Unternährer, Manuel; Bessire, Bänz; Gasparini, Leonardo; Stoppa, David; Stefanov, André (2016). Coincidence detection of spatially correlated photon pairs with a monolithic time-resolving detector array. Optics express, 24(25), pp. 28829-28841. Optical Society of America 10.1364/OE.24.028829
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We demonstrate coincidence measurements of spatially entangled photons by means of a multi-pixel based detection array. The sensor, originally developed for positron emission tomography applications, is a fully digital 8×16 silicon photomultiplier array allowing not only photon counting but also per-pixel time stamping of the arrived photons with an effective resolution of 265 ps. Together with a frame rate of 500 kfps, this property exceeds the capabilities of conventional charge-coupled device cameras which have become of growing interest for the detection of transversely correlated photon pairs. The sensor is used to measure a second-order correlation function for various non-collinear configurations of entangled photons generated by spontaneous parametric down-conversion. The experimental results are compared to theory.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
08 Faculty of Science > Institute of Applied Physics 08 Faculty of Science > Institute of Applied Physics > Lasers |
UniBE Contributor: |
Unternährer, Manuel, Bessire, Bänz, Stefanov, André |
Subjects: |
600 Technology > 620 Engineering 500 Science 500 Science > 530 Physics |
ISSN: |
1094-4087 |
Publisher: |
Optical Society of America |
Language: |
English |
Submitter: |
Simone Corry |
Date Deposited: |
12 Jul 2017 14:29 |
Last Modified: |
05 Dec 2022 15:03 |
Publisher DOI: |
10.1364/OE.24.028829 |
BORIS DOI: |
10.7892/boris.96978 |
URI: |
https://boris.unibe.ch/id/eprint/96978 |
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