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Optical frequency tripling with improved suppression and sideband selection

Thakur, MP; Medeiros, MCR; Laurencio, P; Mitchell, JE; (2011) Optical frequency tripling with improved suppression and sideband selection. Optics Express , 19 (26) B459-B470. 10.1364/OE.19.00B459. Green open access

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Abstract

A novel optical dispersion tolerant millimetre-wave radio-over-fibre system using optical frequency tripling technique with enhanced and selectable sideband suppression is demonstrated. The implementation utilises cascaded optical modulators to achieve either an optical single sideband (OSSB) or double sideband-suppressed carrier (DSB-SC) signal with high sideband suppression. Our analysis and simulation results indicate that the achievable suppression ratio of this configuration is only limited by other system factors such as optical noise and drifting of the operational conditions. The OSSB transmission system performance is assessed experimentally by the transport of 4 WiMax channels modulating a 10 GHz optical upconverted RF carrier as well as for optical frequency doubling and tripling. The 10 GHz and tripled carrier at 30 GHz are dispersion tolerant resulting both in an average relative constellation error (RCE) of −28.7 dB after 40 km of fibre.

Type: Article
Title: Optical frequency tripling with improved suppression and sideband selection
Open access status: An open access version is available from UCL Discovery
DOI: 10.1364/OE.19.00B459
Publisher version: http://dx.doi.org/10.1364/OE.19.00B459
Language: English
Additional information: © 2011 The Optical Society. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1336277
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