David Marpaung

professor, group leader

Meander room 127, phone: +31 53 489 7925,

Curriculum vitae ; Google Scholar Linkedin Twitter

Photo David Marpaung_March_2020

David Marpaung is a professor leading the Nonlinear Nanophotonics group. He is the co-chairholder of the Laser Physics and Nonlinear Optics chair.

David received his Ph.D. degree in electrical engineering from the University of Twente, the Netherlands in 2009. From 2009 to 2012 he was a postdoctoral researcher in the University of Twente, working on microwave photonic system integration for optical beamforming. He joined CUDOS University of Sydney, Australia in August 2012 as a research fellow. From 2015 to 2017 he was a senior research fellow leading the nonlinear integrated microwave photonics research activities in CUDOS University of Sydney.

David was the recipient of the 2015 Discovery Early Career Research Award (DECRA) from the Australian Research Council and the 2017 Vidi award from the Netherlands Organisation for Scientific Research (NWO).

His research interests include RF photonics, photonic integration, nonlinear optics, and phononics.

Carla Weber-van der Ploeg


Meander room 125, phone: +31 53 489 4179,

Working hours: Monday, Wednesday and Thursday from 8:30 until 17:00

carla-website-marpaung-nnp-2020Carla Weber has been working at the University of Twente since 1993. She started as a secretary at the university in the Supramolecular Chemistry and Technology group of David N. Reinhoudt. After ten years she switched to the MESA+ Institute for Nanotechnology where she worked as management assistant for 15 years. Since 2018 she has been working as secretary of the LPNO group.
Besides her work for the LPNO group, she started as the secretary of the FFNT (Female Faculty Network Twente) at the University of Twente as per June 2018.

In her free time, she is playing tennis, enjoys Zumba classes, likes skiing, hiking, watching crime series and reading crime novels.


Peter van der Slot

Senior Researcher 


Peter van der Slot is a senior researcher in the Laser Physics and Nonlinear Optics group. Peter received his Ph.D. degree in Applied Physics from the University of Twente, The Netherlands in 1992. From 1992 to 2003 he worked as a senior researcher for Nederlands Centrum voor Laser Research BV working on free-electron and solid-state laser systems. He joined the Laser Physics and Nonlinear Optics group of the faculty Science and Technology in 2003 and continued his research on free-electron lasers, solid-state lasers and moved into nonlinear optics. Over the years his focus changed from bulk optics to integrated photonics, focusing on hybrid integrated lasers, nonlinear optics in waveguides and the interaction of light and sound. 

radius suryadharma

postdoctoral researcher

Radius_in_DinoRadius joined the University of Twente in December 2019 as a postdoctoral researcher working on nonlinear phononics.

He received his Ph.D. degree in physics from Karlsruhe Institute of Technology, Germany, in 2019. His previous research include: multiple scattering theory, optical biosensing device and photonic crystal.

His research interests include photonic integration, nonlinear optics and scattering theory.


Roel Botter

PhD student

Roel BotterRoel Botter joins the group as a PhD student in January 2019. He is currently finishing his masters degree in Applied Physics at the Delft University of Technology. His previous research included building a frequency comb spectroscope, and looking into the possibilities of using laser speckle analysis to differentiate fluids and vessels under the influence of pulsatile flow.

Roel is currently working as an intern at ASML, where he is designing and building a setup for sensor qualification.


Okky Daulay

PhD student


Okky Daulay joins the group as a PhD student in January 2019. He is an officer and a researcher at Indonesian Air Force Research and Development Service Electronic Division. He is responsible for research and development of Radar, Avionics, Communication and Electronic Warfare technology.

He received his MSc degree in embedded systems from the University of Twente The Netherlands in 2018 and BEng degree in electrical engineering from National Defense Academy Japan in 2009. His research interests include microwave engineering and RF photonics in all their aspects and phased-array technology.

Gaojian Liu

PhD student


Gaojian Liu joins the group as a CSC visiting PhD student in October 2019. He is currently a PhD student in China Academy of Space Technology (Xi’an). His previous research included millimeter wave mixer and microwave photonics filter.
He received his MSc degree in electromagnetic field and microwave technology from China Academy of Space Technology (Xi’an) in 2017 and BEng degree in electronic information engineering from Zhejiang University in 2014. His research interests include millimeter wave circuit and system and microwave photonics signal processing.
In daily life, he enjoys swimming and running, and has run two half-marathon.

Yvan Klaver

PhD student


Yvan Klaver joined the group in June 2020 as a PhD student working on Nonlinear Phononics and Frequency Combs. He was  with LioniX International for his internship developing integrated mode-locked laser in a hybrid silicon nitride-indium phosphide circuit. His MSc thesis is focused  on microresonator Kerr optical frequency combs. 


Steven Kaixuan Ye

PhD student


Steven Kaixuan Ye will join the group as a PhD student in 2021. He received the bachelor degree in Microelectronic Science and Engineering from the Huazhong University of Science and Technology (HUST) at 2019. He is currently finishing his master degree in Electronic and Communication Engineering at the same university. His previous research includes power management circuits for integrated photonic devices, and traveling-wave electrodes for optical modulators.



Maarten eijkel

Master student

Maarten_EijkelMaarten Eijkel is currently a master student in Applied Physics
at the University of Twente since September 2018.

In the summer of 2018 he received his bachelors degree in Applied Physics on  an assignment in the field of quantum optics where he worked on building an experimental setup capable of violating Bell’s inequalities.

His interests include microwave photonics, making music and all types of (board) games.



Master student

Max_KiewietMax Kiewiet is a master student in Applied Physics at the University of Twente since September 2018.

He graduated his bachelors with his thesis about microbubble generation for medical acoustic sensing and has since made the switch towards nonlinear optics and microphotonics. In this field, he studies microwave filter creation using Stimulated Brillouin Scattering.

Besides his interest in microwave photonics, Max is interested in playing and coaching field hockey, hiking, and playing classical guitar.

Jasper van den Hoogen

Master student


Jasper van den Hoogen is a master student in Applied Physics at the University of Twente since September 2019.

Two months earlier at the research group across the hall (Complex Photonics Systems), he graduated his bachelors with a study on Förster Resonance Energy Transfer between Quantum dots emitting in the near infrared. Now he decided to walk 10 meters further each day to do a project on using Surface Acoustic Waves to modulate light in a Mach-Zehnder Interferometer. Later in the academic year he will start at the group with his master assignment.

In his free time he tries to make music and participates in athletics at the local student sport club.

Redlef Braamhaar

Master student


Redlef Braamhaar is currently a master student in Applied Physics at University of Twente, and has been since December 2018. He graduated at Saxion University of Applied Sciences on an assignment at DEMCON Focal developing tooling software for a hyper-spectral sensing and imaging system. He is currently working on an assignment for the group, and will be starting his master assignment here later this year.

His spare time is mostly spent on long reads and long-winded political tracts, although he enjoys the occasional book containing turgid political economy too.


Bjorn Jongebloed

MASTER student

BjornBjorn joined the group in April 2020 as a bacheor student working on the noise and linearity of SBS amplifiers. He is currently carrying out work on pulse-pumping of SBS waveguides. 



Roland Adelerhof

MASTER student

Roland AdelerhofRoland graduated his applied physics bachelors at COPS in 2019 where he worked with bifacial solar cells. Recently he has moved over to the Nonlinear Nanophotonics group to work on simulations surrounding optical waveguide tapers and now he will move towards simulating integrated optical-phononic devices for his masters assignment. His free time is primary spent playing volleyball and watching tv series.



Lou KAnger

MASTER student


Lou Kanger is a master student in Applied Physics at the University of Twente since 2020.
During the early stages of the pandemic, he graduated his bachelors at the Computational Chemical Physics group.
Here he worked on developing a machine learning model to examine and predict phase transitions in the 2D Ising model.

Currently he is working on a project at the group to control the properties of ring resonators.
Later this academic year, after the summer break, he will start at the group with his master assignment.

Besides studying, he likes to program, watch formula 1 and tries to go to the gym 2-3 times a week.

Thomas Zeinstra

Bachelor student

Thomas ZeinstraThomas became a bachelor student in Applied Physics in 2017. In the group, he is currently working on his bachelor thesis in the field of microwave photonics. He is working on the characterization of integrated programmable photonic circuits.
Next to his studies, he spends a good portion of his spare time on biking. 



Pieter van Essen

Bachelor student

Pieter van EssenPieter is working on SBS in silicon nitride ring resonator under the supervision of Yvan Klaver. In his  free time Pieter spends a lot of time on the hockey field, drawing and reading.






Xin Guo

Master student (2019-2020)

Current position: PhD student at the Photonic Research Group, Ghent University 

photo-Xin Guo

Xin carried out his master assignment in the group on the topic of on silicon photonics modulation transformation circuit. 





Tara van Abkoude

Bachelor student(2018)


Tara van Abkoude carried out a her bachelor assignment in the group in collaboration with LioniX International, on the topic of transimpedance amplifiers for on-chip photodetectors.