Spatial quantum effects with continuous-wave laser beams

H. A. Bachor*, V. Delaubert, C. C. Harb, M. T.L. Hsu, P. K. Lam, C. Fabre, N. Treps

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)


    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.

    Original languageEnglish
    Pages (from-to)597-611
    Number of pages15
    JournalJournal of Modern Optics
    Issue number5-6
    Publication statusPublished - 20 Mar 2006


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