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Dr. ir. Shankar Kumar Selvaraja 

This person worked in the group from 2006 till 2013.

Affiliation: Indian Institute of Science, Bangalore, India
E-mail: selva.shankar@gmail.com
Research Area: Silicon nanophotonics
Promotors: Wim Bogaerts and Dries Van Thourhout
PhD Thesis: Shankar Kumar Selvaraja, Fabricagetechnologieen op waferschaal voor fotonische geintegreerde circuits in silicium, Wafer-Scale Fabrication Technology for Silicon Photonic Integrated Circuits, 2/2011
Shankar KumarSelvaraja

Specific Research Topics

Patents

Publications (94)

    International Journals

  1. 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)  Download this Publication (1.2MB).
  2. W. Xie, M. Fiers, S. Selvaraja, P. Bienstman, J. Van Campenhout, Philippe Absil, D. Van Thourhout, High-Q Photonic Crystal Nanocavities on 300mm SOI Substrate Fabricated With 193 nm Immersion Lithography, Journal of Lightwave Technology, 32(18), p.1457 - 1462 (2014)  Download this Publication (415KB).
  3. 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)  Download this Publication (1.5MB).
  4. D.-X. Xu, J. H. Schmid, G. T. Reed, G. Z. Mashanovich, D. J. Thomson, M. Nedeljkovic, X. Chen, D. Van Thourhout, S. Keyvaninia, S. Selvaraja, Silicon photonic integration platform – Have we found the sweet spot?, IEEE Journal of Selected Topics in Quantum Electronics (invited), 20(4), (2014)  Download this Publication (1.1MB).
  5. S. Selvaraja, M. Schaekers, W. Bogaerts, D. Van Thourhout, Deposited amorphous silicon-on-insulator technology for nano-photonic integrated circuits, Optics Communications, 313, p.210-216 (2014)  Download this Publication (990KB).
  6. 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)  Download this Publication (1.3MB).
  7. U.D. Dave, S. Uvin, B. Kuyken, S. Selvaraja, F. Leo, G. Roelkens, Telecom to mid-infrared spanning supercontinuum generation in hydrogenated amorphous silicon waveguides using a Thulium doped fiber laser pump source, Optics Express, 21(26), p.32032-32039 (2013)  Download this Publication (1.1MB).
  8. 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)  Download this Publication (683KB).
  9. D. Korn, R. Palmer, H. Yu, P.C. Schindler, L. Alloatti, M. Baier, R. Schmogrow, W. Bogaerts, S. Selvaraja, G. Lepage, M. Pantrouvaki, J.M.D. Wouters, P. Verheyen, J. Van Campenhout, B. Chen, R. Baets, P. Absil, R. Dinu, C. Koos, W. Freude, J. Leuthold, Silicon-organic hybrid (SOH) IQ modulator using the linear elctro-optic effect for transmitting 16QAM at 112 Gbit/s, Optics Express, 21(11), p.13219-13227 (2013)  Download this Publication (2.1MB).
  10. D. Korn, R. Palmer, H. Yu, P.C. Schindler, L. Alloati, M. Baier, R. Schmorow, W. Bogaerts, S. Selvaraja, G. Lepage, M. Pantouvaki, J.M.D. Wouters, P. Verheyen, J. Van Campenhout, B. Chen, R. Baets, P. Absil, R. Dinu, C. Koos, W. Freude, J. Leuthold, Silicon-organic hybrid (SOH) IQ modulator using the linear electro-optic effect for transmitting 16QAM at 112 Gbit/s , Optics Express, 21(11), p.13219-13227 (2013)  Download this Publication (2.2MB).
  11. A. Subramanian, S. Selvaraja, P. Verheyen, A. Dhakal, K. Komorowska, R. Baets, Near infrared grating couplers for silicon nitride photonic wires, IEEE Photonics Technology Letters, 24(19), p.1700-1703 (2012)  Download this Publication (411KB).
  12. D. Vermeulen, S. Selvaraja, P. Verheyen, P. Absil, W. Bogaerts, D. Van Thourhout, G. Roelkens, Silicon-on-insulator polarization rotator based on a symmetry breaking silicon overlay, IEEE Photonics Technology Letters, 24(6), p.482-484 (2012)  Download this Publication (1.3MB).
  13. L. Wang, W. Bogaerts, P. Dumon, S. Selvaraja, T. Jie, S. Pathak, X. Han, J. Wang, X. Jian, M. Zhao, R. Baets, G. Morthier, Athermal AWGs in SOI by overlaying a polymer cladding on narrowed arrayed waveguides, Applied Optics, 51(9), p.1251-1256 (2012)  Download this Publication (755KB).
  14. 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 (2012)  Download this Publication (1.9MB).
  15. B. Kuyken, H. Ji, S. Clemmen, S. Selvaraja, J. Safiouui, H. Hu, M. Pu, M. Galili, P. Jeppesen, G. Morthier, S. Massar, L.K. Oxenlowe, G. Roelkens, R. Baets, Nonlinear properties of and nonlinear processing in hydrogenated amorphous silicon waveguides, Optics Express, 19(26), p.B146-B153 (2011)  Download this Publication (1.2MB).
  16. G. Roelkens, D. Vermeulen, S. Selvaraja, R. Halir, W. Bogaerts, D. Van Thourhout, Grating-based optical fiber interfaces for silicon-on-insulator photonic integrated circuits , IEEE Journal of Selected Topics in Quantum Electronics (invited), (2011)  Download this Publication (983KB).
  17. W. Bogaerts, S. Selvaraja, Compact Single-mode Silicon Hybrid Rib/Strip Waveguide with Adiabatic Bends, IEEE Photonics Journal, 3(3), p.422-232 (2011)  Download this Publication (1.2MB).
  18. B. Kuyken, S. Clemmen, S. Selvaraja, W. Bogaerts, D. Van Thourhout, Ph. Emplit, S. Massar, G. Roelkens, R. Baets, On-chip parametric amplification with 26.5dB gain at telecommunication wavelengths using CMOS-compatible hydrogenated amorphous silicon waveguides, Optics Letters, 36(4), p.552-554  (2011)  Download this Publication (246KB).
  19. S. Selvaraja, W. Bogaerts, D. Van Thourhout, Loss reduction in silicon nanophotonic waveguide micro-bends through etch profile improvement, Optics Communications, 284(8), p.2141-2144 (2011)  Download this Publication (678KB).
  20. S. Clemmen, A. Perret, S. Selvaraja, W. Bogaerts, D. Van Thourhout, R. Baets, Ph. Emplit, S. Massar, Generation of correlated photons in hydrogenated amorphous silicon waveguides, Optics letters, 35(20), p.3483-3485  (2010)  Download this Publication (140KB).
  21. D. Van Thourhout, T. Spuesens, S. Selvaraja, L. Liu, G. Roelkens, R. Kumar, G. Morthier, P. R. -Romeo, , F. Mandorlo, O. Raz, C. Kopp, L. Grenouillet, Nanophotonic Devices for Optical Interconnect, IEEE JSTQE (invited), 16(5), p.1363-1375 (2010)  Download this Publication (1.7MB).
  22. S. Selvaraja, W. Bogaerts, D. Van Thourhout, M. Schaekers, Thermal trimming and tuning of hydrogenated amorphous silicon nano-photonic devices, Applied Physics Letters, 97 (7), (2010)  Download this Publication (456KB).
  23. D. Vermeulen, S. Selvaraja, P. Verheyen, G. Lepage, W. Bogaerts, P. Absil, D. Van Thourhout, G. Roelkens, high-efficiency fiber-to-chip grating couplers realized using an advanced CMOS-compatible silicon-on-insulator platform, Optics Express, 18(17), p.18278-18283 (2010)  Download this Publication (744KB).
  24. G. Roelkens, D. Vermeulen, F. Van Laere, S. Selvaraja, S. Scheerlinck, D. Taillaert, W. Bogaerts, P. Dumon, D. Van Thourhout, R. Baets, Bridging the Gap Between Nanophotonic Waveguide Circuits and Single Mode Optical Fibers Using Diffractive Grating Structures , Journal of Nanoscience and Nanotechnology (invited), 10, p.1551-1562  (2010)  Download this Publication (3MB).
  25. W. Bogaerts, S. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, R. Baets, Silicon-on-Insulator Spectral Filters Fabricated with CMOS Technology, J. Sel. Top. Quantum Electron. (invited), 16(1), p.33-44 (2010)  Download this Publication (2.3MB).
  26. S. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, R. Baets, Sub-nanometer linewidth uniformity in silicon nano-photonic waveguide devices using CMOS fabrication technology , IEEE Journal on Selected Topics in Quantum Electronics, 16(1), p.316 - 324  (2010)  Download this Publication (872KB).
  27. J. Brouckaert, G. Roelkens, S. Selvaraja, W. Bogaerts, P. Dumon, S. Verstuyft, D. Van Thourhout, R. Baets, Silicon-on-Insulator CWDM Power Monitor/Receiver with Integrated Thin Film InGaAs Photodetectors, IEEE Photonics Technology Letters, 21(19), p.1423 (2009)  Download this Publication (350KB).
  28. S. Selvaraja, P. Jaenen, W. Bogaerts, P. Dumon, D. Van Thourhout, R. Baets, Fabrication of Photonic Wire and Crystal Circuits in Silicon-on-Insulator Using 193nm Optical Lithography, Journal of Lightwave Technology, 27(18), p.4076-4083 (2009)  Download this Publication (3.5MB).
  29. S. Selvaraja, Erik Sleeckx, Marc Schaekers, W. Bogaerts, D. Van Thourhout, P. Dumon, R. Baets, Low-Loss Amorphous Silicon-On-Insulator Technology for Photonic Integrated Circuitry, Optics Communications, 282(9), p. 1767-1770 (2009)  Download this Publication (1002KB).
  30. J. Brouckaert, W. Bogaerts, S. Selvaraja, P. Dumon, R. Baets, D. Van Thourhout, Planar Concave Grating Demultiplexer with High Reflective Bragg Reflector Facets, Photonics Technology Letters, 20(4), p.309-311 (2008)  Download this Publication (1.5MB).
      International Conferences

    1. S.P. Gorza, F. Leo, B. Kuyken, S. Selvaraja, G. Roelkens, R. Baets, Ph. Emplit, S. Massar, J. Safioui, Supercontinuum generation in hydrogenated amorphous silicon waveguides in the femtosecond regime, CLEO-QELS, United States, p.paper FW1D.7 (2014)  Download this Publication (234KB).
    2. P.P. Absil, P. De Heyn, P. Dumon, D. Van Thourhout, P. Verheyen, S. Selvaraja, G. Lepage, M. Pantouvaki, M. Rakowski, J. Van Campenhout, Advances in silicon photonics WDM devices, Conference on Next-Generation Optical Networks for Data Centers and Short-Reach Links (invited), United States, p.article 90100J (7 pages) (2014)  Download this Publication (670KB).
    3. S. Selvaraja, P. De Heyn, G. Winroth, P. Ong, G. Lepage, C. Cailler, A. Rigny, K. Bourdelle, W. Bogaerts, D. Van Thourhout, J. Van Campenhout, P. Absil, Highly uniform and low-loss passive silicon photonics devices using a 300mm CMOS platform, Optical Fiber Communication Conference (OF2014), United States, p.Th2A.33 (2014)  Download this Publication (748KB).
    4. S. Selvaraja, G. Winroth, S. Locotorondo, G. Murdoch, A. Milenin, C. Delvaux, P. Ong, S. Pathak, W. Xie, G. Sterckx, G. Lepage, D. Van Thourhout, W. Bogaerts, J. Van Campenhout, P. Absil, 193nm immersion lithography for high performance silicon photonic circuits, 27th Optical Microlithography Conference as part of the SPIE Advanced Lithography Symposium, 9052, United States, p.90520F (2014)  Download this Publication (869KB).
    5. J. Van Campenhout, P. Verheyen, M. Pantouvaki, P. De Heyn, S. Selvaraja, G. Lepage, J. De Coster, M. Rakowski, J. Ryckaert, A. Masood, S. Pathak, W. Bogaerts, P. Dumon, D. Van Thourhout, R. Baets, P. Absil, 25Gb/s Silicon-Photonics WDM Platform for Low-Power Optical I/O, The 3rd International Symposium on Photonics and Electronics Convergence -Advanced Nanophotonics and Silicon Device Systems- (ISPEC2013) (invited), Japan, (2013)  Download this Publication (205KB).
    6. J. Safioui, B. Kuyken, S. Selvaraja, W. Bogaerts, D. Van Thourhout, G. Roelkens, P. Emplit, R. Baets, S. Massar, Supercontinuum generation in hydrogenated amorphous silicon waveguide, Nonlinear Optics (NLO), United States, p.paper NM3A.7 (2013)  Download this Publication (232KB).
    7. G. Roelkens, D. Vermeulen, Y. Li, Y. De Koninck, S. Selvaraja, K. Van Acoleyen, D. Van Thourhout, R. Baets, Silicon grating structures for optical fiber interfacing and III-V/silicon opto-electronic components, SPIE Photonics West Conference 2013 - High Contrast Metastructures II (invited), 8633, United States, p.86330S (2013)  Download this Publication (637KB).
    8. R. Baets, A. Subramanian, A. Dhakal, S. Selvaraja, K. Komorowska, F. Peyskens, E.M.P. Ryckeboer, N.A Yebo, G. Roelkens, N. Le Thomas, Spectroscopy-on-chip applications of silicon photonics, Photonics West (invited), 8627(01), United States, p.86270I-1 - 86270I-10 (2013)  Download this Publication (1MB).
    9. W. Xie, M. Fiers, S. Selvaraja, J. Van Campenhout, P. Absil, D. Van Thourhout, High-Q photonic crystal nanocavities on 300 mm SOI substrate fabricated by 193 nm immersion lithography, Proceedings of the 2012 Annual Symposium of the IEEE Photonics Society Benelux Chapter, Belgium, p.183-186 (2012)  Download this Publication (439KB).
    10. J. Safioui, B. Kuyken, S. Selvaraja, W. Bogaerts, D. Van Thourhout, G. Roelkens, P. Emplit, R. Baets, S. Massar, Continuous-wave parametric conversion in hydrogenated amorphous photonic wire, Proceedings of the 2012 Annual Symposium of the IEEE Photonics Society Belenux Chapter, Belgium, p.81-84 (2012)  Download this Publication (578KB).
    11. S. Selvaraja, Luis Fernandez, M. Vanslembrouck, Jean-Luc Everaert, P. Dumon, J. Van Campenhout, W. Bogaerts, Philippe Absil, Si photonic device uniformity improvement using wafer-scale location specific processing, IEEE Photonics Conference 2012 (IPC), United States, p.725-726 (2012)  Download this Publication (1.6MB).
    12. S. Selvaraja, Gayle Murdoch, Alexey Milenin , Christie Delvaux, Patrick Ong, S. Pathak, D. Vermeulen, Gunther Sterckx, Gustaf Winroth, Peter Verheyen, Guy Lepage, R. Baets, W. Bogaerts, J. Van Campenhout, Philippe Absil, Advanced 300-mm Waferscale Patterning for Silicon Photonics Devices with Record Low Loss and Phase Errors, 17th OptoElectronics and Communications Conference (OECC 2012), South Korea, p.PDP2-2 p15 (2012)  Download this Publication (241KB).
    13. A. Subramanian, S. Selvaraja, A. Dhakal, K. Komorowska, R. Baets, Grating couplers for Si3N4 waveguides at 900 nm, 16th European Conference on Integrated Optics (ECIO 2012), Spain, p.paper 182 (2012)  Download this Publication (328KB).
    14. Peter Verheyen, Guy Lepage, Joris Van Campenhout, Marianna Pantouvaki, Philippe Absil, P. De Heyn, W. Bogaerts, P. Dumon, S. Selvaraja, Co-integration of Ge detectors and Si modulators in an advanced Si photonics platform, SPIE Photonics Europe 2012, 8431, Belgium, p.paper 39 (2012)  Download this Publication (582KB).
    15. J. Van Campenhout, M. Pantouvaki, P. Verheyen, S. Selvaraja, G. Lepage, H. Yu, W. Lee, J. Wouters, D. Goossens, M. Moelants, W. Bogaerts, P. Absil, Low-Voltage, Low-Loss, Multi-Gb/s Silicon Micro-Ring Modulator based on a MOS Capacitor, The Optical Fiber Communication Conference and Exposition (OFC) and The National Fiber Optic Engineers Conference (NFOEC) 2012, United States, p.OM2E.4 (2012)  Download this Publication (309KB).
    16. R. Baets, B. Kuyken, X. Liu, S. Clemmen, S. Selvaraja, W. Bogaerts, D. Van Thourhout, H. Ji, H. Hu, M. Pu, M. Galili, P. Jeppesen, L.K. Oxenlowe, R.M. Osgood Jr., P. Emplit, S. Massar, Y.A. Vlasov, W.M.J. Green, G. Roelkens, Nonlinear optical functions in crystalline and amorphous silicon-on-insulator nanowires, The Optical Fiber Communication Conference and Exposition (OFC) and The National Fiber Optic Engineers Conference (NFOEC) 2012 (invited), United States, p.paper OM2J7 (2012)  Download this Publication (125KB).
    17. S. Selvaraja, E.Rosseel, L.Fernandez, Martin Tabat, W. Bogaerts, J. Hautala, P. Absil, SOI thickness uniformity improvement using wafer-scale corrective etching for silicon nano-photonic device, 16th Annual Symposium of the IEEE Photonics Benelux Chapter, Belgium, p.289-292 (2011)  Download this Publication (551KB).
    18. H. Ji, H. Hu, M. Pu, M. Galili, P. Jeppesen, B. Kuyken, S. Selvaraja, G. Morthier, R. Baets, L.K. Oxenløwe, Optical Waveform Sampling of a 320 Gbit/s Serial Data Signal using a Hydrogenated Amorphous Silicon Waveguide, European Conference and exhibtion on Optical Communication, Switzerland, p.Paper Th.11.LeSaleve.1 (2011)  Download this Publication (549KB).
    19. B. Kuyken, X. Liu, S. Clemmen, S. Selvaraja, W. Bogaerts, D. Van Thourhout, R. M. Osgood, P. Emplit, S. Massar, Y. A. Vlasov, W. M. J. Green, G. Roelkens, R. Baets, Four-Wave-Mixing Gain and All-optical Signal Processing in Silicon Nanowires, European Conference and exhibtion on Optical Communication (invited), Switzerland, p.paper Th.11.LeSaelve.3 (2011)  Download this Publication (150KB).
    20. S. Selvaraja, E.Rosseel, L.Fernandez, Martin Tabat, W. Bogaerts, J. Hautala, P. Absil, SOI Thickness Uniformity Improvement using Corrective Etching for Silicon Nano-Photonic Device, 8th International Conference on Group IV Photonics, United Kingdom, p.71-73 (2011)  Download this Publication (534KB).
    21. W. Bogaerts, S. Selvaraja, H. Yu, T. Spuesens, P. Mechet, S. Stankovic, S. Keyvaninia, J. Van Campenhout, P. Absil, G. Roelkens, D. Van Thourhout, R. Baets, A Silicon Photonics Platform with Heterogeneous III-V Integration, Integrated Photonics Research, Silicon and Nano-Photonics (IPR) (invited), Canada, p.IWC2 (2011)  Download this Publication (283KB).
    22. B. Kuyken, N. Hattasan, D. Vermeulen, S. Selvaraja, W. Bogaerts, W. M. J. Green, R. Baets, G. Roelkens, Highly efficient broadband silicon-on-insulator grating couplers for the short wave infrared wavelength range, Integrated Photonics Research, Silicon and Nano-Photonics (IPR), Canada, p.IMB6 (2011)  Download this Publication (673KB).
    23. W. Bogaerts, P. Absil, D. Van Thourhout, J. Van Campenhout, S. Selvaraja, P. Dumon, H. Yu, A. Masood, G. Roelkens, R. Baets, Optical Interconnect Technologies based on Silicon Photonics, MRS Spring 2011 (invited), United States, p.O10.1 (2011)  Download this Publication (926KB).
    24. L. Wang, W. Bogaerts, P. Dumon, S. Selvaraja, G. Morthier, Jie Teng, Xiuyou Han, Xigao Jian, Mingshan Zhao, R. Baets, Athermal AWGs in SOI by overlaying a Polymer Cladding on Narrowed Arrayed Waveguides, Optical Fiber Communication Conference (OFC), United States, p.paper OThV6 (2011)  Download this Publication (271KB).
    25. D. Vermeulen, S. Selvaraja, R. Halir, W. Bogaerts, D. Van Thourhout, G. Roelkens, Photonic Integrated Circuits on SOI for Optical Fiber Communication Applications, 15th Annual Symposium of the IEEE Photonics Benelux Chapter, Netherlands, (2010)  Download this Publication (229KB).
    26. W. Bogaerts, S. Selvaraja, P. Dumon, P. Absil, D. Van Thourhout, R. Baets, Photonic Integrated Circuits in Silicon-on-Insulator, IEEE SOI Conference (invited), United States, p.9.02 (2010)  Download this Publication (183KB).
    27. B. Kuyken, S. Clemmen, S. Selvaraja, W. Bogaerts, S. Massar, R. Baets, G. Roelkens, Self phase modulation in highly nonlinear hydrogenated amorphous silicon, Photonics Society Annual Meeting, United States, (2010)  Download this Publication (124KB).
    28. S. Clemmen, B. Kuyken, S. Selvaraja, W. Bogaerts, S. Massar, D. Van Thourhout, Ph. Emplit, R. Baets, G. Roelkens, Unprecedented parametric gain from a CMOS compatible silicon photonic wire, IEEE Photonics Society Annual Meeting 2010, United States, (2010)  Download this Publication (132KB).
    29. S. Selvaraja, W. Bogaerts, P. Absil, D. Van Thourhout, R. Baets, Record Low-Loss Hybrid Rib/Wire Waveguides for Silicon Photonic Circuits , Group IV Photonics 2010 (PD), China, (2010)  Download this Publication (394KB).
    30. D. Vermeulen, S. Selvaraja, W. Bogaerts, G. Roelkens, High-efficiency broadband CMOS-compatible polarization rotator on SOI, Group IV photonics, China, p.WC6 (2010)  Download this Publication (299KB).
    31. W. Bogaerts, R. Baets, G. Roelkens, D. Van Thourhout, p. Absil, S. Selvaraja, H. Yu, A. Masood, A silicon photonics platform with heterogeneous III-V integration, Workshop on the Future of Silicon Photonics (invited), China, p.11 (2010)  Download this Publication (353KB).
    32. G. Roelkens, D. Vermeulen, L. Liu, T. Spuesens, R. Kumar, P. Mechet, K. Huybrechts, S. Keyvaninia, S. Stankovic, M. Tassaert, P. De Heyn, K. Komorowska, S. Selvaraja, D. Van Thourhout, G. Morthier, R. Baets, R. Halir, III-V/silicon photonic integrated circuits for FTTH and optical interconnect, IB2COM (invited), Spain, (2010)  Download this Publication (891KB).
    33. D. Vermeulen, K. Van Acoleyen, S. Ghosh, S. Selvaraja, W.A.D. De Cort, N.A Yebo, E. Hallynck, K. De Vos, P.P.P. Debackere, P. Dumon, W. Bogaerts, G. Roelkens, D. Van Thourhout, R. Baets, Efficient Tapering to the Fundamental Quasi-TM Mode in Asymmetrical Waveguides, ECIO, United Kingdom, p.paper WeP16 (2 pages) (2010)  Download this Publication (705KB).
    34. S. Selvaraja, P. Dumon, W. Bogaerts, D. Van Thourhout, R. Baets, Amorphous silicon: Material for Photonic-Photonic and Electronic-Photonic Integration, 14th Annual Symposium of the IEEE Photonics Benelux Chapter, Belgium, p.137-140 (2009)  Download this Publication (245KB).
    35. S. Selvaraja, K. De Vos, W. Bogaerts, P. Bienstman, D. Van Thourhout, R. Baets, Effect of Device Density on the Uniformity of Silicon Nano-Photonic Waveguide Devices, The 22nd Annual Meeting of the IEEE Photonics Society, Turkey, p.311-312 (2009)  Download this Publication (732KB).
    36. W. Bogaerts, P. Dumon, S. Selvaraja, D. Van Thourhout, R. Baets, Silicon nanophotonic waveguide components, Silicon Nanoelectronics and Photonics (SiNEP) 2009 (invited), Spain, p.33-34 (2009)  Download this Publication (381KB).
    37. D. Vermeulen, S. Selvaraja, P. Verheyen, G. Lepage, W. Bogaerts, G. Roelkens, High-efficiency Silicon-On-Insulator Fiber-to-Chip Grating Couplers Using a Silicon Overlay, Group IV photonics, United States, p.FPd1 (2009)  Download this Publication (220KB).
    38. J.V. Galan, P. Sanchis, J. Marti, S. Marx, H. Schroeder, B. Mukhopadhyay, T. Tekin, S. Selvaraja, W. Bogaerts, P. Dumon, L. Zimmermann, CMOS compatible silicon etched V-grooves integrated with a SOI fiber coupling technique for enhancing fiber-to-chip alignment, 6th IEEE International Conference on Group IV Photonics, United States, p.ThP13 (2009)  Download this Publication (439KB).
    39. S. Selvaraja, D. Vermeulen, Marc Schaekers, Erik Sleeckx, W. Bogaerts, G. Roelkens, P. Dumon, D. Van Thourhout, R. Baets, Highly Efficient Grating Coupler between Optical Fiber and Silicon Photonic Circuit, Conference on Lasers and Electro-Optics (CLEO) 2009 , United States, p.CTuC6 (2009)  Download this Publication (269KB).
    40. D. Van Thourhout, I. O'Connor, A. Scandurra, L. Liu, W. Bogaerts, S. Selvaraja, G. Roelkens, Nanophotonic Devices for Optical Networks-on-Chip, Conference on Lasers and Electro-Optics (CLEO) (invited), United States, p.CMAA2 (2009)  Download this Publication (495KB).
    41. G. Roelkens, D. Taillaert, F. Van Laere, D. Vermeulen, J. Schrauwen, S. Scheerlinck, T. Claes, W. Bogaerts, P. Dumon, S. Selvaraja, D. Van Thourhout, R. Baets, Interfacing optical fibers and high refractive indx contrast waveguide circuits using diffractive grating couplers, Photonics West (invited), United States, (2009)  Download this Publication (1.8MB).
    42. S. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, R. Baets, Amorphous silicon photonic crystals made with 193nm lithography, The 8th International Photonic & Electromagnetic Crystal Structures Meeting (PECS), Australia, (2009)  Download this Publication (86KB).
    43. S. Selvaraja, D. Van Thourhout, R. Baets, Integration of silicon photonic circuit and CMOS circuit, CMOS Photonics, 5th Optoelectronic and Photonic Winter School, Italy, (2009) , Italy, (2009)  Download this Publication (681KB).
    44. S. Selvaraja, P. Dumon, W. Bogaerts, D. Van Thourhout, R. Baets, Erik Sleeckx, Marc Schaekers, Demonstration Of Optical Via And Low-Loss Optical Crossing For Vertical Integration Of Silicon Photonic Circuit, PHOTONICS 2008:The International Conference on Fiber Optics and Photonics (BEST PAPER AWARD), India, (2008)  Download this Publication (317KB).
    45. R. Baets, S. Selvaraja, G. Roelkens, S. Scheerlinck, P. Dumon, W. Bogaerts, D. Van Thourhout, Silicon photonics: from research to manufacturable products, Photonics-2008, International Conference on Fiber Optics and Photonics (invited), India, p.4 pages (2008)  Download this Publication (412KB).
    46. J. Brouckaert, S. Selvaraja, W. Bogaerts, G. Roelkens, M.Y. Ling, J. Allaert, P. Dumon, D. Van Thourhout, R. Baets, Silicon-on-Insulator Microspectrometer, 13th Annual Symposium of the IEEE/LEOS Benelux chapter, Netherlands, p.7-10 (2008)  Download this Publication (456KB).
    47. J. Brouckaert, G. Roelkens, S. Selvaraja, W. Bogaerts, P. Dumon, S. Verstuyft, Z. Yu, D. Van Thourhout, R. Baets, Miniature Integrated Spectrometer Fabricated on a Silicon-on-Insulator Substrate, Leos Annual Meeting, United States, p.MF3 (2008)  Download this Publication (1MB).
    48. W. Bogaerts, P. Dumon, S. Selvaraja, D. Van Thourhout, R. Baets, Silicon Nanophotonic Waveguide Circuits and Devices, Leos Annual Meeting (invited), United States, p.TuU1 (2008)  Download this Publication (358KB).
    49. W. Bogaerts, L. Liu, S. Selvaraja, J. Brouckaert, D. Taillaert, D. Vermeulen, G. Roelkens, D. Van Thourhout, R. Baets, Silicon nanophotonic waveguides and their applications, Asia-Pacific Optical Communications (APOC) 2008 (invited), 7134, China, p. 71341O-71341O-13 (2008)  Download this Publication (1.1MB).
    50. J. Brouckaert, G. Roelkens, S. Selvaraja, W. Bogaerts, P. Dumon, S. Verstuyft, D. Van Thourhout, R. Baets, Compact Silicon-on-Insulator Wavelength Demultiplexer with Heterogeneously Integrated InAlAs/InGaAs Photodetectors, ECOC 2008, Belgium, p.Tu.4.C.5 (2008)  Download this Publication (764KB).
    51. G. Roelkens, W. Bogaerts, D. Taillaert, P. Dumon, L. Liu, S. Selvaraja, J. Brouckaert, J. Van Campenhout, K. De Vos, P.P.P. Debackere, D. Van Thourhout, R. Baets, Silicon nanophotonics: towards VLSI photonic integrated circuits, URSI (invited), United States, (2008)  Download this Publication (301KB).
    52. S. Selvaraja, W. Bogaerts, D. Van Thourhout, R. Baets, Fabrication of Uniform Photonic Devices Using 193nm Optical Lithography in Silicon-on-Insulator , 14th European Conference on Integrated Optics (ECIO), Netherlands, (2008)  Download this Publication (167KB).
    53. S. Selvaraja, D. Van Thourhout, R. Baets, Fabrication of photonic integrated circuits using high resolution CMOS fabrication process, ePIXnet Springshool 2008, Italy, (2008)  Download this Publication (851KB).
    54. S. Selvaraja, D. Van Thourhout, R. Baets, E. Sleeckx, M. Schaekers, Deposited silicon-on-insulator material technology for photonic integrated circuitry, 12th IEEE/LEOS Benelux Annual Symposium 2007, Belgium, p.15-18 (2007)  Download this Publication (61KB).
    55. S. Selvaraja, Patrick Jaenen, Stephan Beckx, W. Bogaerts, P. Dumon, D. Van Thourhout, R. Baets, Silicon nanophotonic wire structures fabricated by 193nm optical lithography , LEOS Annual Meeting 2007 (invited), United States, (2007)  Download this Publication (665KB).
    56. D. Van Thourhout, W. Bogaerts, J. Brouckaert, P. Dumon, G. Roelkens, S. Scheerlinck, S. Selvaraja, J. Schrauwen, D. Taillaert, J. Van Campenhout, P. Bienstman, R. Baets, Silicon nanophotonics on CMOS, 33rd International Conference on Micro- and Nano-Engineering 2007 (MNE07), Denmark, p.113-114 (2007)  Download this Publication (993KB).
    57. S. Selvaraja, E.Sleeckx, W. Bogaerts, M. Schaekers, P. Dumon, D. Van Thourhout, R. Baets, Low loss amorphous silicon photonic wire and ring resonator fabricated by CMOS process, 33rd European conference on Optical communication (ECOC) , Germany, p.PD 2.2 (2007)  Download this Publication (180KB).
    58. J. Brouckaert, W. Bogaerts, P. Dumon, S. Selvaraja, G. Roelkens, D. Van Thourhout, R. Baets, Planar Concave Grating Demultiplexer with Distributed Bragg Reflection Facets, Group IV Photonics, Japan, p.WA5 (2007)  Download this Publication (1.6MB).
    59. S. Selvaraja, M.Schaekers, W. Bogaerts, D. Van Thourhout, R. Baets, Polycrystalline silicon as waveguide material for advanced photonic, 11th IEEE/LEOS Benelux Annual Workshop 2007, Netherlands, (2007)  Download this Publication (43KB).
    60. W. Bogaerts, P. Dumon, J.-M. Fedeli, A. Tchelnokov, D. Van Thourhout, S. Selvaraja, R. Baets, A Platform for Silicon-on-Insulator Nanophotonics on Industrial CMOS Tools, Photonic and Electromagnetic Crystal Structures (PCS-VII), United States, (2007)  Download this Publication (155KB).
    61. R. Baets, P. Dumon, W. Bogaerts, G. Roelkens, D. Taillaert, J. Brouckaert, K. De Vos, J. Roels, S. Selvaraja, F. Van Laere, P. Bienstman, D. Van Thourhout, Silicon Photonics, 2007 International Symposium on VLSI Technology, Systems and Applications (VLSI-TSA), Proceedings of Technical Papers, p.7-9 (2007)  Download this Publication (2MB).
    62. R. Baets, W. Bogaerts, P. Dumon, D. Taillaert, D. Van Thourhout, S. Selvaraja, G. Roelkens, J. Van Campenhout, J. Brouckaert, Silicon-on-insulator based nanophotonics: why, how, what for ?, 1st International Optence Workshop on Silicon Photonics, Germany, p.slides overview (2006)  Download this Publication (2.5MB).
        National Conferences

      1. S. Selvaraja, D. Van Thourhout, R. Baets, Amorphous silicon: For Advanced Photonic Integrated Circuits, 10h FirW PhD Symposium, Belgium, (2009)  Download this Publication (287KB).
      2. S. Selvaraja, R. Baets, D. Van Thourhout, Nanophotonic integrated chip fabricated by CMOS technology, 8th FirW PhD Symposium, Belgium, (2007)  Download this Publication (13KB).
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