Optoacoustic Cooling of Traveling Hypersound Waves

Blázquez Martínez L, Wiedemann P, Zhu C, Geilen A, Stiller B (2024)

Publication Type: Journal article

Publication year: 2024


Book Volume: 132

Article Number: 023603

Journal Issue: 2

DOI: 10.1103/PhysRevLett.132.023603


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.

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Blázquez Martínez, L., Wiedemann, P., Zhu, C., Geilen, A., & Stiller, B. (2024). Optoacoustic Cooling of Traveling Hypersound Waves. Physical Review Letters, 132(2). https://doi.org/10.1103/PhysRevLett.132.023603


Blázquez Martínez, Laura, et al. "Optoacoustic Cooling of Traveling Hypersound Waves." Physical Review Letters 132.2 (2024).

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