We trap a nanoparticle in high vacuum and cool its CoM motion with a single laser by active parametric feedback. The scheme paves the way for testing quantum mechanics with mesoscopic objects and ultrasensitive metrology.
© 2012 OSA
J. Gieseler, B. M. Deutsch, R. Quidant, and L. Novotny, "Sub-Kelvin Parametric Feedback Cooling of a Laser-Trapped Nanoparticle," in Frontiers in Optics 2012/Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper LW2J.2.
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