Path length modulation technique for scatter noise immunity in squeezing measurements

Andrew R. Wade*, Sheon S.Y. Chua, Michael S. Stefszky, Daniel A. Shaddock, David E. McClelland

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)

    Abstract

    We presentatechniquefor frequency shifting scatteringinduced noiseon squeezed light beams, providing immunity from scattered light while preserving the squeezed states. Usinga500Hzpre and postsqueezing apparatus path length modulation, we show up to a 20 dB reduction in scattering induced noise while recovering squeezing measurement below the shot noise level. Such a technique offers immunity to spurious scattering sources without the need for optically lossy isolation optics.

    Original languageEnglish
    Pages (from-to)2265-2267
    Number of pages3
    JournalOptics Letters
    Volume38
    Issue number13
    DOIs
    Publication statusPublished - 1 Jul 2013

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