• 1533 Citations

Research output per year

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Personal profile


"Photonic integrated circuits are critical enablers for the modern internet and will enable a host of low-energy, high-speed, high-precision solutions for imaging, sensing, metrology and beyond."

Research profile

Kevin Williams is a Full Professor and Chair of the Photonic Integration research group at Eindhoven University of Technology (TU/e). His key fields of expertise include photonic integrated circuits, semiconductor lasers and their application in communications and sensing. Kevin’s research group explores the scaling properties of photonic circuits, enabling faster and more energy-efficient components and circuits.

The group builds on its know-how in active-passive monolithic InP integration, creating circuits with lasers, amplifiers, energy-efficient quantum well modulators, detectors, power splitters, filters and more all on the same chip. This is addressed within three main themes: Generic integration – a methodology for enabling many different circuits using the same platform technology and an important vehicle for researching and validating the latest photonic devices and processes.  Heterogeneous and hybrid integration – the technologies for combining and co-designing photonic components and circuits with Silicon Electronics and dielectric materials, Integrated nano-photonics – using InP membranes on Silicon for the miniaturization of components and the leveraging of sub-wavelength photonic structures in circuits.  Kevin teaches courses in design, electronics and photonics.

Academic background

Kevin Williams graduated in Electronic Engineering from the University of Sheffield and received his PhD from the School of Physics at the University of Bath in 1995.  He subsequently moved to the University of Bristol where he was awarded a Royal Society university research fellowship to study high speed and high power semiconductor lasers. In 2001, he moved to the University of Cambridge where he was also appointed a Fellow and lecturer at Churchill College Cambridge. He moved to the Electro-optic Communications group at TU/e in 2006 after receiving an EC Marie Curie Chair award. In 2011, he received a Vici award from the Dutch NWO to perform research into large-scale high-performance photonic integrated circuits.

He is presently leading the Photonic Integration group at the Institute of Photonic Integration (formerly known as the COBRA research institute). He has recently chaired the European Conference on Integrated Optics 2017 and serves as the Primary Guest Editor for the JSTQE special issue on InP integration photonics in 2018.

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Research Output

Dynamic properties of wavelength switching in a widely tunable semiconductor laser for optical coherence tomography

Pajković, R., Garbi, D., Williams, K. & Bente, E., 1 Jan 2020, Semiconductor Lasers and Laser Dynamics IX. Sciamanna, M., Michalzik, R., Panajotov, K. & Hofling, S. (eds.). SPIE, 8 p. 113560I. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11356).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • Electro-optic tuning of a monolithically integrated widely tuneable InP laser with free-running and stabilized operation

    Andreou, S., Williams, K. & Bente, E., 1 Apr 2020, In : Journal of Lightwave Technology. 38, 7, p. 1887-1894 8 p., 8894462.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
  • 59 Downloads (Pure)

    Indium phosphide membrane nanophotonic integrated circuits on silicon

    Jiao, Y., van der Tol, J., Pogoretskii, V., van Engelen, J., Kashi, A. A., Reniers, S., Wang, Y., Zhao, X., Yao, W., Liu, T., Pagliano, F., Fiore, A., Zhang, X., Cao, Z., Kumar, R. R., Tsang, H. K., van Veldhoven, R., de Vries, T., Geluk, E. J., Bolk, J. & 3 others, Ambrosius, H., Smit, M. & Williams, K., 1 Feb 2020, In : Physica Status Solidi (A) Applications and Materials Science. 217, 3, 12 p., 1900606.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
  • 38 Downloads (Pure)

    Indium Phosphide Photonic Circuits on Silicon Electronics

    Williams, K. A., Liu, X., Matters-Kammerer, M., Meighan, A., Spiegelberg, M., Van Der Tol, J. J. G. M., Trajkovic, M., Wale, M. J., Yao, W. & Zhang, X., 13 May 2020, 2020 Optical Fiber Communications Conference and Exhibition, OFC 2020 - Proceedings. Institute of Electrical and Electronics Engineers, 3 p. 9083390

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • InP membrane on silicon (IMOS) photonics

    van der Tol, J. J. G. M., Jiao, Y., van Engelen, J. P., Pogoretskiy, V., Kashi, A. & Williams, K. A., 1 Feb 2020, In : IEEE Journal of Quantum Electronics. 56, 1, p. 1-7 7 p., 6300107.

    Research output: Contribution to journalArticleAcademicpeer-review

  • 1 Citation (Scopus)
    8 Downloads (Pure)


    NWO Vici Award : Ultrafast optical processor chips

    Kevin Williams (Recipient), 2010

    Prize: NWOViciScientific

  • Royal Society University Fellowship

    Kevin Williams (Recipient), 1996

    Prize: OtherFellowships & membershipsScientific


    • 1 Membership of committee
    • 1 Contributed talk

    Feedback-insensitive Semiconductor Laser

    Daan Lenstra (Speaker), T.T.M. van Schaijk (Member), E.A.J.M. Bente (Member), K.A. Williams (Member)
    7 Mar 2018

    Activity: Talk or presentation typesContributed talkScientific


    Cordis Europe (External organisation)

    Kevin Williams (Member)

    Activity: Membership typesMembership of committeeScientific


    Circuit analysis

    1/09/15 → …



    1/09/12 → …


    Design methods for ICT systems

    1/09/02 → …


    Design methods for ICT systems

    1/09/18 → …


    Student theses

    Characterization and optimization of photodetectors in generic integration platform

    Author: den Haan, E., 30 Apr 2015

    Supervisor: Williams, K. (Supervisor 1), Leijtens, X. (Supervisor 2) & Pustakhod, D. (Supervisor 2)

    Student thesis: Master

    Study and modeling of DBR lasers with suppressed mode hopping

    Author: Luo, X., 30 Jun 2016

    Supervisor: Williams, K. (Supervisor 1)

    Student thesis: Master