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Linewidth Tolerance for THz Communication Systems Using Phase Estimation Algorithm

Gonzalez-Guerrero, L; Shams, H; Fice, MJ; Seeds, AJ; van Dijk, F; Renaud, CC; (2016) Linewidth Tolerance for THz Communication Systems Using Phase Estimation Algorithm. In: The proceedings of the IEEE International Topical Meeting on Microwave Photonics (MWP). (pp. pp. 75-78). Institute of Electrical and Electronics Engineers (IEEE) Green open access

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Abstract

This paper presents the impact of signal linewidth on photonic THz wireless systems using phase estimation (PE) algorithms at the receiver. The penalty associated with signal linewidth, as well as the optical linewidth requirements for systems using free-running lasers are evaluated using extensive Monte Carlo simulations for different modulation formats. The BER performance and power penalty induced by signal linewidth are also measured experimentally by varying the linewidth of the local oscillator laser. Simulation and experimental results show similar penalty trends. Differences between them are likely to be due to impairments not considered in the simulations and the THz signal linewidth being bigger than the sum of the optical linewidths of the two free-running lasers used in the experiment.

Type: Proceedings paper
Title: Linewidth Tolerance for THz Communication Systems Using Phase Estimation Algorithm
Event: MWP 2016: International Topical Meeting in Microwave Photonics
Location: Long Beach, CA, USA
Dates: 31 October 2016 - 04 November 2016
ISBN-13: 978-1-5090-1602-0
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/MWP.2016.7791290
Publisher version: http://dx.doi.org/10.1109/MWP.2016.7791290
Language: English
Additional information: Copyright © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: Photonic THz generation, optical heterodyning, digital coherent detection; high-speed wireless; fibre wireless; radio-over-fibre
UCL classification: UCL
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/1517817
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