

Professor, Group leader
David Marpaung
Meander room 127, phone: +31 53 489 7925, d.a.i.marpaung@utwente.nl
Curriculum vitae ; Google Scholar ; Linkedin ; Twitter
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.

Secretary
Carla Weber-van der Ploeg
Meander room 125, phone: +31 53 489 4179, LPNOtnw@utwente.nl
Working hours: Monday Wednesday and Thursday
Carla 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 Prof.dr.ir. 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 Female Faculty Network Twente at the University of Twente as per June 2018.

Senior Researcher
Peter J. M. van der Slot
Peter J. M. van der Slot is a senior researcher in the Nonlinear nanophotonics/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.

Senior Researcher
Bert Bastiaens
Bert Bastiaens is a senior researcher in the Nonlinear nanophotonics/Laser Physics and Nonlinear Optics group. After completing in 1981 his BSc study in Applied Physics at the HTS in Heerlen, he started as an engineer in the LPNO group working on high power gas lasers and plasma physics. He carried out an in-depth study on VUV excimer lasers for which he received a Ph.D. degree in Applied Physics from the University of Twente in 2000. Over the years, his scientific interest shifted from gas lasers to nonlinear optics in gases (High Harmonic Generation) and plasmonics. Lately he is focusing on nonlinear optics in waveguides and hybrid integrated lasers, including low-noise mode-locked diode lasers.

Technician
Redlef Braamhaar
Redlef Braamhaar is a technician in the Nonlinear nanophotonics/Adaptive Quantum Optics/Integrated Optical Systems group since March 2023. He finished his BSc study at Saxion University of Applied Sciences on an assignment at DEMCON Focal developing tooling software for a hyper-spectral sensing and imaging system. After that, he continued his study at University of Twente and obtained his MSc degree on polarization pulling in stimulated Brillouin scattering in 2023.
His spare time is mostly spent on long reads and long-winded political tracts. He enjoys the occasional book containing turgid political economy too.

Postdoc
Akhileshwar Mishra
Akhileshwar Mishra will join the group as a postdoc in 2022. He has done his masters from Indian Institute of science education and Research Thiruvananthapuram (IISER). Where he continued for his PhD in nonlinear optics. His major research interests are nonlinear optical phenomena of microresonators, microwave photonics and high purity lasers.

Ph. D. Student
Roel Botter
Roel 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.

Ph. D. Student
Okky Daulay
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.

Ph. D. Student
Gaojian Liu
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.

Ph. D. Student
Yvan Klaver
Yvan Klaver joined the group in June 2020 as a PhD student working on Nonlinear Photonics 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.

Ph. D. Student
Steven Kaixuan Ye
Steven Kaixuan Ye joins the group as a PhD student in 2021. He received the bachelor degree in Microelectronic Science and Engineering and master degree in Electronic and Communication Engineering from the Huazhong University of Science and Technology (HUST) at 2019 and 2021.
His research interests include stimulated Brillouin scattering in silicon waveguide and integrated microwave photonics.

Ph. D. Student
Zheng Zheng
Zheng Zheng will join the group as a PhD student in October 2022. Her master thesis is focused on building a program to analyze multi-channel microresonators on sensing application. She received her master degree in Nanotechnology from the University of Twente, and double-bachelor degree in Opto-electronic science and technology from Tianjin University and Finance from Nankai Univerisity.

Ph. D. Student
Akshay Keloth
Akshay Keloth will join the group as a PhD student in November 2022. He completed Integrated Masters in Photonics from Cochin University of Science and Technology in 2018. His master thesis was on ‘Studies on optical and structural properties of Zinc Oxide (ZnO) nanostructures grown by vapour phase transport’. From 2019, he worked as Project Associate at Centre for Nano Science and Engineering (CeNSE), Indian Institute of Science, Bangalore. His research interest include Silicon and Silicon nitride Photonic IC for sensing and quantum applications.

Ph. D. Student
Chuangchuang Wei
Chuangchuang Wei will join the group as a PhD student in 2023. He received the bachelor degree in Electronic Science and Technology from Nankai University in 2020. He is a third-year MSc student at the Institute of Semiconductor, Chinese Academy of Science, majoring in microwave photonics. His research interests focus on the 3D integrated microwave photonics and the fabrication of ultra-low loss microring resonators.

Ph. D. Student
Ahmet Tarık Işık
Ahmet Tarık Işık will join the group as a PhD student in 2023. He received the bachelor degree in Electrical and Electronics Engineering from Bilkent University in 2020. Currently, he is an MSc student in the same department. In his master thesis, he focuses on light-emitting nanophotonic devices.

Master Student
Maarten Eijkel
Maarten 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
Lou Kanger
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 Iasing 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.

Master Student
Jasper van den Hoogen
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.

Master Student
Randy te Morsche
Randy te Morsche is a master student in Applied Physics at the University of Twente since September 2021. In July 2021, he graduated his bachelor Applied Physics with an assignment in the LPNO group, on the simulation of nonlinear optical pulse propagation for supercontinuum generation. He will join the group again late in this academic year to investigate the control of coupled ring resonators. In his master’s assignment in 2023, he will work on Brillouin photonics in ring resonators.
In his spare time, he likes to play games, listen to music, and learn about astronomy and physics.

Master Student
Aldi Wista Fadhilah
Aldi Wista Fadhilah joins the group as an Intern for his Master Thesis in February 2023. He has a bachelor degree in Electronics Engineering from Padjadjaran University, and currently he is a student in Erasmus Joint Master Degree PSRS Program with specialization in Photonics and Machine Learning. He received an EMJMD scholarship from the European Union during his master study. Before joining the group, his research work was related to surface plasmon. He has interest in silicon photonic and nonlinear optics.
Besides, he likes to play badminton and tennis.

Bachelor Student
Sam Rappange
Sam Rappange is currently a bachelor student in Applied Physics at the University of Twente since 2019. For his bachelor’s assignment he will be working on finding new capabilities of an integrated microwave photonic chip.
In his spare time, he likes to play the piano and train for powerlifting competitions.

Bachelor Student
Martijn van den Berg
Martijn van den Berg is currently an applied physics bachelor student at the UT since 2018. For his bachelor assignment he will work on True Time Delay and Notch Filtering on a single photonic chip. During his bachelor I have been rowing very competitively (~20 hours a week) and won several national races last year. This year he has put his oars down to focus on his education more, however, he still coach the competitive rowers at D.R.V. Euros.
In his free time (still sometimes), he likes to row, cycle, make music, or go for a drink.
Alumni
Name | Current Position |
Radius Suryadharma (Postdoc 2021) | ASML |
Roland Adelerhof (Master student 2021) | Thales Netherlands |
Max Kiewiet (Master student 2021) | Ph. D. student at Ghent University Photonics Research Group |
Thomas Zeinstra (Bachelor student 2021) | Master student at University of Twente |
Pieter van Essen (Bachelor student 2021) | Master student at University of Twente |
Xin Guo (Master student 2020) | Ph. D. student at Ghent University Photonics Research Group |
Bjorn Jongebloed (Bachelor student 2020) | Master student at University of Twente |
Tara van Abkoude (Bachelor student 2019) | Trainee at TNO |