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

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.

References in corpus (8)

• Silica-on-Silicon Waveguide Quantum Circuits
• Heralded Generation of Ultrafast Single Photons in Pure Quantum States
• Photonic Boson Sampling in a Tunable Circuit
• Shor's quantum factoring algorithm on a photonic chip
• Fiber-assisted single-photon spectrograph
• Widely tunable single photon source with high purity at telecom wavelength
• Pulsed source of spectrally uncorrelated and indistinguishable photons at telecom wavelengths
• Down-conversion source of positively spectrally correlated and decorrelated photon pairs at telecom wavelength

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