Quantum locking of mirrors in interferometers |
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Authors: | Courty Jean-Michel Heidmann Antoine Pinard Michel |
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Institution: | Laboratoire Kastler Brossel, Case 74, 4 place Jussieu, F75252 Paris Cedex 05, France. |
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Abstract: | We show that quantum noise in very sensitive interferometric measurements such as gravitational-wave detectors can be drastically modified by quantum feedback. We present a new scheme based on active control to lock the motion of a mirror to a reference mirror at the quantum level. This simple technique allows one to reduce quantum effects of radiation pressure and to greatly enhance the sensitivity of the detection. |
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