Video transmission over cabled monomode fibre at 1.523 μm using PFM with 2-PSK heterodyne detection
Video transmission over cabled monomode fibre at 1.523 μm using PFM with 2-PSK heterodyne detection
- Author(s): D.J.T. Heatley and T.G. Hodgkinson
- DOI: 10.1049/el:19840075
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- Author(s): D.J.T. Heatley 1 and T.G. Hodgkinson 1
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View affiliations
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Affiliations:
1: British Telecom Research Laboratories, Ipswich, UK
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Affiliations:
1: British Telecom Research Laboratories, Ipswich, UK
- Source:
Volume 20, Issue 3,
2 February 1984,
p.
110 – 112
DOI: 10.1049/el:19840075 , Print ISSN 0013-5194, Online ISSN 1350-911X
625-line colour video transmission over 61 km of cabled monomode fibre at 1.523 μm is reported. PFM with 2-PSK heterodyne detection gives a receiver sensitivity of −53.4 dBm at 50 dB video SNR, which is 5.2 dB from the shot noise limit and 8.4 dB better than direct detection. Alternative modulation configurations are discussed.
Inspec keywords: phase shift keying; optical communication equipment; pulse frequency modulation; video signals; television systems; demodulation; optical links; optical fibres
Other keywords:
Subjects: Fibre optics; Modulation and coding methods; Optical communication; CATV and wired systems
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