Invisible tool facilitates new wave of quantum experiments


R&D Magazine – The quantum nanophysics team around Markus Arndt of the University of Vienna has now established a novel way of manipulating massive particles: The researchers use nanosecond long flashes of laser light to create gratings, three of which form a closed-path interferometer. This scheme allows creating quantum mechanical superposition states, which we do not observe in our macroscopic environment. When precisely synchronized, the fleeting light structures form a device freed from many constraints that limited the measurement precision in earlier machines.

“Interferometry in the time-domain with pulsed light gratings will become a central element of quantum experiments with nanoparticles,” states Philipp Haslinger who is the first author of the paper. more> http://tinyurl.com/cqupn9u

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