Result description
This work introduces a practical method to create and verify entangled, non-Gaussian mechanical Schrödinger-cat states using pulsed optomechanical interactions and photon detection. The proposed verification protocol enables detailed characterization of the mechanical state’s quantum properties. It advances experimental capabilities in macroscopic quantum state control and supports future applications in quantum information, sensing, and foundational studies.
We propose a pulsed scheme to generate and verify a two-mode Schrödinger-cat state in mechanical oscillators using radiation-pressure nonlinearity and photon counting. Our approach allows full characterization of non-Gaussian entanglement via arbitrary-order quadrature moments and is robust to realistic experimental imperfections, making it achievable with near-term optomechanical platforms. This work targets researchers in quantum optics and quantum foundations, aiming to advance control over macroscopic entangled states for both fundamental tests and quantum technologies.
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Result submitted to Horizon Results Platform by STOCKHOLMS UNIVERSITET
