dorsal/arxiv
View SchemaTailoring photonic entanglement in high-dimensional Hilbert spaces
| Authors | Hugues de Riedmatten, Ivan Marcikic, Valerio Scarani, Wolfgang Tittel, Hugo Zbinden, Nicolas Gisin |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0309058 |
| URL | https://arxiv.org/abs/quant-ph/0309058 |
| DOI | 10.1103/PhysRevA.69.050304 |
| Journal | Phys. Rev. A 69, 050304 (2004) |
Abstract
We present an experiment where two photonic systems of arbitrary dimensions can be entangled. The method is based on spontaneous parametric down conversion with trains of d pump pulses with a fixed phase relation, generated by a mode-locked laser. This leads to a photon pair created in a coherent superposition of $d$ discrete emission times, given by the successive laser pulses. Entanglement is shown by performing a two-photon interference experiment and by observing the visibility of the interference fringes increasing as a function of the dimension d. Factors limiting the visibility, such as the presence of multiple pairs in one train, are discussed.
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"abstract": "We present an experiment where two photonic systems of arbitrary dimensions\ncan be entangled. The method is based on spontaneous parametric down conversion\nwith trains of d pump pulses with a fixed phase relation, generated by a\nmode-locked laser. This leads to a photon pair created in a coherent\nsuperposition of $d$ discrete emission times, given by the successive laser\npulses. Entanglement is shown by performing a two-photon interference\nexperiment and by observing the visibility of the interference fringes\nincreasing as a function of the dimension d. Factors limiting the visibility,\nsuch as the presence of multiple pairs in one train, are discussed.",
"arxiv_id": "quant-ph/0309058",
"authors": [
"Hugues de Riedmatten",
"Ivan Marcikic",
"Valerio Scarani",
"Wolfgang Tittel",
"Hugo Zbinden",
"Nicolas Gisin"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.69.050304",
"journal_ref": "Phys. Rev. A 69, 050304 (2004)",
"title": "Tailoring photonic entanglement in high-dimensional Hilbert spaces",
"url": "https://arxiv.org/abs/quant-ph/0309058"
},
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