Experimental verification of a single transducer back-action evading measurement scheme for a gravitational wave detector

Gary W. Speitz, Louisiana State University
Anthony G. Mann, Louisiana State University
William O. Hamilton, Louisiana State University
William C. Oelfke, University of Central Florida


We have demonstrated classical squeezed states which result from a back-action evading measurement on a mechanical harmonic oscillator. This is experimental demonstration of a technique which can be used to explore the "standard" quantum limits of measurement. © 1984.