Optoacoustic cooling of traveling hypersound waves
arXiv:2305.19823 · doi:10.1103/PhysRevLett.132.023603
Abstract
We experimentally demonstrate optoacoustic cooling via stimulated Brillouin-Mandelstam scattering in a 50 cm-long tapered photonic crystal fiber. For a 7.38 GHz acoustic mode, a cooling rate of 219 K from room temperature has been achieved. As anti-Stokes and Stokes Brillouin processes naturally break the symmetry of phonon cooling and heating, resolved sideband schemes are not necessary. The experiments pave the way to explore the classical to quantum transition for macroscopic objects and could enable new quantum technologies in terms of storage and repeater schemes.
arXiv comment5 pages, 3 figures, L. B. M., P. W. and C. Z. contributed equally to this work
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- Cross-Polarized Stimulated Brillouin Scattering in Lithium Niobate Waveguides
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- Brillouin-Mandelstam Scattering-based Cooling of Traveling Acoustic Waves from Cryogenic Temperatures
- Enhanced Laser Cooling of a Mechanical Resonator via Zero-Photon Detection