Compensation of fluctuational back action and detection of mechanical squeezing in the regime of strongly detuned pumping of an optical displacement sensor |
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Authors: | S P Vyatchanin A A Demchenko |
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Institution: | 1. Moscow State University, Moscow, 119991, Russia
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Abstract: | Measurement of the position of an oscillator by means of a Fabry-Perot resonator with one moving mirror (oscillator mass) pumped by a laser in the regime of strongly detuned pumping is analyzed. Compensation of fluctuational back action in the reflected wave is demonstrated. However, this does not allow overcoming the standard quantum limit due to the dynamic back action. Additionally, the possibility of detecting mechanical squeezing under parametric action on a mechanical oscillator is analyzed. |
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