Generation of mechanical squeezing via magnetic dipoles on cantilevers

H. Seok, L. F. Buchmann, S. Singh, S. K. Steinke, P. Meystre
2012 Physical Review A. Atomic, Molecular, and Optical Physics  
A scheme to squeeze the center-of-mass motional quadratures of a quantum mechanical oscillator below its standard quantum limit is proposed and analyzed theoretically. It relies on the dipole-dipole coupling between a magnetic dipole mounted on the tip of a cantilever to equally oriented dipoles located on a mesoscopic tuning fork. We also investigate the influence of several sources of noise on the achievable squeezing, including classical noise in the driving fork and the clamping noise in
more » ... oscillator. A detection of the state of the cantilever based on state transfer to a light field is considered. We investigate possible limitations of that scheme.
doi:10.1103/physreva.85.033822 fatcat:nn26hnbeeje4zpzj4bk3yyt34u