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High Speed Electro-Absorption Modulator for Long Range Retroreflective Free Space Optics
University of Oxford, Oxford, U.K..
RISE - Research Institutes of Sweden, ICT, Acreo.
RISE - Research Institutes of Sweden, ICT, Acreo.
RISE - Research Institutes of Sweden, ICT, Acreo.
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2017 (English)In: IEEE Photonics Technology Letters, ISSN 1041-1135, E-ISSN 1941-0174, Vol. 29, no 9, 707-710 p.Article in journal (Refereed) Published
Abstract [en]

In this letter, we present the design and implementation of a pixelated electro-absorption modulator-based modulating retroreflector (MRR) for high-speed optical wireless communications. The modulator is based on a multiple quantum well structure embedded in an asymmetric Fabry-Perot cavity. This MRR was used in an outdoor link, operating at 150 Mb/s with a bit error rate (BER) of 1.22 × 10-6 at a range of 200 m. The system was also tested in laboratory-controlled conditions achieving a data rate of 200 Mb/s with a BER of 2 × 10-4. To the best of our knowledge, this is the fastest retroreflective free-space optics demonstration in both the indoor and outdoor environments.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2017. Vol. 29, no 9, 707-710 p.
Keyword [en]
Free-space optical communications, modulating retroreflector, quantum well devices, Bit error rate, Fabry-Perot interferometers, Light modulators, Modulators, Semiconducting indium compounds, Semiconductor quantum wells, Space optics, Wireless telecommunication systems, Asymmetric Fabry-Perot cavities, Controlled conditions, Design and implementations, Free Space Optical communication, Modulating retro-reflectors, Multiple quantum-well structures, Optical wireless communications, Quantum well device, Optical communication
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:ri:diva-29790DOI: 10.1109/LPT.2017.2680842ScopusID: 2-s2.0-85018491592OAI: oai:DiVA.org:ri-29790DiVA: diva2:1108314
Note

Funding Agency: 10.13039/501100000780-European Commission H2020

Available from: 2017-06-12 Created: 2017-06-12 Last updated: 2017-06-12Bibliographically approved

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CiteExportLink to record
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