Measurement of the Entanglement between Photonic Spatial Modes in Optical Fibers

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We experimentally demonstrate the entanglement of spatial modes between two photons propagating through separate few-mode optical fibers. Quantum states over the two lowest-order spatial modes are measured with highly efficient spatial-mode analyzers based on acousto-optics. Quantum state tomography verifies the entanglement of the spatial-domain Bell state.
Publisher
AMER PHYSICAL SOC
Issue Date
2012-07
Language
English
Article Type
Article
Keywords

ORBITAL ANGULAR-MOMENTUM; FILTER

Citation

PHYSICAL REVIEW LETTERS, v.109, no.2

ISSN
0031-9007
DOI
10.1103/PhysRevLett.109.020502
URI
http://hdl.handle.net/10203/102864
Appears in Collection
PH-Journal Papers(저널논문)
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