Bounds and optimisation of orbital angular momentum bandwidths within parametric down-conversion systems

The measurement of high-dimensional entangled states of orbital angular momentum prepared by spontaneous parametric down-conversion can be considered in two separate stages: a generation stage and a detection stage. Given a certain number of generated modes, the number of measured modes is determine...

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Bibliographic Details
Published in:The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2012-07, Vol.66 (7), Article 178
Main Authors: Miatto, F. M., Giovannini, D., Romero, J., Franke-Arnold, S., Barnett, S. M., Padgett, M. J.
Format: Article
Language:English
Subjects:
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Molecular
Nonclassical field states
squeezed, antibunched and sub-poissonian states
operational definitions of the phase of the field
phase measurements
Nonlinear optics
Optical and Plasma Physics
Optics
Parametric down conversion and production of entangled photons
Physical Chemistry
Physics
Physics and Astronomy
Quantum Information Technology
Quantum optics
Quantum Physics
Regular Article
Spectroscopy/Spectrometry
Spintronics
Topical issue: High Dimensional Quantum Entanglement
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Summary:The measurement of high-dimensional entangled states of orbital angular momentum prepared by spontaneous parametric down-conversion can be considered in two separate stages: a generation stage and a detection stage. Given a certain number of generated modes, the number of measured modes is determined by the measurement apparatus. We derive a simple relationship between the generation and detection parameters and the number of measured entangled modes.
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2012-20736-x