Quantum Limits on Measurement and Control of a Mechanical Oscillator - Springer Theses (Hardback)Vivishek Sudhir (author)
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These results verify some of the central and long-standing predictions of quantum measurement theory applied to a macroscopic object. The act of measurement not only perturbs the subject of the measurement-the mechanical oscillator-but also changes the state of the light used to make the measurement. This prediction is verified by demonstrating that the optical field, after having interacted with the mechanical oscillator, contains quantum correlations that render its quadrature fluctuations smaller than those of the vacuum - i.e., the light is squeezed.
Lastly, the thesis reports on some of the first feedback control experiments involving macroscopic objects in the quantum regime, together with an exploration of the quantum limit of feedback control. The book offers a pedagogical account of linear measurement theory, its realization via optical interferometry, and contains a detailed guide to precision optical interferometry..
Publisher: Springer International Publishing AG
Number of pages: 214
Weight: 609 g
Dimensions: 235 x 155 mm
Edition: 1st ed. 2018
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