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Prof. dr. ir. Roel Baets

This person is working in this group since 1981.

Affiliation:	Ghent University - IMEC Department of Information Technology
Address:	Technologiepark-Zwijnaarde 15 9052 Gent Belgium
Office:	iGent, Office 140.019
Phone:	+32-9-264 3329
Fax:	+32-9-264 3593
E-mail:	Roel.Baets@UGent.be
ORCID:	0000-0003-1266-1319
ResearchGateID:	Roel Baets
LinkedIn:	Roel Baets
Research Area:	photonics
PhD Thesis:	Roel Baets, Theoretische en technologische aspekten bij het ontwerp en de vervaardiging van GaAs-AlGaAs halfgeleiderlasers, 1/1984

Roel Baets is full professor at Ghent University (UGent) and is associated with IMEC. He received an MSc degree in Electrical Engineering from UGent in 1980 and a second MSc degree from Stanford in 1981. He received a PhD degree from UGent in 1984. From 1984 till 1989 he held a postdoctoral position at IMEC. Since 1989 he has been a professor in the Faculty of Engineering and Architecture of UGent where he founded the Photonics Research Group. From 1990 till 1994 he has also been a part-time professor at Delft University of Technology and from 2004 till 2008 at Eindhoven University of Technology.
Roel Baets has mainly worked in the field of integrated photonics. He has made contributions to research on photonic integrated circuits, both in III-V semiconductors and in silicon, as well as their applications in telecom, datacom, sensing and medicine. Web of Science reports over 600 publications with an h-index over 60.
As part of a team of 8 professors Roel Baets leads the Photonics Research Group. With about 90 researchers this group is involved in numerous (inter)national research programs and has created four spin-off companies. The silicon photonics activities of the group are part of a joint research initiative with IMEC.
Roel Baets has led major research projects in silicon photonics in Europe. In 2006 he founded ePIXfab, the globally first Multi-Project-Wafer service for silicon photonics. Since then ePIXfab has evolved to become the European Silicon Photonics Alliance. Roel Baets is also director of the multidisciplinary Center for Nano- and Biophotonics (NB Photonics) at UGent, founded in 2010. He was co-founder of the European MSc programme in Photonics.
Roel Baets is an ERC grantee of the European Research Councile and a Methusalem grantee of the Flemish government. He is a Fellow of the IEEE, of the European Optical Society (EOS) and of the Optical Society (OSA). He is also a member of the Royal Flemish Academy of Belgium for Sciences and the Arts.

Specific Research Topics

Current Postdoctoral Researchers

Current PhD Students

Graduated PhDs

Patents

R. Baets, G. Morthier, Laser structure with distributed feedback and method of fabrication same
P. Bienstman, R. Baets, A system for guiding a beam of electromagnetic radiation
J. Stevens, P. Van Daele, R. Baets, Monolithic integration of an array of light-emitting elements and driver electronics
J. Willems, R. Baets, Integrated tunable optical filter
R. Baets, G. Morthier, Optical decision circuit and use thereof
M. Galarza, K. De Mesel, C. Aramburu, R. Baets, Semiconductor optical component utilizing leaky structures to match themode of rib waveguides to that of the fiber
G. Sarlet, J. Buus, R. Baets, Widely wavelength tunable integrated semiconductor device and method for widely wavelength tuning semiconductor devices
R. Baets, B. Demeulenaere, B. Dhoedt, S. Goeman, Optical system with a dielectric subwavelength structure having a high reflectivity and polarisation selectivity
S. Scheerlinck, D. Van Thourhout, R. Baets, Waveguide coupling probe and methods for manufacturing same
K. De Mesel, M. Galarza, Aramburo, R. Baets, Waveguide taper with lateral rib confinement waveguides
D. Taillaert, R. Baets, Fiber to waveguide coupler
J. Schrauwen, D. Van Thourhout, R. Baets, Method for wavelength trimming of optical components and optical components thus obtained
D. Delbeke, R. Baets, W. Bogaerts, E.M.P. Ryckeboer, Implantable sensor
F. Van Laere, D. Taillaert, D. Van Thourhout, R. Baets, Slanted segmented grating coupler
P.P.P. Debackere, S. Scheerlinck, R. Baets, P. Bienstman, Integrated surface mode biosensor
G. Roelkens, D. Vermeulen, D. Van Thourhout, R. Baets, method for reducing the polarization dependent loss
G. Roelkens, R. Baets, A. De Groote, A. Subramanian, P. Cardile, On-chip broadband light source
R. Baets, G. Roelkens, G. Morthier, Y. De Koninck, Laser light coupling into SOI CMOS photonic integrated circuit
R. Baets, A. Subramanian, N. Le Thomas, Molecular analysis device
G. Roelkens, D. Van Thourhout, R. Baets, G. van den Hoven, Method and system for multiplexer waveguide coupling
G. Roelkens, W. Bogaerts, R. Baets, D. Delbeke, Integrated spectrometers with single pixel detectors
R. Baets, G. Roelkens, E.M.P. Ryckeboer, Stationary wave integrated FTS with broadband operation
R. Baets, R. Bockstaele, K. Naessens, O. Rits, Method for providing an optical interface and devices according to such methods

Publications (1387)

International Journals

A. Vasiliev, M. Muneeb, J. Allaert, J. Van Campenhout, R. Baets, G. Roelkens, Integrated Silicon-on-Insulator Spectrometer with Single Pixel Readout for Mid-Infrared Spectroscopy, IEEE Journal on Selected Topics in Quantum Electronics, 24(6), p.8300207 (7 pages) (2018) .
A. Raza, S. Clemmen, P.C. Wuytens, M. Muneeb, M. V. Daele, J. Dendooven, C. Detavernier, A. Skirtach, R. Baets, ALD assisted nanoplasmonic slot waveguide for on-chip Enhanced Raman Spectroscopy, Applied Physics Letters - Photonics, 3(11), p.116105 (12 pages) (2018).
R. Wang, S. Sprengel, A. Vasiliev, G. Boehm, J. Van Campenhout, G. Lepage, P. Verheyen, R. Baets, M.-C. Amann, G. Roelkens, Widely tunable 2.3 um III-V-on-silicon Vernier lasers for broadband spectroscopic sensing, Photonics Research, 6(9), p.858 (2018) .
C. Trompoukis, A. Abass, J.-W. Schuttauf, T. Bosserez, J. Ronge, J. Lauwaerts, J. A. Martens, R. Baets, Porous multi-junction thin-film silicon solar cells for scalable solar water splitting, Solar Energy Materials and Solar Cells, 182, p.196-203 (2018).
F. Peyskens, P.C. Wuytens, A. Raza, VAN DORPE, Pol, R. Baets, Waveguide excitation and collection of surface-enhanced Raman scattering from a single plasmonic antenna, Nanophotonics, 7(7), p.1299–1306 (2018) .
Y. Li, J. Zhu, M. Duperron, P. O'Brien, R. Schuler, S. Aasmul, M. De Melis, M. Kersemans, R. Baets, Six-beam homodyne laser Doppler vibrometry based on silicon photonics technology, Optics Express, 26(3), p.3638-3645 (2018) .
N. Le Thomas, A. Dhakal, A. Raza, F. Peyskens, R. Baets, Impact of fundamental thermodynamic fluctuations on light propagating in photonic waveguides made of amorphous materials, Optica, 5(4), p.328-336 (2018) .
H. Zhao, S. Clemmen, A. Raza, R. Baets, Stimulated Raman spectroscopy of analytes evanescently probed by a silicon nitride photonic integrated waveguide, Optics Letters, 43(6), p.1403-1406 (2018) .
S. Kumari, E. P. Haglund, J. Gustavsson, A. Larsson, G. Roelkens, R. Baets, Vertical-cavity silicon-integrated laser with in-plane waveguide emission at 850 nm, Lasers & Photonics Reviews, 12(2), p.1700206 (2018).
K. Koskinen, R. Czaplicki, A. Slablab, T. Ning, A. Hermans, B. Kuyken, V. Mittal, G. S. Murugan, T. Niemi, R. Baets, M. Kauranen, Enhancement of bulk second-harmonic generation from silicon nitride films by material composition, Optics Letters, 42(23), p.5030-5033 (2017) .
R. Wang, S. Sprengel, G. Boehm, R. Baets, M.-C. Amann, G. Roelkens, Broad wavelength coverage 2.3 μm III-V-on-silicon DFB laser array, Optica, 4(8), p.972-975 (2017) .
R. Wang, A. Vasiliev, M. Muneeb, A. Malik, S. Sprengel, G. Boehm, M.-C. Amann, I. Šimonytė, A. Vizbaras, K. Vizbaras, R. Baets, G. Roelkens, III-V-on-Silicon Photonic Integrated Circuits for Spectroscopic Sensing in the 2-4 μm Wavelength Range, Sensors (invited), 17(8), p.1788 (21 pages) (2017) .
A. Larsson, E. Haglund, J. Gustavsson, S. Kumari, G. Roelkens, R. Baets, Empowering silicon with vertical-cavity lasers, Compound Semiconductor, 23(5), p.40-45 (2017) .
Z. Wang, A. Abbasi, U.D. Dave, A. De Groote, S. Kumari, B. Kunert, C. Merckling , M. Pantouvaki, Y. Shi, B. Tian, K. Van Gasse, J. Verbist, R. Wang, W. Xie, J. Zhang, Y. Zhu, J. Bauwelinck, X. Yin, Z. Hens, J. Van Campenhout, B. Kuyken, R. Baets, G. Morthier, D. Van Thourhout, G. Roelkens, Novel light source integration approaches for silicon photonics, Laser & Photonics Reviews, 11(4), p.1700063 (21 pages) (2017) .
S. Kumari, J. S. Gustavsson, E. P. Haglund, J. Bengtsson, A. Larsson, G. Roelkens, R. Baets, Design of an 845 nm GaAs vertical-cavity silicon integrated laser with an intra-cavity grating for coupling to a SiN waveguide circuit , IEEE Photonics Journal, 9(4), p.1504109 (2017) .
H. D'heer, C. Lerma Arce, S. Vandewiele, J. Watté, K. Huybrechts, R. Baets, D. Van Thourhout, Non-volatile Liquid Controlled Adiabatic Silicon Photonics Switch, Journal of Lightwave Technology, 35(14), p.2948-2954 (2017) .
P.C. Wuytens, A.G. Skirtach, R. Baets, On-Chip Surface-Enhanced Raman Spectroscopy using Nanosphere-Lithography Patterned Antennas on Silicon Nitride Waveguides, Optics Express, 25(11), p.12926-12934 (2017) .
X. Nie, E.M.P. Ryckeboer, G. Roelkens, R. Baets, CMOS-compatible broadband co-propagative stationary Fourier transform spectrometer integrated on a silicon nitride photonics platform, Optics Express, 25(8), United States, p.A409-A418 (2017) .
A. Hermans, C. Kieninger, K. Koskinen, A. Wickberg, E. Solano, J. Dendooven, M. Kauranen, S. Clemmen, M. Wegener, C. Koos, R. Baets, On the determination of chi(2) in thin films: a comparison of one-beam second-harmonic generation measurement methodologies, Scientific Reports, 7, p.44581 (2017) .
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 (2017) .
A. Rahim, E.M.P. Ryckeboer, A. Subramanian, S. Clemmen, B. Kuyken, A. Raza, A. Hermans, M. Muneeb, S. Dhoore, Y. Li, U.D. Dave, P. Bienstman, N. Le Thomas, G. Roelkens, D. Van Thourhout, Helin, Philiplle, Severi, Simone, Rottenberg, Xavier, R. Baets, Expanding the Silicon Photonics Portfolio with Silicon Nitride Photonic Integrated Circuits, Journal of Lightwave Technology (invited), 35(4), p.639-649 (2017) .
A. Dhakal, P.C. Wuytens, A. Raza, N. Le Thomas, R. Baets, Silicon Nitride Background in Nanophotonic Waveguide Enhanced Raman Spectroscopy, Materials, 10(140), (2017) .
E.P. Haglund, S. Kumari, E. Haglund, J.S. Gustavsson, R. Baets, G. Roelkens, A. Larsson, Silicon-integrated hybrid-cavity 850-nm VCSELs by adhesive bonding: impact of bonding interface thickness on laser performance , IEEE Journal of Selected Topics in Quantum Electronics, 23(6), p.1700109 (9 pages) (2017) .
A. Dhakal, P.C. Wuytens, F. Peyskens, K. Jans, N. Le Thomas, R. Baets, Nanophotonic waveguide enhanced Raman spectroscopy of biological submonolayers, ACS Photonics, 3(12), p.2141-2149 (2016).
R. Wang, Stephan Sprengel, A. Malik, A. Vasiliev, Gerhard Boehm, R. Baets, Markus-Christian Amann3, G. Roelkens, Heterogeneously integrated III-V-on-silicon 2.3x μm distributed feedback lasers based on a type-II active region , Applied Physics Letters , 109(22), p.221111 (2016) .
A. Vasiliev, A. Malik, M. Muneeb, B. Kuyken, R. Baets, G. Roelkens, On-Chip Mid-Infrared Photothermal Spectroscopy using Suspended Silicon-on-Insulator Microring Resonators, ACS Sensors, 1(11), p.1301-1307 (2016).
R. Wang, Stephan Sprengel, Gerhard Boehm, M. Muneeb, R. Baets, Markus-Christian Amann3, G. Roelkens, 2.3 μm range InP-based type-II quantum well Fabry-Perot lasers heterogeneously integrated on a silicon photonic integrated circuit, Optics Express, 24(18), p.21081 (2016) .
Luis Hoffman, A. Subramanian, Philippe Helin, , Bert Du Bois, R. Baets, Pol Van Dorpe, Georges Gielen, Robert Peurs, Dries Bracken, Low Loss CMOS-compatible PECVD Silicon Nitride Waveguides and Grating Couplers for Blue Light Optogenetic Applications, Photonics, (2016) .
A. Dhakal, F. Peyskens, S. Clemmen, A. Raza, P.C. Wuytens, H. Zhao, N. Le Thomas, R. Baets, Single mode waveguide platform for spontaneous and surface-enhanced on-chip Raman spectroscopy, Interface Focus (invited), 6(4), United Kingdom, p.article 20160015 (2016).
A. De Groote, P. Cardile, A. Subramanian, A. Fecioru, C. Bower, D. Delbeke, R. Baets, G. Roelkens, Transfer-printing-based integration of single-mode waveguide-coupled III-V-on-silicon broadband light emitters, Optics Express, 24(13), p.13754-13762 (2016).
R. Van Laer, R. Baets, D. Van Thourhout, Unifying Brillouin scattering and cavity optomechanics, Physical Review A, 93(5), p.1-15 (2016) .
E. P. Haglund, S. Kumari, P. Westbergh, J. Gustavsson, R. Baets, G. Roelkens, A.Larsson, 20 Gb/s modulation of silicon-integrated short-wavelength hybrid-cavity VCSELs, Photonics Technology Letters, 28(8), p.856-858 (2016) .
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, Journal of nanophotonics (invited), (2016) .
R. Wang, M. Muneeb, Stephan Sprengel, Gerhard Boehm, A. Malik, R. Baets, Markus-Christian Amann3, G. Roelkens, III-V-on-silicon 2-μm-wavelength-range wavelength demultiplexers with heterogeneously integrated InP-based type-II photodetectors, Optics Express, 24(8), p.8480 (2016) .
F. Peyskens, A. Dhakal, P. Van Dorpe, N. Le Thomas, R. Baets, Surface Enhanced Raman Spectroscopy Using a Single Mode Nanophotonic-Plasmonic Platform, ACS Photonics, 3(1), p.102-108 (2016).
C. Scarcella, J.S. Lee, C. Eason, M. Antier, J. Bourderionnet, C. Larat, E. Lallier, A. Brignon, T. Spuesens, P. Verheyen, P. Absil, R. Baets, P. O'Brien, PLAT4M: Progressing Silicon Photonics in Europe, Photonics 2016: Special Issue on Hybrid and Heterogeneous Technologies in Photonics Integrated Circuits, 3(1), (2015) .
P.C. Wuytens, A. Subramanian, W. H. De Vos, A. G Skirtach, R. Baets, Gold nanodome-patterned microchips for intracellular surface-enhanced Raman spectroscopy, Analyst, 140(24), p.8080-8087 (2015) .
E.P. Haglund, S. Kumari, P. Westbergh, J. Gustavsson, G. Roelkens, R. Baets, A. Larsson, Silicon-integrated short-wavelength hybrid-cavity VCSEL, Optics Express, 23(26), p.33634-33640 (2015) .
O. G. Lopez, D. Van Thourhout, D. Lasaosa, M. Lopz-Amo, R. Baets, M. Galarza, Vertically coupled microring resonators using one epitaxial growth step and single-side lithography, Optics Express, 23(4), p.5317-5326 (2015) .
S. Clemmen, A. Hermans, E. Solano, J. Dendooven, K. Koskinen, M. Kauranen, E. Brainis, C. Detavernier, R. Baets, Atomic layer deposited second order nonlinear optical metamaterial for back-end integration with CMOS-compatible nanophotonic circuitry, Optics Letters, 40(22), p.5371 (2015).
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), (2015) .
K.S. Kaur, A. Subramanian, P. Cardile, R. Verplancke, J. Van Kerrebrouck, S. Spiga, R. Meyer, J. Bauwelinck, R. Baets, G. Van Steenberge, Flip-chip assembly of VCSELs to silicon grating couplers via laser fabricated SU8 prisms, Optics Express, 23(22), p.28264 (2015) .
A. Dhakal, A. Raza, F. Peyskens, A. Subramanian, S. Clemmen, N. Le Thomas, R. Baets, Efficiency of evanescent excitation and collection of spontaneous Raman scattering near high index contrast channel waveguides, Optics express, 23(21), p.27391-27404 (2015) .
R. Wang, Stephan Sprengel, M. Muneeb, Gerhard Boehm, R. Baets, Markus-Christian Amann, G. Roelkens, 2 μm wavelength range InP-based type-II quantum well photodiodes heterogeneously integrated on silicon photonic integrated circuits, Optics Express, 23(20), United States, p.26834-26841 (2015) .
G. Roelkens, A. Abbasi, P. Cardile, U.D. Dave, A. De Groote, Y. De Koninck, S. Dhoore, X. Fu, A. Gassenq, N. Hattasan, Q. Huang, S. Kumari, S. Keyvaninia, B. Kuyken, L. Li, P. Mechet, M. Muneeb, D. Sanchez, H. Shao, T. Spuesens, A. Subramanian, S. Uvin, M. Tassaert, K. Van Gasse, J. Verbist, R. Wang, Z. Wang, J. Zhang, J. Van Campenhout, Y. Xin, J. Bauwelinck, G. Morthier, R. Baets, D. Van Thourhout, III-V-on-silicon photonic devices for optical communication and sensing, Photonics (invited), 2(3), p.969-1004 (2015) .
A. Subramanian, E.M.P. Ryckeboer, A. Dhakal, F. Peyskens, A. Malik, B. Kuyken, H. Zhao, S. Pathak, A. Ruocco, A. De Groote, P.C. Wuytens, D. Martens, F. Leo, W. Xie, U.D. Dave, M. Muneeb, Pol Van Dorpe, Joris Van Campenhout, W. Bogaerts, P. Bienstman, N. Le Thomas, D. Van Thourhout, Zeger Hens, G. Roelkens, R. Baets, Silicon and silicon nitride photonic circuits for spectroscopic sensing on-a-chip , Photonics Research (invited), 5(3), p.B47 (2015) .
H. Zhao, B. Kuyken, S. Clemmen, F. Leo, A. Subramanian, A. Dhakal, P. Helin, S. Simone, E. Brainis, G. Roelkens, R. Baets, Visible-to-near-infrared octave spanning suprcontinuum generation in a silicon nitride waveguide, Optics Letters, 40(10), United States, p.2177-2180 (2015) .
B. Kuyken, T. Ideguchi, S. Holzner, M. Yan, T. W. Hansch, J. Van Campenhout, P. Verheyen, S. Coen, F. Leo, R. Baets, G. Roelkens, N. Picque, An octave spanning mid-infrared frequency comb generated in a silicon nanophotonic wire waveguide, Nature Communications, 6(6310), (2015) .
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 (2015) .
F. Peyskens, A. Subramanian, P. Neutens, A. Dhakal, P. Van Dorpe, N. Le Thomas, R. Baets, Bright and dark plasmon resonances of nanoplasmonic antennas evanescently coupled with a silicon nitride waveguide, Optics Express, 23(3), p.3088-3101 (2015) .
Y. De Koninck, G. Roelkens, R. Baets, Electrically pumped 1550nm single mode III-V-on-silicon laser with resonant grating cavity mirrors, Lasers and Photonics Reviews, p.10.1002/lpor201400448 (2015).
D. Martens, A. Subramanian, S. Pathak, M. Vanslembrouck, P. Bienstman, W. Bogaerts, R. Baets, Compact Silicon Nitride Arrayed Waveguide Gratings for Very Near-infrared Wavelengths, Photonics Technology Letters, 27(2), p.137 - 140 (2015) .
G. Yurtsever, Nicolas Weiss, Jeroen Kalkman, Ton G. van Leeuwen, R. Baets, Ultra-compact silicon photonic integrated interferometer for swept-source optical coherence tomography, Optics Letters, 39(17), p.5228-5231 (2014) .
S. Vandewiele, T. Brans, L. Van Landschoot, K. Komorowska, S. Verstuyft, A. Subramanian, C. Hu, F. Beunis, R. Baets, Single mode air-clad liquid-core waveguides on a surface energy patterned substrate, Optics Letters, 39(16), p.4942-4945 (2014) .
A. De Groote, J.D. Peters, M.L. Davenport, M. Heck, R. Baets, G. Roelkens, J. Bowers, Heterogenously integrated III-V on silicon multi-bandgap super luminescent light emitting diode with 290nm optical bandwidth, Optics Letters, 39(16), p.4784-4787 (2014) .
A. Dhakal, A. Subramanian, P.C. Wuytens, F. Peyskens, N. Le Thomas, R. Baets, Evanescent excitation and collection of spontaneous Raman spectra using silicon nitride nanophotonic waveguides, Optics Letters, 39(13), p.4025-4028 (2014).
A. Campo, P. Segers, H. Heuten, I. Goovaerts, G. Ennekens, C. Vrints, R. Baets, J. Dirckx, Non-invasive technique for assessment of vascular wall stiffness using laser doppler vibrometry, Measurement Science and Technology, 25(6), p.Article number 065701 (2014) .
G. Roelkens, U.D. Dave, A. Gassenq, N. Hattasan, C. Hu, B. Kuyken, F. Leo, A. Malik, M. Muneeb, E.M.P. Ryckeboer, D. Sanchez, S. Uvin, R. Wang, Z. Hens, R. Baets, Y. Shimura, F. Gencarelli, B. Vincent, R. Loo, J. Van Campenhout, L. Cerutti, J.B. Rodriguez, E. Tournie, X. Chen, M. Nedeljkovic, Silicon-based photonic integration beyond the telecommunication wavelength range, IEEE Journal of Selected Topics in Quantum Electronics (invited), 20(4), p.8201511 (2014) .
E.M.P. Ryckeboer, R. Bockstaele, M. Vanslembrouck, R. Baets, Glucose sensing by waveguide-based absorption spectroscopy on a silicon chip, Biomedical optics express, 5(5), p.1636–1648 (2014) .
B. Kuyken, P. Verheyen, P. Tannouri, J. Van Campenhout, R. Baets, W. green, G. Roelkens, Generation of 3.6um radiation and telecom-band amplification by four-wave mixing in a silicon waveguide with normal group velocity dispersion, Optics Letters, 39(6), p.1349-1352 (2014) .
A. Khanna, A. Subramanian, Hayrinen, Markus, S. Selvaraja, Verheyen, Peter, D. Van Thourhout, Honkanen,Seppo, Lipsanen, Harri, R. Baets, Impact of ALD grown passivation layers on silicon nitride based integrated optic devices for very-near-infrared wavelengths, Optics Express, 22(5), p.5684-5692 (2014) .
G. Yurtsever, Boris Povazay, Aneesh Alex, Behrooz Zabihian, Wolfgang Drexler, R. Baets, Photonic integrated Mach-Zehnder interferometer with an on-chip reference arm for optical coherence tomography, Biomedical Optics Express, 5(4), p.1050-1061 (2014) .
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 (2014) .
J. Safioui, F. Leo, B. Kuyken, S. Selvaraja, R. Baets, P. Emplit, G. Roelkens, S. Massar, Supercontinuum generation in hydrogenated amorphous silicon waveguides at telecommunication wavelengths, Optics Express, 22(3), p.3089-3089 (2014) .
A. Subramanian, P. Neutens, A. Dhakal, R. Jansen, T. Claes, X. Rottenberg, F. Peyskens, S. Selvaraja, P. Helin, B. Du Bois, K. Leyssens, S. Severi, P. Deshpande, R. Baets, P. Van Dorpe, Low-loss singlemode PECVD silicon nitride photonic wire waveguides for 532-900 nm wavelength window fabricated within a CMOS pilot line, IEEE Photonics Journal, 5(6), p.2202809 (2013) .
E.M.P. Ryckeboer, J. Vierendeels, A. Lee, S. Werquin, P. Bienstman, R. Baets, Measurement of small molecule diffusion with an optofluidic silicon chip, Lab on a Chip, 13(22), p.4392 - 4399 (2013) .