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Optoelectronic recirculating delay line implementation of a high-q optoelectronic oscillator

Charalambous, G; Hasanuzzaman, GKM; Perentos, A; Iezekiel, S; (2017) Optoelectronic recirculating delay line implementation of a high-q optoelectronic oscillator. In: Xie, S and Yao, J and Novak, D and Cabon, B, (eds.) Proceedings of the 2017 International Topical Meeting on Microwave Photonics (MWP 2017). IEEE Xplore: New York, NY, USA. Green open access

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Abstract

A dual-loop optoelectronic oscillator incorporating an optoelectronic recirculating delay line in order to circumvent the limitations of optical coherence associated with all-optical loops is demonstrated. The optoelectronic oscillator produces a very stable signal at 5.4 GHz (suitable for WLAN 802.11n and 4G-WiMAX systems) with a sub-Hz 3-dB bandwidth and a Q-factor in excess of 1010. A phase noise of -115 dBc/Hz is recorded at 10 kHz offset, owing to the reduction in phase induced intensity noise, whilst side modes are significantly suppressed for offset values in the range 100 kHz - 1 MHz.

Type: Proceedings paper
Title: Optoelectronic recirculating delay line implementation of a high-q optoelectronic oscillator
Event: 2017 International Topical Meeting on Microwave Photonics (MWP 2017)
ISBN: 978-1-5386-0762-6
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/MWP.2017.8168648
Publisher version: https://doi.org/10.1109/MWP.2017.8168648
Language: English
Additional information: This version is the author accepted manuscript . For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: microwave oscillators, microwave photonics, optical delay lines, optoelectronic devices, phase noise, Q-factor
UCL classification: 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/10070807
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