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Single photon beat note in an acousto-optic modulator-based interferometer

Mathevet, Renaud and Chalopin, Benoit and Massenot, Sébastien Single photon beat note in an acousto-optic modulator-based interferometer. (2020) American Journal of Physics, 88 (4). 313-318. ISSN 0002-9505

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Official URL: https://doi.org/10.1119/10.0000299

Abstract

We present in the following a quantum optics experiment appropriate for advanced undergraduate students with former experience in quantum optics. It extends classical single photon setups to the time dependent domain. We demonstrate self-heterodyning of heralded single photons using a Mach-Zehnder like interferometer where beamsplitters are replaced by two acousto-optic modulators (AOMs). The single photon beat note is recorded over time at the frequency difference between the RF generators driving the AOMs, which makes it observable directly on a human time scale, i.e., with periods above a fraction of a second. To compare with our observations, we tailor the standard quantum optics formalism for beam splitters to take into account the frequency shifts associated with the AOMs.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Other partners > Université Grenoble Alpes - UGA (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Institut National des Sciences Appliquées - INSA (FRANCE)
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Deposited On:22 Apr 2020 09:29

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