All-atomic source of squeezed vacuum with full pulse-shape control
arXiv:1201.4372 · doi:10.1088/0953-4075/45/12/124015
Abstract
We report on the generation of pulses of a low-frequency squeezed vacuum with noise suppression >2 dB below the standard quantum limit in a hot resonant 87 Rb vapor with polarization self-rotation. We demonstrate the possibility to precisely control the temporal profile of the squeezed noise quadrature by applying a calibrated longitudinal magnetic field, without degrading the maximum amount of squeezing.
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- Propagation of a squeezed optical field in a medium with superluminal group velocity