Abstract
We show how to prepare and directly measure the squeezed states of
nanomechanical oscillators. An intense pulse interacts with a dielectric mirror
in a cavity. The quadratic coupling between the optical pulse and the
oscillator results in the reduction of a quadrature variance of the massive
oscillator. Differently from others, the proposed scheme here requires neither
any post-action on the optical field nor a preparation of a nonclassical
optical field. Depending on the initial temperature of the system, the
squeezing of the variance under the vacuum limit can be achieved only by a few
repetitive interactions.
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