'We also demonstrated that even very low-power microwave pulses can be detected efficiently using our protocol.'
has devised a means of using quantum mechanics to "view" objects indirectly. The new method could improve measurements for quantum computers and other systems. It brings together the quantum and classical worlds.
‘We had to adapt the concept to the different experimental tools available for superconducting devices. Because of that, we also had to change the standard interaction-free protocol [crucially]: we added another layer of 'quantumness' by using a higher energy level of the transmon. Then, we used the quantum coherence of the resulting three-level system as a resource,’ Paraoanu explained.
The experiment also demonstrated a novel method for using quantum devices to gain an advantage over classical ones, known as a
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