quantum cascade laser

Frequency Comb Makes Terahertz Spectroscopy Smaller and Faster

Explosives could soon be detected with a handheld device that uses terahertz spectroscopy to identify chemicals. A team of researchers developed a chip scale system that could replace traditional bulky and slow terahertz spectroscopy systems.

Researchers Build First Quantum Cascade Laser

For the first time, researchers have built a quantum cascade laser (QCL) on silicon....

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