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Proceedings Paper

Wavelength shift tolerance of a heterodyne detection scheme for cost-efficient DWDM-PON / 60 GHz wireless integration
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Paper Abstract

Radio-over-fiber systems employing remote antenna units (RAUs) based on coherent optical heterodyne detection of two phase uncorrelated lasers and envelope detection have been recently demonstrated. By using two uncorrelated lasers, this system concept allows simple implementation that can additionally be improved, if thermally uncooled lasers are used. Although such asynchronous receiver design is mildly affected by the laser phase noise, it suffers from the wavelength drift that occurs between the uncooled laser sources. Also, there are performance penalties due to high laser line-width when complex modulation formats are used for transmission. In this work, we analyze the performance of heterodyne based optical receivers, using OOK and multilevel modulation.

Paper Details

Date Published: 7 February 2015
PDF: 6 pages
Proc. SPIE 9387, Broadband Access Communication Technologies IX, 93870E (7 February 2015); doi: 10.1117/12.2080844
Show Author Affiliations
M. C. R. Medeiros, Univ. de Coimbra (Portugal)
M. P. Thakur, Univ. College London (United Kingdom)
S. Mikroulis, Univ. College London (United Kingdom)
J. E. Mitchell, Univ. College London (United Kingdom)

Published in SPIE Proceedings Vol. 9387:
Broadband Access Communication Technologies IX
Benjamin B. Dingel; Katsutoshi Tsukamoto, Editor(s)

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