Related papers: Cavity cooling using ultrafast electrons

Cavity cooling using ultrafast electrons

URL: http://arxiv.org/abs/2504.11018v1
Date: Tue, 15 Apr 2025 09:41:43 GMT
Title: Cavity cooling using ultrafast electrons
Authors: D. E. Maison, L. Stettiner, S. Even-Haim, A. Gorlach, I. Kaminer,
Abstract summary: We propose a method to cool a thermal photonic state in a cavity by passing electrons through it.<n>A sequence of such entanglement interactions can achieve cooling of the cavity.
Score: 0.0
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: We propose a method to cool a thermal photonic state in a cavity by passing electrons through it. Electrons are coherently split into two paths, with one path traversing the cavity, becoming entangled with its photonic state. A sequence of such entanglement interactions can achieve cooling of the cavity: e.g., a twofold reduction in thermal photon number with a 25% post-selection probability. This ``which-path''-based approach extends to other qubit oscillator systems, such as phonons in crystals or optomechanical resonators, offering a general framework for quantum oscillator cooling.

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