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 ...

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 ...

In a new Nature study, Columbia Engineering researchers have built a photonic chip that is able to produce high-quality, ultra-low-noise microwave signals using only a single laser. The compact device ...

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 ...

Modern-day communications rely on both fibre-optic cables and wireless radiofrequency (RF) microwave communications. Reaching higher data transmission capabilities is going to require technologies ...

Quantum physicists have found a way to make clouds of atomic-scale spins act like a single, disciplined antenna, generating microwave signals that are both powerful and remarkably long lived. Instead ...

A research team led by Professor Wang Cheng from the Department of Electrical Engineering (EE) at City University of Hong Kong (CityUHK) has developed a world-leading microwave photonic chip that is ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Researchers have developed a microwave photonic chip that is capable of performing ultrafast analog electronic signal processing and computation using optics. A research team led by Professor Wang ...

How a single silicon chip was designed to be microwave and optical signal-processing engine. The various roles for which this engine can be reconfigured. The performance considerations that were ...