AI Summary

Mid‑infrared (mid‑IR) light is crucial for modern sensing because molecules interact with it in characteristic ways, enabling techniques such as mid‑IR spectroscopy to identify biological materials, drugs and pollutants. The same wavelength range can also act as a carrier for free‑space optical communications, transmitting data through the air without cables or fibers. Researchers suggest that improved control of mid‑IR light could produce more sensitive detectors and accelerate communication speeds.

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