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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 ...
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 ...