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Mechanical Oscillator ‘Interprets’ Optical Signals

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EUGENE, Ore., Nov. 15, 2012 — If you want two parties to communicate and they don’t speak the same language, you have to find a good interpreter. In the case of quantum computing, getting different quantum systems, or nodes, to understand each other is a significant challenge because each system communicates with photons of distinct wavelengths, or colors. But a “dark mode” that converts an optical field, or signal, from one color to another could be just the interpreter needed in efforts to build and connect quantum computers. Color conversion will be crucial for networking quantum systems...Read full article

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    Published: November 2012
    Glossary
    noise
    The unwanted and unpredictable fluctuations that distort a received signal and hence tend to obscure the desired message. Noise disturbances, which may be generated in the devices of a communications system or which may enter the system from the outside, limit the range of the system and place requirements on the signal power necessary to ensure good reception.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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