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A comparison of APD and SPAD based receivers for visible light communications

Abstract:

Visible light communications (VLC) is an alternative method of indoor wireless communications that requires sensitive receivers. Ideally, single photon avalanche detectors (SPADs) could be used to create more sensitive receivers. However, the dead-time, finite output pulse width and photon detection efficiency of existing SPAD arrays limits their sensitivity and bandwidth. In this paper an accurate equation for the impact of dead-time on the sensitivity of a SPAD array is presented. In additi...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1109/JLT.2018.2811180

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Chitnis, D More by this author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
Rajbhandari, S More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Engineering Science
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Publisher:
Institute of Electrical and Electronics Engineers Publisher's website
Journal:
Journal of Lightwave Technology Journal website
Volume:
36
Issue:
12
Pages:
2435-2442
Publication date:
2018-02-28
Acceptance date:
2018-03-02
DOI:
EISSN:
1558-2213
ISSN:
0733-8724
Pubs id:
pubs:828267
URN:
uri:e78f5c6b-a30c-48e8-88cf-d08015eb0dfc
UUID:
uuid:e78f5c6b-a30c-48e8-88cf-d08015eb0dfc
Local pid:
pubs:828267
Paper number:
12

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