’s carbon-free future. In the 1970s, a U.S. Navy experiment showed that it might be ...