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Research profile

Xaveer Leijtens (1962) studied physics at the University of Amsterdam. He received his master degree with honors in 1988 and his Ph.D. degree in 1993 on research in the field of high energy physics.

In 1993 he joined the Photonic Integrated Circuits group at the Delft University of Technology. Since 2000 he is with the Institute for Photonic Integration (former COBRA research center) at the Eindhoven University of Technology, where he is associate professor in the Photonic Integration group. His interests focus on photonic IC design in generic integration technology.

From 2005 to 2008 he was chairman of the IEEE Photonics Society Benelux chapter (photonics-benelux.org). He is leading the design effort within the Joint European platform for InP-based Photonic Integration of Components and Circuits (JePPIX.eu) and is a core developer of the Nazca design tool (nazca-design.org). Dr. Leijtens was associate editor for IEEE Photonics Technology Letters (2007-2011). He (co-)authored over 350 scientific papers and conference contributions and 3 book chapters.

Fingerprint Dive into the research topics where Xaveer J.M. Leijtens is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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Research Output 1988 2019

112 Gb/s PAM-4 transmission over 1.5 km with an EAM in generic integration platform

Trajkovic, M., Benyahya, K., Simonneau, C., Blache, F., Debregeas, H., Provost, J. G., Williams, K. A. & Leijtens, X. J. M., 1 Jul 2019, OECC/PSC 2019 - 24th OptoElectronics and Communications Conference/International Conference Photonics in Switching and Computing 2019. Piscataway: Institute of Electrical and Electronics Engineers, 3 p. 8817746

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

pulse amplitude modulation
Pulse amplitude modulation

36 Gb/s operation of a BiCMOS driver and InP EAM using foundry platforms

Trajkovic, M., Zhang, X., Blache, F., Mekhazni, K., Matters-Kammerer, M. K., Debregeas, H., Leijtens, X. & Williams, K., 26 Sep 2019 3 p.

Research output: Contribution to conferencePaperAcademic

Open Access
direct current

High speed electro-absorption modulators in indium phosphide generic integration technologies

Trajkovic, M., 16 May 2019, Eindhoven: Technische Universiteit Eindhoven. 138 p.

Research output: ThesisPhd Thesis 1 (Research TU/e / Graduation TU/e)Academic

Open Access

High-speed energy-efficient InP photonic integrated circuit transceivers

Williams, K. A., Trajkovic, M., Rustichelli, V., Lemaître, F., Ambrosius, H. P. M. M. & Leijtens, X. J. M., 1 Jan 2019, Optical Interconnects XIX. Schroder, H. & Chen, R. T. (eds.). Bellingham: SPIE, Vol. 10924, 7 p. 1092411. (Proceedings of SPIE; vol. 10924)

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

Photonic Integrated Circuits
transmitter receivers
Energy Efficient

Increasing the speed of an InP-based integration platform by introducing high speed electro-absorption modulators

Trajkovic, M., Blache, F., Debregeas, H., Williams, K. & Leijtens, X., 1 Sep 2019, In : IEEE Journal of Selected Topics in Quantum Electronics. 25, 5, 8 p., 8701484

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
high speed


Photonic integrated devices

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Student theses

Automated photonic device design

Author: Pijl, J., 30 Aug 2016

Supervisor: van der Tol, J. (Supervisor 1) & Leijtens, X. (Supervisor 2)

Student thesis: Master

Characterization and optimization of photodetectors in generic intergation platform

Author: den Haan, E., 30 Apr 2015

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

Student thesis: Master

Tolerant and high performance 3x3 and 4x4 multimode interference couplers

Author: Van Vliet, E. M., 31 Oct 2014

Supervisor: Smit, M. (Supervisor 1), Leijtens, X. (Supervisor 2) & Pustakhod, D. (Supervisor 2)

Student thesis: Master