Institut Néel Grenoble

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It has recently become possible to cool macroscopic mechanical oscillators down to their quantum ground state of motion. Various kinds of mechanical oscillators, ranging in mass from picograms to micrograms have now been prepared at ultralow mean phonon occupancy by combining traditional cryogenic and active cooling techniques. It is now time to envision even more challenging experiments aiming at ”engineering” the quantum mechanical state of the oscillator. This can be achieved by coupling the ultracold oscillator to a second system whose quantum state can be independently controlled and transferred onto the mechanical oscillator. the combination of these two components defines a “hybrid” mechanical system.Full text

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