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Persoonlijk profiel

Quote

Over 99% of all data generated will go through an optical fibre. Optical transmission systems form the foundation of the Internet and are slowly running out of capacity. We need a paradigm shift in how we design and test our systems to develop next-generation low-energy, robust and high capacity photonic networks

Research profile

Chigo Okonkwo is an Associate Professor leading the high capacity optical transmission laboratory of the Electro-Optical Communications Group at the Institute for Photonics Integration, TU/e. He currently works on two key areas: Firstly, he is working to maximise the capacity of presently deployed single-mode fibre systems by employing advanced-coded modulation schemes and Probabilistic/Geometrically shaped signals and low complexity digital signal processing. More importantly, he is working on future proof transmission systems based on Space Division Multiplexing, and developing the new optical components required to scale the capacity of the optical transmission systems towards Petabit/s transmission. This can be done by exploiting the various spatial channel of a multi-mode fibre or multi-core fibre.

Chigo’s research is also focused on the development of new measurement systems, and his work has led to a provisional patent and several critical publications in Nature Photonics, JLT and Optics Express. Since 2010, Chigo has built up a world-class high capacity optical transmission laboratory and collaborates with several industrial partners.

Academic background

Chigo Okonkwo graduated in 2002 with a Masters Honours degree in Telecommunications and Information systems at University of Essex, United Kingdom. After earning his PhD in Optical signal processing at the University of Essex, he joined COBRA TU/e as a Post-doctoral researcher in 2010. In that period, he worked on schemes and architectures for High Capacity In-Building and Dynamic Optical Access Networks within the EU ICT projects (ALPHA, POF-PLUS and EURO-FOS) and a joint research framework project with South Korean research organization ETRI. Since 2014, he is tenured at the Department of Electrical Engineering.

Between 2011 and 2015, Chigo worked on the EU project MODEGAP, and his research focuses on Ultra-high capacity space division multiplexed transmission systems. From advanced multi-dimensional modulation formats to the optical and digital signal processing schemes required for such systems. Since 2018, Chigo is a member of the Center for Quantum Materials and Technology (QT/e) working to advance the National agenda on Quantum secure communications.

Chigo is a Technical program committee member for European conference on optical communications (ECOC) since 2014. In 2018, he was the Sub Committee Chair for Digital Signal Processing track at ECOC and the General Chair for OSA Advanced photonics congress conference on signal processing for photonics. As a Senior Member of the professional organization IEEE, he serves as a reviewer and has (co)authored more than 200 publications in conferences and journals.

Opleiding / Academische kwalificatie

Electrical engineering, Doctor, University of Essex

1 feb 20051 feb 2009

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Projecten

5G-MOBIX

van Hout, J., Tafur Monroy, I., Kurtic - Brajic, M., Kurtic - Brajic, M., Calabretta, N., Johannsen, U., Okonkwo, C. M., Heemstra de Groot, S. M., Dubbelman, G., Patterson, D., Rommel, S., Cimoli, B., den Ouden, J., Sanders, R., Barros Carvalho, J. & Meyer, E.

1/11/1831/10/21

Project: Onderzoek direct

5G PHOS

van Hout, J., Tafur Monroy, I., Tafur Monroy, I., Kurtic - Brajic, M., Kurtic - Brajic, M., Witteveen, F., Johannsen, U., Okonkwo, C. M., Raddo, T. R., Patterson, D. & Sanders, R.

1/09/1731/08/20

Project: Onderzoek direct

Onderzoeksoutput

30% Reach Increase via Low-complexity Hybrid HD/SD FEC and Improved 4D Modulation

Liga, G., Chen, B., van der Heide, S., Sheikh, A., van den Hout, M., Okonkwo, C. M. & Alvarado, A., 1 jul 2020, In : IEEE Photonics Technology Letters. 32, 13, blz. 827-830 4 blz., 9096398.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Open Access
Bestand
  • 7 Downloads (Pure)

    Analysis and experimental demonstration of orthant-symmetric four-dimensional 7 bit/4D-sym modulation for optical fiber communication

    Chen, B., Alvarado, A., Heide, S. V. D., Hout, M. V. D., Hafermann, H. & Okonkwo, C., 28 mrt 2020, In : arXiv. 2020, 13 blz., 2003.12712.

    Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademic

    Open Access
    Bestand
  • 13 Downloads (Pure)

    Assembly and Characterization of a Multimode EDFA using Digital Holography

    Alvarado-Zacarias, J. C., Fontaine, N. K., Ryf, R., Chen, H., Van Der Heide, S., Antonio-Lopez, J. E., Wittek, S., Li, G., Okonkwo, C., Bigot-Astruc, M., Amezcua-Correa, A., Sillard, P. & Amezcua-Correa, R., mrt 2020, 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings. Institute of Electrical and Electronics Engineers, 3 blz. 9083557

    Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

  • Digital Resolution Enhancer Employing Clipping for High-Speed Optical Transmission

    van den Hout, M., van der Heide, S. & Okonkwo, C. M., 1 jun 2020, In : Journal of Lightwave Technology. 38, 11, blz. 2897-2904 8 blz., 9072508.

    Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

  • 1 Citaat (Scopus)

    DSP-Based Mode-Dependent Loss and Gain Estimation in Coupled SDM Transmission

    Ospina, R. S. B., Okonkwo, C. & Mello, D. A. A., mrt 2020, 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings. Institute of Electrical and Electronics Engineers, 3 blz. 9083439

    Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

  • Prijzen

    Asia Communications and Photonics Conference(ACP) 2018 Best Paper Award

    Bin Chen (Ontvanger), Y. Lei (Ontvanger), Domaniç Lavery (Ontvanger), C.M. Okonkwo (Ontvanger) & Alex Alvarado (Ontvanger), 28 nov 2018

    Prijs: AndersWerk, activiteit of publicatie gerelateerde prijzen (lifetime, best paper, poster etc.)Wetenschappelijk

  • European Conference on Optical Communications (ECOC) 2018 Student Paper Award

    S.P. van der Heide (Ontvanger), J.J.A. van Weerdenburg (Ontvanger) & Chigo Okonkwo (Ontvanger), 27 sep 2018

    Prijs: AndersWerk, activiteit of publicatie gerelateerde prijzen (lifetime, best paper, poster etc.)Wetenschappelijk

  • Optoelectronics and Communications Conference (OECC 2019) Best Paper Award

    Sjoerd van der Heide (Ontvanger), Bin Chen (Ontvanger), M. van den Hout (Ontvanger), Gabriele Liga (Ontvanger), Ton Koonen (Ontvanger), Hartmut Hafermann (Ontvanger), Alex Alvarado (Ontvanger) & Chigo Okonkwo (Ontvanger), jul 2019

    Prijs: AndersWerk, activiteit of publicatie gerelateerde prijzen (lifetime, best paper, poster etc.)Wetenschappelijk

  • Activiteiten

    • 2 Aangemelde presentatie
    • 1 Ontvangst van een academische bezoeker

    A.M. Velázquez-Benítez

    Chigo Okonkwo (Gastheer)
    6 okt 2018

    Activiteit: Types voor hosten van een bezoekerOntvangst van een academische bezoekerWetenschappelijk

    Towards Higher Density Space Division Multiplexed Transmission Systems

    Chigo Okonkwo (Spreker)
    21 nov 2015

    Activiteit: Types gesprekken of presentatiesAangemelde presentatieWetenschappelijk

    High density space division multiplexed transmission systems

    Chigo Okonkwo (Spreker)
    13 mei 2015

    Activiteit: Types gesprekken of presentatiesAangemelde presentatieWetenschappelijk

    Cursussen

    Research set-up

    1/09/18 → …

    Cursus

    Scriptie

    Channel Coding Gains in High Throughput and Long Reach Optical Transmission Systems

    Auteur: Sillekens, E. & Okonkwo, C., 25 jul 2015

    Begeleider: Okonkwo, C. (Afstudeerdocent 1)

    Scriptie/masterproef: Master

    Mode selective, full mode mixed launching in multi-mode fiber transmission systems

    Auteur: van Weerdenburg, J., 31 aug 2015

    Begeleider: Okonkwo, C. (Afstudeerdocent 1)

    Scriptie/masterproef: Master

    Probabilistic shaping employing advanced coding schemes for reach extension in high capacity optical transmission systems

    Auteur: van Eerdt, M., 30 aug 2016

    Begeleider: Okonkwo, C. (Afstudeerdocent 1)

    Scriptie/masterproef: Master