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Dr. ir. Thomas Van Vaerenbergh (Postdoctoral Researcher)
This person worked in the group from 2010 till 2014.
Thomas Van Vaerenbergh investigates how excitability in photonic microcavities can be used to emulate spiking neural networks on a photonic chip.
Specific Research Topics
Current PhD Students
Publications (42)International Journals
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R. Shi, Fabian Bohm, T. Van Vaerenbergh, P. Bienstman,
Enhancing the performance of coherent Ising machines in the large-noise regime with a fifth-order nonlinearity, Optics Express, 32(12), p.21681-21695 doi:https://doi.org/10.1364/OE.522474 (2024) .
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W. Bogaerts, T. Van Vaerenbergh, D. Marris-Morini, J. Sun,
Introduction to the JSTQE Issue on Silicon Photonics, IEEE Journal on Selected Topics in Quantum Electronics (invited), 26(2), p.0200203 doi:10.1109/JSTQE.2020.2979333 (2020) .
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A. Li, T. Van Vaerenbergh, P. De Heyn, P. Bienstman, W. Bogaerts,
Backscattering in Silicon Microring Resonators: A Quantitative Analysis, Laser & Photonics Reviews, 10(3), p.420-431 doi:10.1002/lpor.201500207 (2016) .
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S. Dwivedi, A. Ruocco, M. Vanslembrouck, T. Spuesens, P. Bienstman, P. Dumon, T. Van Vaerenbergh, W. Bogaerts,
Experimental Extraction of Effective Refractive Index and Thermo-Optic Coefficients of Silicon-On-Insulator Waveguides using Interferometers, Journal of Lightwave Technology , 33(21), p.4471 - 4477 doi:10.1109/JLT.2015.2476603 (2015) .
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M. Hermans, M. Burm, T. Van Vaerenbergh, J. Dambre, P. Bienstman,
Trainable hardware for dynamical computing using error backpropagation through physical media, Nature Communications, 6, p.article 7729 ( 8 pages) doi:10.1038/ncomms7729 (2015) .
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T. Van Vaerenbergh, M. Fiers, J. Dambre, P. Bienstman,
Efficient simulation of optical nonlinear cavity circuits, Optical and Quantum Electronics, 47(6), p. 1471-1476 doi:10.1007/s11082-015-0123-4 (2015) .
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K.T Vandoorne, P. Mechet, T. Van Vaerenbergh, M. Fiers, G. Morthier, D. Verstraeten, B. Schrauwen, J. Dambre, P. Bienstman,
Experimental demonstration of a reservoir computing on a silicon photonics chip, Nature Communications, 5, p.1-6 doi:10.1038/ncomms4541 (2014) .
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M. Fiers, T. Van Vaerenbergh, F. Wyffels, D. Verstraeten, B. Schrauwen, J. Dambre, P. Bienstman,
Nanophotonic reservoir computing with photonic crystal cavities to generate periodic patterns, IEEE Transactions on Neural Networks and Learning Systems, 25(2), p.344 - 355 doi:10.1109/tnnls.2013.2274670 (2014) .
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K. Alexander, T. Van Vaerenbergh, M. Fiers, P. Mechet, J. Dambre, P. Bienstman,
Excitability in optically injected microdisk lasers with phase controlled excitatory and inhibitory response, Optics Express, 21(22), p.26182-26191 doi:10.1364/oe.21.026182 (2013) .
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T. Van Vaerenbergh, K. Alexander, J. Dambre, P. Bienstman,
Excitation transfer between optically injected microdisk lasers, Optics Express, 21(23), p.28922-28932 doi:10.1364/oe.21.028922 (2013) .
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T. Van Vaerenbergh, J. Dambre, P. Bienstman, J.A. Levenson, A. Yacomotti,
Lumped circuit heat model of photonic crystal membrane nanocavities, IEEE Journal of Quantum Electronics, p.967 - 969 doi:10.1109/jqe.2013.2283576 (2013) .
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T. Van Vaerenbergh, M. Fiers, J. Dambre, P. Bienstman,
Simplified description of self-pulsation and excitability by thermal and free-carrier effects in semiconductor microcavities, Physical Review A, 86(6), p.063808 doi:10.1103/PhysRevA.86.063808 (2012) .
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T. Van Vaerenbergh, M. Fiers, P. Mechet, T. Spuesens, R. Kumar, G. Morthier, B. Schrauwen, J. Dambre, P. Bienstman,
Cascadable Excitability in microrings, Optics Express, 20(18), p.20292-20308 doi:10.1364/oe.20.020292 (2012) .
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M. Fiers, T. Van Vaerenbergh, K. Caluwaerts, D. Vande Ginste, B. Schrauwen, J. Dambre, P. Bienstman,
Time-domain and frequency-domain modeling of nonlinear optical components on circuit-level using a node-based approach, Journal of the Optical Society of America B, 29(5), p.896–900 doi:10.1364/josab.29.000896 (2012) .
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W. Bogaerts, P. De Heyn, T. Van Vaerenbergh, K. De Vos, S. Selvaraja, T. Claes, P. Dumon, P. Bienstman, D. Van Thourhout, R. Baets,
Silicon microring resonators, Lasers & Photonics Reviews, 6(1), p.47-73 doi:10.1002/lpor.201100017 (2012) .
International Conferences
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R. Shi, T. Van Vaerenbergh, F. Boehm, P. Bienstman,
Coherent Ising machines on photonic integrated circuits, IEEE Silicon Photonics Conference (SiPhotonics), Japan, (2024) .
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F. Pavanello, C. Marchand, I. O'Connor, ..., P. Bienstman, T. Van Vaerenbergh, ..., S. Di Carlo, A. Savino,
NEUROPULS: NEUROmorphic energy-efficient secure accelerators based on Phase change materials aUgmented siLicon photonicS, IEEE European Test Symposium (ETS), Italy, p.6 doi:10.1109/ETS56758.2023.10173974 (2023).
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F. Pavanello, E. Vatajelu, A. Bossio, T. Van Vaerenbergh, P. Bienstman, B. Charbonnier, A. Carpegna, S. Di Carlo, A. Savino,
Neuromorphic hardware design and reliability from traditional CMOS to emerging technologies, IEEE VLSI Test Symposium (VTS), United States, p.10 doi:10.1109/VTS56346.2023.10139932 (2023).
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G. Van der Sande, F. Bohm, K. Harkhoe, J. Pauwels, P. Bienstman, T. Van Vaerenbergh, G. Verschaffelt,
Time-multiplexed optical systems for reservoir computing and coherent Ising machines, Nanoscience + Engineering, p.118041Q doi:10.1117/12.2594700 (2021) .
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T. Van Vaerenbergh, S. Kumar, M. Abdelghany, F. Bohm, P. Bienstman, G. Verschaffelt, G. Van der Sande, J.P. Strachan, R.G. Beausoleil,
Broadening the set of algorithms and use-cases for analog combinatorial optimization accelerators, Nanoscience + Engineering, p.118041S doi:10.1117/12.2595405 (2021).
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S. Dwivedi, T. Van Vaerenbergh, A. Ruocco, T. Spuesens, P. Bienstman, P. Dumon, W. Bogaerts,
Measurements of Effective Refractive Index of SOI Waveguides using Interferometers, Integrated Photonics Research, Silicon and Nano Photonics (IPR 2015), United States, p.IM2A.6 doi:10.1364/iprsn.2015.im2a.6 (2015) .
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A. Li, T. Van Vaerenbergh, P. De Heyn, Y. Xing, P. Bienstman, W. Bogaerts,
Experimentally demonstrate the origin for asymmetric resonance splitting and contributions from couplers to backscattering in SOI microrings, Integrated Photonics Research, Silicon and Nano Photonics (IPR 2015), United States, p.IM2B.6 doi:10.1364/iprsn.2015.im2b.6 (2015) .
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A. Ruocco, M. Fiers, M. Vanslembrouck, T. Van Vaerenbergh, W. Bogaerts,
Multi-parameter extraction from SOI photonic integrated circuits using circuit simulation and evolutionary algorithms, Proc. SPIE, Smart Photonic and Optoelectronic Integrated Circuits XVII, 9366, United States, p.936606 doi:10.1117/12.2077564 (2015) .
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T. Van Vaerenbergh, M. Fiers, J. Dambre, P. Bienstman,
An optical delayline based on excitable microrings, IEEE Photonics Conference, United States, p.118-119 doi:10.1109/ipcon.2014.6995240 (2014) .
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T. Van Vaerenbergh, M. Fiers, J. Dambre, P. Bienstman,
Simulation of nonlinear optical resonator circuits, NUSOD 2014, Spain, p.103-104 doi:10.1109/nusod.2014.6935377 (2014) .
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T. Van Vaerenbergh, K. Alexander, M. Fiers, P. Mechet, J. Dambre, P. Bienstman,
Cascadable excitability in optically injected microdisks, Proc. SPIE 9134, Semiconductor Lasers and Laser Dynamics VI, 91341W, Belgium, doi:10.1117/12.2051962 (2014).
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T. Van Vaerenbergh, M. Fiers, J. Dambre, P. Bienstman,
Towards integrated optical spiking neural networks: delaying spikes on chip, Laser Dynamics and Nonlinear Photonics, 2013 Sixth "Rio De La Plata" Workshop on (invited), 1, Uruguay, p.9-12 doi:10.1109/LDNP.2013.6777418 (2013).
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P. Bienstman, K.T Vandoorne, T. Van Vaerenbergh, M. Fiers, B. Schneider, B. Schrauwen, J. Dambre,
Using silicon nanophotonics for digital and analog signal processing with reservoir computing, Progress In Electromagnetics Research Symposium (PIERS 2013) (invited), Sweden, p.64 (2013) .
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P. Bienstman, K.T Vandoorne, T. Van Vaerenbergh, M. Fiers, B. Schneider, B. Schrauwen, J. Dambre,
Using silicon nanophotonics for digital and analog signal processing with reservoir computing, Horizons de l'optique (invited), France, p.12 (2013) .
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T. Van Vaerenbergh, M. Fiers, P. Mechet, T. Spuesens, R. Kumar, G. Morthier, K.T Vandoorne, B. Schneider, B. Schrauwen, J. Dambre, P. Bienstman,
Characterization of cascadable excitability in a silicon-on-insulator microring, Proceedings of the 2012 Annual Symposium of the IEEE Photonics Society Belenux Chapter, Belgium, p.119-122 (2012) .
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T. Van Vaerenbergh, M. Fiers, P. Mechet, T. Spuesens, R. Kumar, G. Morthier, K.T Vandoorne, B. Schneider, B. Schrauwen, J. Dambre, P. Bienstman,
Self-pulsation and excitability mechanism in silicon-on-insulator microrings , 2012 Asia Communications and Photonics Conference (ACP), China, p.ATh4B.5 doi:10.1364/ACP.2012.ATh4B.5 (2012).
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P. Bienstman, K.T Vandoorne, T. Van Vaerenbergh, M. Fiers, B. Schneider, D. Verstraete, B. Schrauwen, J. Dambre,
Reservoir computing on nanophotonic chips, 2012 International symposium on Nonlinear Theory and its Applications (NOLTA 2012), Spain, p.506-508 doi:10.15248/proc.1.506 (2012) .
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M. Fiers, K.T Vandoorne, T. Van Vaerenbergh, J. Dambre, B. Schrauwen, P. Bienstman,
Optical Information Processing: Advances in Nanophotonic Reservoir Computing , International Conference on Transparent Optical Networks (invited), United Kingdom, doi:10.1109/icton.2012.6253889 (2012) .
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M. Fiers, T. Van Vaerenbergh, K. Caluwaerts, J. Dambre, P. Bienstman,
CAPHE: Time-domain and Frequency-domain Modeling of Nonlinear Optical Components, Advanced Photonics Congress, 2012 OSA, United States, p.paper IM2B.3 doi:10.1364/iprsn.2012.im2b.3 (2012) .
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T. Van Vaerenbergh, M. Fiers, K.T Vandoorne, B. Schneider, J. Dambre, P. Bienstman,
Towards a photonic spiking neuron: excitability in a silicon-on-insulator microring., 2012 International symposium on Nonlinear Theory and its Applications, Proceedings (NOLTA), Spain, p.767 - 770 doi:10.15248/proc.1.767 (2012) .
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P. De Heyn, D. Vermeulen, T. Van Vaerenbergh, B. Kuyken, D. Van Thourhout,
Ultra-high Q and finesse all-pass microring resonators on Silicon-on-Insulator using rib waveguides, 16th European Conference on Integrated Optics and technical exhibition, Spain, p.paper 195 (2012) .
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K.T Vandoorne, T. Van Vaerenbergh, M. Fiers, P. Bienstman, D. Verstraeten, B. Schrauwen, J. Dambre,
Photonic reservoir computing and information processing with coupled semiconductor optical amplifiers, Fifth ‘RIO DE LA PLATA’ Workshop on Laser Dynamics and Nonlinear Photonics (invited), Uruguay, p.1-3 doi:10.1109/LDNP.2011.6162079 (2011) .
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M. Fiers, T. Van Vaerenbergh, P. Dumon, K. Caluwaerts, B. Schrauwen, J. Dambre, P. Bienstman,
CAPHE: a circuit-level time-domain and frequency-domain modeling tool for nonlinear optical components., 16th Annual Symposium of the IEEE Photonics Benelux Chapter, (2011) .
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D. Vermeulen, P. De Heyn, T. Van Vaerenbergh, W. Bogaerts, G. Roelkens,
Silicon-on-Insulator polarization rotating micro-ring resonator, IEEE Photonics Conference (IPC), United States, p.875-876 doi:10.1109/pho.2011.6110837 (2011) .
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K.T Vandoorne, M. Fiers, T. Van Vaerenbergh, D. Verstraeten, B. Schrauwen, J. Dambre, P. Bienstman,
Advances in photonic reservoir computing on an integrated platform, International Conference on Transparent Optical Networks (ICTON) (invited), Sweden, p.Mo.B5.5 doi:10.1109/icton.2011.5970791 (2011) .
National Journals
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B. Geers, B. Kuyken, P.C. Wuytens, R. Van Laer, T. Van Vaerenbergh,
Laat er licht zijn: Fotonica, Eos magazine, 32(9), p.82-85 (2014).
National Conferences
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T. Van Vaerenbergh, M. Fiers, K.T Vandoorne, J. Dambre, P. Bienstman,
Photonic Reservoir Computing using thermal nonlinearities in microrings, 12th FEA PhD Symposium, (2011) .
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