In principle, optical phase-sensitive amplifiers are known to be capable of realizing noiseless amplification, as well as improving the signal-to-noise-ratio of optical links by 3 dB compared to ...

Researchers at Chalmers University of Technology, Gothenburg, Sweden, have demonstrated an optical amplifier which can amplify light with extremely low noise. Researchers at Chalmers University of ...

Addressing a long-standing challenge in photonic integrated circuit design, researchers demonstrate that a miniature erbium-doped waveguide amplifier provides efficient and high-power optical ...

Reflective Semiconductor Optical Amplifiers, also known as RSOAs, are high-performance, low-cost transceivers used for data amplification and modulation in radio over fiber systems, full-duplex optic ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Earlier this year, I reviewed the WiiM Ultra music streamer ...

The continually increasing data traffic across the globe is placing greater demands on the capacity of communication systems. A research team from Chalmers University of Technology, in Sweden, has ...

Covering home audio and video, Matthew Moskovciak helps CNET readers find the best sights and sounds for their home theaters. Ex-movie theater projectionist Steve Guttenberg has also worked as a ...

Designed specifically for high-voltage sensing, a new generation of optically isolated amplifiers make monitoring and system protection circuits more accurate and easier to design. These iso-amps can ...

A device that boosts light signals in an optical fiber network. Unlike regenerators, which have to convert light to electricity in order to amplify it and then convert it back again to light, the ...