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480-Mbps, Bi-directional, ultra-wideband radio-over-fiber transmission using a 1308/1564-nm reflective electro-absorption transducer and commercially available VCSELs

Thakur, MP and Quinlan, TJ and Bock, C and Walker, SD and Toycan, M and Dudley, SEM and Smith, DW and Borghesani, A and Moodie, D and Ran, M and Ben-Ezra, Y (2009) '480-Mbps, Bi-directional, ultra-wideband radio-over-fiber transmission using a 1308/1564-nm reflective electro-absorption transducer and commercially available VCSELs.' Journal of Lightwave Technology, 27 (3). 266 - 272. ISSN 0733-8724

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Abstract

We describe 480 Mbps, bi-directional ultra-wideband (UWB) radio signal transmission over 1 km of single-mode optical fiber. Key components are a highly linear, reflective electro absorption transducer (EAT) and commercially available 1308-nm and 1564-nm VCSELs with 4.8-GHz bandwidth. Detailed EAT and 1308-nm VCSEL distortion analyses and measurements are presented highlighting the low intermodulation and harmonic distortion necessary for typical -18-dB wireless channel error vector magnitudes (EVMs). Direct VCSEL modulation with Wimedia supported band group 1 (3.1-4.8 GHz) MB-OFDM UWB signals was modelled with VPItransmissionMaker, suggesting a minimum EVM of -18.733 dB at 0.4502 OMI. This was confirmed by 480 Mbps upstream and downstream EVM measurements over fiber of -21.4 dB or better. Fully functional, half-duplex, bi-directional data transfer was achieved with interlocked RF switches. © 2009 IEEE.

Item Type: Article
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Jim Jamieson
Date Deposited: 14 Feb 2013 16:20
Last Modified: 28 Jun 2018 14:15
URI: http://repository.essex.ac.uk/id/eprint/5576

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