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Silicon QCL Forgoes External Light Source

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A novel laser technology, consisting of a quantum cascade laser built on silicon, eliminates the need for an external light source for mid-infrared (MIR) silicon photonic devices or photonic circuits. This advance may have multiple applications that range from chemical bond spectroscopy and gas sensing to astronomy and free-space communications. By directly bonding an III-V layer on top of a silicon wafer and then using the III-V layers to generate gain for the laser, researchers at the University of California, Santa Barbara, were able to integrate a multiple quantum well laser on...Read full article

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    Published: April 2016
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    astronomyTech Pulse

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