As electronic devices get smaller, their ability to provide precise, chip-based sensing of dynamic physical properties such as motion become challenging to develop. An international group of researchers have put a literal twist on this challenge, demonstrating a new nanoscale optomechanical resonator that can detect torsional motion at near state-of-the-art sensitivity. Their resonator, into which they couple light, also demonstrates torsional frequency mixing, a novel ability to impact optical energies using mechanical motions.

Via:: http://feeds.sciencedaily.com/~r/sciencedaily/matter_energy/nanotechnology/~3/KOddeipUCXs/170916080147.htm

Sensing with a twist: A new kind of optical nanosensor uses torque for signal processing

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