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Open Quantum Systems Decoherence Photonic Quantum Computing Entanglement Theory Quantum Correlations

Spectral Correlation Measurements at the Hong-Ou-Mandel Interference Dip

arXiv
Authors: Thomas Gerrits, Francesco Marsili, Varun Verma, Lynden Shalm, Matthew Shaw, Richard Mirin, Sae Woo Nam

Year

2014

Paper ID

47704

Status

Preprint

Abstract Read

~2 min

Abstract Words

82

Citations

N/A

Abstract

We present an efficient tool capable of measuring the spectral correlations between photons emerging from a Hong-Ou-Mandel interferometer. We show that for our spectrally factorizable spontaneous downconversion source the Hong-Ou-Mandel interference visibility decreases as the photons frequency spread is increased to a maximum of 165 nm. Unfiltered, we obtained a visibility of 92.0 pm 0.2 \%. The maximum visibility was 97 pm 0.2 \% after applying filtering. We show that the tool can be useful for the study of spectral correlations that impair high-visibility and high-fidelity multi-source interference applications.

Why This Paper Matters

  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
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  • We present an efficient tool capable of measuring the spectral correlations between photons emerging from a Hong-Ou-Mandel interferometer.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1409.1616 [2] arXiv https://arxiv.org/abs/1409.1616 [3] Publisher https://arxiv.org/abs/1409.1616

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