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Prof. dr. ir. Raphael Van Laer  (Guest Professor)

This person worked in the group from 2012 till 2023.

Affiliation: Chalmers University of Technology
Department of Microtechnology and Nanoscience
E-mail: raphael.van.laer@chalmers.se
Twitter: @RaphaelVanLaer
ORCID: 0000-0001-6739-6247
LinkedIn: rvanlaer
Research Area: Photon-phonon interaction at the nanoscale.
PhD Thesis: Raphael Van Laer, Interactie tussen licht en geluid in nanoschaal siliciumgolfgeleiders, Light-Sound Interaction in Nanoscale Silicon Waveguides, 5/2016
RaphaelVan Laer
Raphael Van Laer received an MSc in Engineering Physics at Ghent University and KTH in 2011. He spent half a year in the Gaeta Group at Cornell University supported by a BAEF grant. He received a PhD in silicon photonics at Ghent University-imec in 2016, making contributions to integrated nonlinear optics and optomechanics. The results were recognized with an IEEE Graduate Student Scholarship and a VOCATIO award. Afterwards he worked mainly on thin-film lithium niobate, heterogeneous photonic integration, and quantum microwave-to-optics conversion as a Marie Skłodowska-Curie postdoctoral fellow at Stanford University.

Raphael Van Laer leads an interdisciplinary research team in photonics and quantum technologies at Chalmers University of Technology. He explores the flow of and interactions between light, sound, and microwaves for coherent classical and quantum information processing.
HHis team at Chalmers is supported by the Wallenberg Centre for Quantum Technology and by the European Research Council with a Starting Grant.
As of 2022, he is appointed as a guest professor at Ghent University.

Specific Research Topics

Publications (28)

    International Journals

  1. C. Op de Beeck, F. M. Mayor, S. Cuyvers, S. Poelman, J. F. Herrmann, O. Atalar, T. P. McKenna, B. Haq, W. Jiang, J. D. Witmer, G. Roelkens, A. H. Safavi-Naeini, R. Van Laer, B. Kuyken, III/V-on-lithium niobate amplifiers and lasers, Optica, 8(10), p. 1288-1289 doi:https://doi.org/10.1364/OPTICA.438620 (2021)  Download this Publication (4.8MB).
  2. J. D. Witmer, T. P. McKenna, P. Arrangoiz-Arriola, R. Van Laer, E. A. Wollack , F. Lin, A. K-Y Jen, J. Luo, A. H. Safavi-Naeini, A silicon-organic hybrid platform for quantum microwave-to-optical transduction, Quantum Science and Technology, 5, p.paper 034004 (21 pages) doi:10.1088/2058-9565/ab7eed (2020)  Download this Publication (4.1MB).
  3. A.H. Safavi-Naeini, D. Van Thourhout, R. Baets, R. Van Laer, Controlling phonons and photons at the wavelength scale: integrated photonics meets integrated phononics, Optica (invited), 6(2), p.213 doi:10.1364/OPTICA.6.000213 (2019)  Download this Publication (2.2MB).
  4. R. Van Laer, C. J. Sarabalis, R. Baets, D. Van Thourhout, A. H. Safavi-Naeini, Thermal Brillouin noise observed in silicon optomechanical waveguide, Journal of Optics, 19(4), p.044002 doi:10.1088/2040-8986/aa600d (2017)  Download this Publication (587KB).
  5. R. Van Laer, R. Baets, D. Van Thourhout, Unifying Brillouin scattering and cavity optomechanics, Physical Review A, 93(5), p.1-15 doi:10.1103/PhysRevA.93.053828 (2016)  Download this Publication (388KB).
  6. B. Kuyken, F. Leo, S. Clemmen, U.D. Dave, R. Van Laer, T. Ideguchi, H. Zhao, X. Liu, J. Safioui, S. Coen, S.P. Gorza, S. Selvaraja, S. Massar, R.M. Osgood Jr, P. Verheyen, J. Van Campenhout, R. Baets, W.M.J. Green, G. Roelkens, Nonlinear optical interactions in silicon waveguides, Nanophotonics (invited), doi:10.1515/nanoph-2016-0001 (2016)  Download this Publication (1.2MB).
  7. C. Wolff, R. Van Laer, M. J. Steel, B. J. Eggleton, C. G. Poulton, Brillouin resonance broadening due to structural variations in nanoscale waveguides, New Journal of Physics (invited), 18(025006), doi:10.1088/1367-2630/18/2/025006 (2016)  Download this Publication (1.8MB).
  8. R. Van Laer, A. Bazin, B. Kuyken, R. Baets, D. Van Thourhout, Net on-chip Brillouin gain based on suspended silicon nanowires, New Journal of Physics (invited), 17(115005), doi:10.1088/1367-2630/17/11/115005 (2015)  Download this Publication (1.6MB).
  9. R. Van Laer, B. Kuyken, D. Van Thourhout, R. Baets, Interaction between light and highly confined hypersound in a silicon photonic nanowire, Nature Photonics, 9(3), p.199-203 doi:10.1038/nphoton.2015.11 (2015)  Download this Publication (3.1MB).
  10. R. Van Laer, B. Kuyken, D. Van Thourhout, R. Baets, Analysis of enhanced stimulated Brillouin scattering in silicon slot waveguides, Optics Letters, 39(5), p.1242-1245 doi:10.1364/OL.39.001242 (2014)  Download this Publication (582KB).
      International Conferences

    1. P. Tiebot, R. Van Laer, D. Van Thourhout, Thermal tuning of Brillouin resonance in free standing silicon nanowire , Conference on Lasers and Electro-Optics, 2018, United States, p.paper JW2A.35 doi:10.1364/cleo_at.2018.jw2a.35 (2018)  Download this Publication (863KB).
    2. Y. Xing, A. Li, R. Van Laer, R. Baets, W. Bogaerts, Backscattering induced transmission noise and length dependent attenuation in silicon waveguides, 2016 IEEE Photonics Scociety Benelux Annual Symposium, Belgium, (2016)  Download this Publication (244KB).
    3. A. Li, Y. Xing, R. Van Laer, R. Baets, W. Bogaerts, Extreme Spectral Transmission Fluctuations in Silicon Nanowires Induced by Backscattering, IEEE International Conference on Group IV Photonics 2016, China, p.paper FB4 (2 pages) doi:10.1109/GROUP4.2016.7739068 (2016)  Download this Publication (2.4MB).
    4. P. Tiebot, R. Van Laer, B. Kuyken, D. Van Thourhout, Silicon socket layer for highly tunable phonon-phonon coupling in integrated circuits , Conference on Lasers and Electro-Optics (CLEO), doi:10.1364/cleo_at.2016.jth2a.115 (2016)  Download this Publication (831KB).
    5. Y. Xing, A. Li, R. Van Laer, R. Baets, W. Bogaerts, Backscatter Model for Nanoscale Silicon Waveguides , 24th International Workshop on Optical Wave & Waveguide Theory and Numerical Modelling (OWTNM 2016), Poland, p.paper OWTNM/O-18 (2016)  Download this Publication (615KB).
    6. A. Bazin, R. Van Laer, B. Kuyken, R. Baets, D. Van Thourhout, Net on-chip Brillouin continuous wave gain based on suspended silicon photonic nanowires , SPIE Photonic West 2016, United States, (2016)  Download this Publication (157KB).
    7. R. Van Laer, B. Kuyken, A. Bazin, R. Baets, D. Van Thourhout, Harnessing Photon-Phonon coupling in Integrated Optical Circuits, Frontiers in Optics (invited), United States, doi:10.1364/FIO.2015.FTu5C.1 (2015)  Download this Publication (242KB).
    8. R. Van Laer, A. Bazin, B. Kuyken, D. Van Thourhout, R. Baets, Towards silicon phononics: exploiting Brillouin scattering and cavity optomechanics in integrated circuits, Workshop on Optomechanics and Brillouin Scattering (WOMBAT) (invited), Australia, (2015).
    9. B. Kuyken, R. Van Laer, F. Leo, D. Van Thourhout, R. Baets, G. Roelkens, T. Ideguchi, S. Holzner, M. Yan, A. De Rossi,, F. Raineri,, W. Green, N. Picque, Nonlinear Optics on a Silicon Platform for Broadband Light Generation and Ultrafast Information Processing, The 20th Optoelectronic and Communications Conference (OECC2015), China, p.paper JThE.22 doi:10.1109/oecc.2015.7340158 (2015)  Download this Publication (1.5MB).
    10. R. Van Laer, B. Kuyken, R. Baets, D. Van Thourhout, Unifying Brillouin scattering and cavity optomechanics in silicon photonic wires, Conference on Lasers and Electro-Optics (CLEO), United States, doi:10.1364/cleo_si.2015.sth4i.4 (2015)  Download this Publication (241KB).
    11. R. Van Laer, B. Kuyken, R. Baets, D. Van Thourhout, Brillouin scattering and optomechanics in silicon photonic nanowires, ITN-cQOM workshop , Switzerland, (2015)  Download this Publication (3.2MB).
    12. R. Van Laer, B. Kuyken, D. Van Thourhout, R. Baets, Highly efficient light-sound interaction in silicon photonic nanowires, IEEE Photonics Society Benelux, Netherlands, (2014).
    13. R. Van Laer, B. Kuyken, D. Van Thourhout, R. Baets, Observation of 4.4 dB Brillouin gain in a silicon photonic wire, IEEE Photonics Conference (IPC), United States, p.558-559 doi:10.1109/ipcon.2014.6995498 (2014).
    14. R. Van Laer, B. Kuyken, D. Van Thourhout, R. Baets, Demonstration of 4.4 dB on-off Brillouin gain in a silicon photonic wire, Nonlinear Photonics, Spain, p.JTu3A doi:10.1364/bgpp.2014.jtu3a.23 (2014).
    15. R. Van Laer, D. Van Thourhout, R. Baets, Strong stimulated Brillouin scattering in an on-chip silicon slot waveguide, Conference on Lasers and Electro-Optics (CLEO), United States, doi:10.1364/cleo_si.2013.cth3f.6 (2013)  Download this Publication (113KB).
    16. R. Van Laer, D. Van Thourhout, R. Baets, Brillouin scattering in silicon slot waveguides, ITN-cQOM workshop Diavolezza, Switzerland, doi:10.1364/cleo_at.2014.jw2a.52 (2013).
    17. R. Van Laer, D. Van Thourhout, R. Baets, An ultra-high frequency optomechanical oscillator, IEEE Photonics Society Benelux, Belgium, p.235-238 (2012)  Download this Publication (453KB).
      National Journals

    1. 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).
      Click here for a printable publication list.

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