Polaromechanical cooling of multiple mechanical modes

• URL: http://arxiv.org/abs/2506.02562v1
• Date: Tue, 03 Jun 2025 07:47:47 GMT
• Title: Polaromechanical cooling of multiple mechanical modes
• Abstract summary: Further coupling polaritons to phonons leads to the formation of hybrid polaromechanical systems.<n>Recent experiments have achieved the strong coupling between polaritons and phonons in two different configurations.<n>We show how multiple mechanical modes can be simultaneously cooled by using polaritons with a single drive field.
• Score: 4.561414434532408
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The strong coupling between light and matter gives rise to polaritons. Further coupling polaritons to phonons leads to the formation of hybrid polaromechanical systems. Recent experiments have achieved the strong coupling between polaritons and phonons in two different configurations, namely, the magnon-photon-phonon and exciton-photon-phonon systems, which makes it possible to prepare and control mechanical states via manipulating the polaritons. Here, we present a polaromechanical cooling theory and show how multiple mechanical modes can be simultaneously cooled by using polaritons with a single drive field. This is achieved by exploiting the great tunability of the polariton frequencies. Specifically, $N$ polaritons can be tuned to resonantly enhance the anti-Stokes scatterings associated with $N$ mechanical modes, leading to the cooling of all the mechanical modes at once. We explicitly show how such polaromechanical cooling can simultaneously cool two mechanical modes, and then discuss how to apply it to cool multiple mechanical modes and to various polaromechanical systems, such as magnon-, exciton-, and plasmon-polaromechanical systems.

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