Search results for "Hong-Ou-Mandel effect"

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Synchronization of optical photons for quantum information processing

2015

We observe the Hong-Ou-Mandel interference via homodyne tomography on two photons extracted from two quantum memories.

PhotonFOS: Physical sciencesquantum memory02 engineering and technology01 natural scienceshomodyne measurementOpticsquantum state tomographySpontaneous parametric down-conversionparametric down conversion0103 physical sciencesQuantum information processingWigner distribution functionWigner functionHumansHong–Ou–Mandel effectquantum optics010306 general physicsResearch ArticlesQuantum opticsPhysicsQuantum PhysicsHong-Ou-Mandel effectPhotonsMultidisciplinaryconcatenated cavitybusiness.industrySciAdv r-articlesOpticsQuantum tomographyModels Theoretical021001 nanoscience & nanotechnologyQubitQuantum Theorysingle photonPhotonicsQuantum Physics (quant-ph)0210 nano-technologybusinessResearch ArticleScience Advances
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Experimental generalized quantum suppression law in Sylvester interferometers

2017

Photonic interference is a key quantum resource for optical quantum computation, and in particular for so-called boson sampling machines. In interferometers with certain symmetries, genuine multiphoton quantum interference effectively suppresses certain sets of events, as in the original Hong-Ou-Mandel effect. Recently, it was shown that some classical and semi-classical models could be ruled out by identifying such suppressions in Fourier interferometers. Here we propose a suppression law suitable for random-input experiments in multimode Sylvester interferometers, and verify it experimentally using 4- and 8-mode integrated interferometers. The observed suppression is stronger than what is…

photonicsGeneral Physics and AstronomyQuantum simulatorFOS: Physical sciences02 engineering and technologyInterference (wave propagation)01 natural sciencesSettore FIS/03 - Fisica Della Materiaquantumquantum informationboson sampling0103 physical sciencesQuantum metrologyquantum opticssuppression lawQuantum information010306 general physicsQuantumBosonQuantum computerQuantum opticsPhysicsgeneralized Hong-Ou-Mandel effectintegrated interferometersQuantum Physicsgeneralized Hong-Ou-Mandel effect; integrated interferometers; multi-photon interference; suppression law021001 nanoscience & nanotechnologyLaw0210 nano-technologyQuantum Physics (quant-ph)multi-photon interference
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