Traveling-wave parametric amplifiers (TWPAs) are electronic devices that boost weak microwave signals (i.e., electromagnetic ...

Optical detector The black rectangle at the centre of this image is a high-speed semiconductor photodiode that converts laser pulses to super-stable microwave frequencies. The diode is surrounded by a ...

Researchers have used state-of-the-art atomic clocks, advanced light detectors, and a measurement tool called a frequency comb to boost the stability of microwave signals 100-fold. This marks a giant ...

San Ramon, CA — Giga-tronics has introduced the 2500B series microwave signal generators which cover 100 kHz to 50 GHz, with extremely low phase noise, high rejection of harmonics, sub-harmonics and ...

A high-level schematic of the photonic integrated chip, developed by the Gaeta lab, for all-optical optical frequency division, or OFD—a method of converting a high-frequency signal to a lower ...

Microwave photonic signal processing is an emerging field that exploits the interplay between microwave signals and photonic components to achieve functionalities that exceed the limitations of ...

Today, wireless communications play an increasingly important role in our daily lives. For future “freewheeling” sixth generation (6G) wireless communications, the hybrid communication systems that ...

Vector modulation is increasingly used in microwave and satellite communication applications, but generating vector-modulated signals for measurement can be difficult and expensive. However, using ...

Researchers led by Delft University of Technology personnel have made two steps in the conversion of quantum states between signals in the microwave and optical domains. This is of great interest for ...

The achievement provides a promising pathway towards small-footprint ultra-low-noise microwave generation for applications such as high-speed communication, atomic clocks, and autonomous vehicles. A ...