Spatial quantum effects with continuous-wave laser beams

Authors: Bachor, H.-A.1; Delaubert, V.2; Harb, C. C.1; Hsu, M. T. L.1; Lam, P. K.1; Fabre, C.2; Treps, N.2

Source: Journal of Modern Optics, Volume 53, Numbers 5-6, March-April 2006 , pp. 597-611(15)

Publisher: Taylor and Francis Ltd

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Abstract:

The application of quantum optics to spatial measurements with continuous-wave laser beams is discussed. In particular, we summarize the work on measuring small displacements and tilt. We present the required theoretical multi-mode model and discuss how it applies to split detectors and spatial homodyne detectors. We show how spatial measurements can be improved using squeezed light. Finally, we present a demonstration of improved spatial homodyne measurements using squeezed light in a higher order spatial mode.

Document Type: Research article

DOI: 10.1080/09500340500167628

Affiliations: 1: ARC Centre of Excellence for Quantum-Atom Optics, Australian National University, ACT 0200, Australia 2: Laboratoire Kastler Brossel, Université Pierre et Marie Curie, Case 74, 75252 Paris cedex 05, France

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