부산대학교 도서관

Acoustic-phonons in the GHz-THz range (i.e. acoustic waves with wavelengths in the 1–100 nm range) appear as a suitable platform to study complex wave phenomena, to access the mechanical quantum regime, and to control other excitations, motivating the development of nanophononic devices. The strong interactions with other excitations in solids extend the range of applications to fields such as nanoelectronics, photonics, communications, NDT, optomechanics, and quantum optics.[1] Contrary to what happens in standard opto-acoustics, at these scales, the wavelength of the photons is comparable or much larger than the wavelength of the acoustic waves.