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Adjustable testing setup for a single-loop optoelectronic oscillator with an electrical bandpass filter

Ilgaz, MA; Lavric, A; Odedeyi, T; Darwazeh, I; Batagelj, B; (2020) Adjustable testing setup for a single-loop optoelectronic oscillator with an electrical bandpass filter. Turkish Journal of Electrical Engineering and Computer Sciences , 2020 (28) pp. 1293-1302. Green open access

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Abstract

In this paper we present a novel method to measure the free spectral range (FSR) and side-mode suppression ratio (SMSR) of an optoelectronic oscillator (OEO) by adjusting the optical fiber length using an optical path selector and signal source analyzer. We have designed a setup for a single-loop OEO operating around 5 GHz and 10 GHz that features electrical bandpass filters for side-mode suppression. The proposed approach makes it possible to evaluate the FSR and SMSR of OEOs with different optical fiber paths without requiring the changing of fiber spools or optical connectors. This approach could be useful for testbeds that investigate the implementation of an OEO in a 5G radio access network.

Type: Article
Title: Adjustable testing setup for a single-loop optoelectronic oscillator with an electrical bandpass filter
Open access status: An open access version is available from UCL Discovery
Publisher version: https://journals.tubitak.gov.tr/elektrik/abstract....
Language: English
Additional information: This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Optical path selector, optoelectronic oscillator, phase noise, free spectral range, side-mode suppression ratio, electrical bandpass filter
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 Computer 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/10088059
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