Phonon lasers unlock ultrabroadband acoustic frequency combs

Acoustic frequency combs organize sound or mechanical vibrations into a series of evenly spaced frequencies, much like the teeth on a comb. They are the acoustic counterparts of optical frequency combs, which consist of equally spaced spectral lines and act as extraordinarily ...

🔗 Read more: https://phys.org/news/2026-02-phonon-lasers-ultrabroadband-acoustic-frequency.html

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