dorsal/arxiv
View SchemaTwo-photon coincident-frequency-entanglement via extended phase matching
| Authors | Onur Kuzucu, Marco Fiorentino, Marius A. Albota, Franco N. C. Wong, Franz X. Kaertner |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0410216 |
| URL | https://arxiv.org/abs/quant-ph/0410216 |
| DOI | 10.1103/PhysRevLett.94.083601 |
| Journal | PRL vol.94 p.083601 (2005) |
Abstract
We demonstrate a new class of frequency-entangled states generated via spontaneous parametric down-conversion under extended phase matching conditions. Biphoton entanglement with coincident signal and idler frequencies is observed over a broad bandwidth in periodically poled KTiOPO$_4$. We demonstrate high visibility in Hong-Ou-Mandel interferometric measurements under pulsed pumping without spectral filtering, which indicates excellent frequency indistinguishability between the down-converted photons. The coincident-frequency entanglement source is useful for quantum information processing and quantum measurement applications.
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"abstract": "We demonstrate a new class of frequency-entangled states generated via\nspontaneous parametric down-conversion under extended phase matching\nconditions. Biphoton entanglement with coincident signal and idler frequencies\nis observed over a broad bandwidth in periodically poled KTiOPO$_4$. We\ndemonstrate high visibility in Hong-Ou-Mandel interferometric measurements\nunder pulsed pumping without spectral filtering, which indicates excellent\nfrequency indistinguishability between the down-converted photons. The\ncoincident-frequency entanglement source is useful for quantum information\nprocessing and quantum measurement applications.",
"arxiv_id": "quant-ph/0410216",
"authors": [
"Onur Kuzucu",
"Marco Fiorentino",
"Marius A. Albota",
"Franco N. C. Wong",
"Franz X. Kaertner"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevLett.94.083601",
"journal_ref": "PRL vol.94 p.083601 (2005)",
"title": "Two-photon coincident-frequency-entanglement via extended phase matching",
"url": "https://arxiv.org/abs/quant-ph/0410216"
},
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