Focal’s Diva Mezza Utopia is a $70,000 high-end wireless speaker system with Naim Class A/B amps, UWB streaming, and app control—no separates required, no cables necessary.

The Burson Conductor GT4 is a $3K audio sledgehammer—insanely powerful, deadly neutral, and hot enough to fry eggs.

A 1550 nm polarization insensitive semiconductor optical amplifier with a very thin tensile-strained bulk active layer was developed. The SOA module exhibited a record high fiber-coupled saturation ...

Abstract: An all-optical differentiator making use of cross-gain modulation (XGM) in optical parametric amplifier (OPA) has been demonstrated. The experimental results of differentiating the periodic ...