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Optimal optical measurement of small displacements

Hsu, Magnus; Delaubert, V; Lam, Ping Koy; Bowen, Warwick P


We derive the quantum noise limit for the optical beam displacement of a TEM00 mode. Using a multimodal analysis, we show that the conventional split detection scheme for measuring beam displacement is non-optimal with ∼80% efficiency. We propose a new

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Journal of Optics B: Quantum and Semiclassical Optics
DOI: 10.1088/1464-4266/6/12/003


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