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All-optical signal processor developed to break AI data center transmission bottleneck

A research team led by The Chinese University of Hong Kong (CUHK) has developed a novel integrated all-optical signal ...
Nature

A novel arc signal and motor power synchronization-based method for precise contact fault diagnosis of GIS disconnector

Gas-insulated switchgear (GIS) disconnectors play an important role in power systems, and their mechanical condition is critical for operational reliability. However, existing diagnostic methods ...
Nature

Photonic signal processor based on a Kerr microcomb for real-time video image processing

Signal processing has become central to many fields, from coherent optical telecommunications, where it is used to compensate signal impairments, to video image processing. Image processing is ...
Electronic Design

What’s the Difference Between Power Density and Power Spectral Density?

Defining laser-beam power density. 2. Power spectral density is simply the Fourier transform of the signal. When we have a discrete case, as in Figure 2, the PSD can be calculated by using the fast ...
Electronic Design

The ABCs of Analog Signal-Path Design—and Coping with Today’s Challenges

How analog signal engineering is performed, in broad strokes. What are the component-selection considerations for new designs? What are VFAs and how are they used? Analog signal engineers specialize ...