Measuring photon anti-bunching from continuous variable sideband squeezing

Abstract

We present a technique for measuring the second-order coherence function $g^{(2)}(\tau )$ of light using a Hanbury-Brown Twiss intensity interferometer modified for homodyne detection. The experiment was performed entirely in the continuous variable regime at the sideband frequency of a bright carrier field. We used the setup to characterize $g^{(2)}(\tau )$ for thermal and coherent states, and investigated its immunity to optical loss. We measured $g^{(2)}(\tau )$ of a displaced squeezed state, and found a best anti-bunching statistic of $g^{(2)}(0)=0.11\pm 0.18$.

4 pages, 4 figures

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• Hanbury Brown Twiss effect for ultracold quantum gases
• Correlations and Counting Statistics of an Atom Laser
• Controlled Single-Photon Emission from a Single Trapped Two-Level Atom
• Quantum homodyne tomography of a two-photon Fock state
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