A versatile scheme for read-out and actuation of nanomechanical motion using silica microspheres

Neuhaus, L.Von Brackel, E.Gavartin, E.Verlot, P.Kippenberg, T. J.2013-03-282013-03-282013-03-28201210.1364/CLEO_SI.2012.CW3M.2https://infoscience.epfl.ch/handle/20.500.14299/91063WOS:000310362401378We employ silica microspheres to detect and actuate nanomechanical motion. With Si3N4-nanostrings, we achieve significant passive cooling by radiation pressure. Feedback-cooling enables stable operation at optical powers beyond the parametric-instability threshold, paving the way to detect quantum backation. (C) 2011 Optical Society of AmericaA versatile scheme for read-out and actuation of nanomechanical motion using silica microspherestext::conference output::conference proceedings::conference paper