The beam splitter as a state and entanglement detector
In this article we propose a very simple scheme for detecting the state and the degree of entanglement of two modes of radiation using a beam splitter. We find that using this device we can tell whether the state coming out of a certain apparatus is maximally entangled, by measuring the intensity of...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_14644266_v5_n3_p279_Berlin |
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todo:paper_14644266_v5_n3_p279_Berlin2023-10-03T16:17:15Z The beam splitter as a state and entanglement detector Berlín, G. Aliaga, J. Beam splitter Entanglement Relevant operators Electromagnetic field effects Matrix algebra Optical beam splitters Photodetectors Photons Problem solving Quantum teleportation Quantum theory In this article we propose a very simple scheme for detecting the state and the degree of entanglement of two modes of radiation using a beam splitter. We find that using this device we can tell whether the state coming out of a certain apparatus is maximally entangled, by measuring the intensity of the radiation of one of the modes. This result is independent of the transmittivity of the beam splitter. In some cases it is also possible to determine the state exactly, by measuring the dispersion of one of the modes. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_14644266_v5_n3_p279_Berlin |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Beam splitter Entanglement Relevant operators Electromagnetic field effects Matrix algebra Optical beam splitters Photodetectors Photons Problem solving Quantum teleportation Quantum theory |
| spellingShingle |
Beam splitter Entanglement Relevant operators Electromagnetic field effects Matrix algebra Optical beam splitters Photodetectors Photons Problem solving Quantum teleportation Quantum theory Berlín, G. Aliaga, J. The beam splitter as a state and entanglement detector |
| topic_facet |
Beam splitter Entanglement Relevant operators Electromagnetic field effects Matrix algebra Optical beam splitters Photodetectors Photons Problem solving Quantum teleportation Quantum theory |
| description |
In this article we propose a very simple scheme for detecting the state and the degree of entanglement of two modes of radiation using a beam splitter. We find that using this device we can tell whether the state coming out of a certain apparatus is maximally entangled, by measuring the intensity of the radiation of one of the modes. This result is independent of the transmittivity of the beam splitter. In some cases it is also possible to determine the state exactly, by measuring the dispersion of one of the modes. |
| format |
JOUR |
| author |
Berlín, G. Aliaga, J. |
| author_facet |
Berlín, G. Aliaga, J. |
| author_sort |
Berlín, G. |
| title |
The beam splitter as a state and entanglement detector |
| title_short |
The beam splitter as a state and entanglement detector |
| title_full |
The beam splitter as a state and entanglement detector |
| title_fullStr |
The beam splitter as a state and entanglement detector |
| title_full_unstemmed |
The beam splitter as a state and entanglement detector |
| title_sort |
beam splitter as a state and entanglement detector |
| url |
http://hdl.handle.net/20.500.12110/paper_14644266_v5_n3_p279_Berlin |
| work_keys_str_mv |
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1782027779570663424 |