In a series of important experiments, typical quantum-mechanical characteristics have been studied in mechanical systems, including entanglement and energy quantization.
However, to put these systems to use in important studies and technological applications, quantum properties must be first observed. The next step would be to master the management of mechanical quantum objects so that their quantum states can be regulated, measured, and ultimately manipulated in device-like structures.
The team of Yiwen Chu in the Laboratory of Solid State Physics at ETH Zurich has currently made a considerable advance in that direction. Illustrating in the journal Nature Physics, they report the extraction of data from a mechanical quantum system without damaging the valuable quantum state. This advance makes way for quantum error correction, etc.
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