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 ...

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 ...

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 ...

Photonic methods for microwave signal measurement exploit optical components and processes to down-convert, analyse and quantify high-frequency radio signals with unprecedented bandwidth, low latency ...

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 ...

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 ...

Researchers use microcomb-based photonic chips to generate ultralow-noise microwave and millimeter-wave signals with record stability for 6G and radar. (Nanowerk News) A chip-scale photonic system has ...

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 ...

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 ...

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 ...