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Optimal optical measurement of small displacements

Date

Authors

Hsu, Magnus

Delaubert, V

Lam, Ping Koy

Bowen, Warwick P

Publisher

Institute of Physics Publishing

Abstract

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

Keywords

Keywords: Benchmarking; Cantilever beams; Electric fields; Knowledge acquisition; Optical beam splitters; Photons; Spurious signal noise; Transmission electron microscopy; Displacement measurement; Homodyne detection; Quantum noise limit; Split detection; Squeezing Displacement measurement; Homodyne detection; Quantum noise limit; Split detection; Squeezing

URI

http://hdl.handle.net/1885/78873

Collections

ANU Research Publications

Source

Journal of Optics B: Quantum and Semiclassical Optics

Type

Journal article

DOI

10.1088/1464-4266/6/12/003