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Dr. ir. Koen Huybrechts  (Doctoral Researcher)

This person worked in the group from 2006 till 2011.

Affiliation: imec
E-mail: koenhuybrechts@gmail.com / koen.huybrechts@te.com
Research Area: All-optical flip-flops based on single laser diodes
Promotors: Geert Morthier and Roel Baets
PhD Thesis: Koen Huybrechts, Digitale fotonica op basis van laserdiodes voor optische netwerkknopen, Digital Photonics Using Single Laser Diodes for All-Optical Network Nodes, 9/2010
Master Thesis: Koen Huybrechts, Designs of channel drop filters using wire waveguides and photonic crystal cavities, 6/2006
KoenHuybrechts
Koen Huybrechts received his master degree in Physics Engineering from Ghent University in 2006. He spent the last year of his engineering studies at the Kungliga Tekniska Högskolan (Stockholm, Sweden) where he finished his Master’s thesis work at the research group of prof. Min Qiu. Since August 2006, he is working towards a PhD degree at the Photonics Research Group under a specialization grant from the Flemish "Institute for the promotion of innovation through science and technology" (IWT). His research, under supervision of prof. Geert Morthier, is focused on the realization of all-optical flip-flops and all-optical signal processing. He has been a visiting researcher at the the University of Tokyo and the Technical University of Denmark. Within his doctoral research, he has been active within the European FP7 Historic project. Currently, he is at Stanford University as a visiting scholar.
He was elected vice-chairman and chairman of the IEEE Photonics Society Benelux Student Chapter in resp. 2009 and 2010. He received the IEEE Photonics Society Graduate Student Fellowship in 2010.

Specific Research Topics

Publications (36)

    International Journals

  1. 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 doi:10.1109/JLT.2017.2705284 (2017)  Download this Publication (2.5MB).
  2. K. Huybrechts, T. Tanemura, K. Takeda, Y. Nakano, R. Baets, G. Morthier, All-optical 2R regeneration using the hysteresis in a distributed feedback laser diode, Journal of Selected Topics in Quantum Electronics, 16(5), p.1434 - 1440 doi:10.1109/JSTQE.2009.2037022  (2010)  Download this Publication (755KB).
  3. K. Huybrechts, G. Morthier, B. Maes, Symmetry breaking in networks of nonlinear cavities, Journal of the Optical Society of America B, 27(4), p.708-713 doi:10.1364/josab.27.000708 (2010)  Download this Publication (469KB).
  4. L. Liu, R. Kumar, K. Huybrechts, T. Spuesens, G. Roelkens, E.-J. Geluk, T. de Vries, P. Regreny, D. Van Thourhout, R. Baets, G. Morthier, An ultra-small, low-power, all-optical flip-flop memory on a silicon chip, Nature Photonics, 4(3), p.182-187 doi:10.1038/nphoton.2009.268 (2010).
  5. K. Huybrechts, R. Baets, G. Morthier, All-optical flip-flop operation in a standard tunable DBR laser diode, IEEE Photonics Technology Letters, 21(24), p.1873-1875 doi:10.1109/lpt.2009.2035169 (2009)  Download this Publication (247KB).
  6. K. Huybrechts, T. Tanemura, Y. Nakano, R. Baets, G. Morthier, 40 Gb/s all-optical packet switching with a distributed feedback laser as all-optical flip-flop, IEEE Photonics Technology Letters, 21(11), p.703-705 doi:10.1109/lpt.2009.2016671 (2009)  Download this Publication (425KB).
  7. G. Morthier, W. D'Oosterlinck, K. Huybrechts, All-optical flip-flops based on DFB laser diodes and DFB-arrays, Journal of Materials Science-Materials in Electronics, 20(Suppl. 1), p.385-389 doi:10.1007/s10854-008-9632-2 (2009).
  8. K. Huybrechts, G. Morthier, R. Baets, Fast all-optical flip-flop based on a single distributed feedback laser diode, Optics Express, 16(15), p.11405-11410 doi:10.1364/oe.16.011405 (2008)  Download this Publication (376KB).
  9. K. Huybrechts, W. D'Oosterlinck, G. Morthier, R. Baets, Proposal for an all-optical flip-flop using a single distributed feedback laser diode, Photonics Technology Letters, 20(1), p.18 - 20 doi:10.1109/lpt.2007.911007 (2008)  Download this Publication (158KB).
      International Conferences

    1. H. D'heer, C. Lerma Arce, J. Watté, K. Huybrechts, R. Baets, D. Van Thourhout, Broadband and Non-volatile Liquid Controlled Silicon Photonics Switch, Conference on Lasers and Electro-Optics, United States, p.paper SM3G.6 doi:10.1364/CLEO_SI.2016.SM3G.6 (2016)  Download this Publication (1.3MB).
    2. P. Mechet, L. Liu, R. Kumar, K. Huybrechts, T. Spuesens, G. Roelkens, E.-J. Geluk , T. De Vries , P. Regreny , D. Van Thourhout, R. Baets, G. Morthier, Heterogeneously Integrated Microdisk Lasers for Optical Interconnects and Optical Logic, SPIE Photonics West 2011 (invited), 7913, United States, p.791319 doi:10.1117/12.885749 (2011)  Download this Publication (896KB).
    3. K. Huybrechts, L. Liu, R. Kumar, T. Spuesens, G. Roelkens, E.J. Geluk, T. De Vries, P. Regreny, D. Van Thourhout, R. Baets, G. Morthier, All-Optical Flip-Flops using Electrically Pumped Microdisk Lasers Integrated on Silicon , IEEE Photonics Society Annual Meeting (invited), United States, doi:10.1109/photonics.2010.5698750 (2010)  Download this Publication (377KB).
    4. 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).
    5. K. Huybrechts, C. Peucheret, J. Seoane, T. Tanemura, K. Takeda, Y. Nakano, R. Baets, G. Morthier, Low-power colorless all-optical 2R regeneration of 25 Gb/s NRZ signals using a standard DFB laser, Integrated Photonics Research, Silicon and Nano Photonics (IPR), Photonics in Switching (PS), United States, p.PWA2.pdf (3 pages) doi:10.1364/ps.2010.pwa2 (2010)  Download this Publication (204KB).
    6. G. Morthier, L. Liu, R. Kumar, P. Mechet, K. Huybrechts, G. Roelkens, T. Spuesens, T. de Vries, E.J. Geluk, P. Regreny, R. Baets, D. Van Thourhout, Heterogeneous InP on SOI integration for the realization of all-optical logic devices, Integrated Photonics Research, Silicon and Nano Photonics (IPR), Photonics in Switching (PS) (invited), United States, p.IWF2.pdf (3 pages) doi:10.1364/iprsn.2010.iwf2 (2010)  Download this Publication (105KB).
    7. K. Huybrechts, L. Liu, R. Kumar, T. Spuesens, G. Roelkens, E.-J. Geluk, T. de Vries, M. Smit, P. Regreny, P. Rojo-Romeo, D. Van Thourhout, R. Baets, G. Morthier, Digital photonics using InP microdisk lasers heterogeneously integrated on Silicon-on-Insulator, European Conference on Integrated Optics (ECIO) (invited), United Kingdom, p.WeF1 (2010)  Download this Publication (60KB).
    8. R. Kumar, K. Huybrechts, L. Liu, T. Spuesens, G. Roelkens, E.-J. Geluk, T. de Vries, P. Regreny, D. Van Thourhout, R. Baets, G. Morthier, An ultra-small, low-power all-optical flip-flop memory on a silicon chip, The Optical Fiber Communication Conference and Exposition (OFC) and The National Fiber Optic Engineers Conference (NFOEC) 2010, United States, p.OTuN7 doi:10.1364/ofc.2010.otun7 (2010)  Download this Publication (394KB).
    9. K. Huybrechts, R. Baets, G. Morthier, All-optical Signal Processing with Standard Edge-emitting Laser Diodes, 14th Annual Symposium of the IEEE Photonics Society Benelux Chapter, Belgium, p.25-28 (2009)  Download this Publication (249KB).
    10. Y. De Koninck, K. Huybrechts, G. Van der Sande, J. Danckaert, R. Baets, G. Morthier, Nonlinear dynamics of asymmetrically coupled microdisk lasers, 22nd Annual Meeting of the IEEE Photonics Society, Turkey, p.WN4 doi:10.1109/leos.2009.5343163 (2009)  Download this Publication (650KB).
    11. K. Huybrechts, A. Ali, R. Baets, G. Morthier, Novel concept for all-optical flip-flop operation in a single DBR laser diode, 22nd Annual Meeting of the IEEE Photonics Society, Turkey, p.ThF2 doi:10.1109/leos.2009.5343402 (2009)  Download this Publication (293KB).
    12. K. Huybrechts, A. Ali, T. Tanemura, Y. Nakano, G. Morthier, Numerical and experimental study of the switching times and energies of DFB laser based all-optical flip-flops, Photonics in Switching 2009, Italy, p.WeI2-6 doi:10.1109/ps.2009.5307761 (2009)  Download this Publication (112KB).
    13. K. Huybrechts, A. Ali, G. Morthier, All-optical 2R regeneration and wavelength conversion at 10 Gb/s using a single bistable DFB laser diode, Photonics in Switching 2009, Italy, p.FrII2-6 doi:10.1109/ps.2009.5307839 (2009)  Download this Publication (99KB).
    14. B. Maes, M. Fiers, K. Huybrechts, G. Morthier, P. Bienstman, Dynamics and Instabilities in Series of Coupled Nonlinear Resonators, ICTON 2009 (invited), Portugal, p.We.C4.3 doi:10.1109/icton.2009.5185249 (2009)  Download this Publication (172KB).
    15. K. Huybrechts, T. Tanemura, Y. Nakano, R. Baets, G. Morthier, Fast 40 Gb/s optical packet switching using an all-optical flip-flop based on a single distributed feedback laser, Optical Fiber Communication Conference and Exposition (OFC), OMU4, United States, doi:10.1364/ofc.2009.omu4 (2009)  Download this Publication (991KB).
    16. K. Huybrechts, G. Morthier, R. Baets, Fast operation of a broadband all-optical flip-flop based on a single DFB-laser diode, ECOC 2008, We.2.C.4, Belgium, doi:10.1109/ecoc.2008.4729310 (2008)  Download this Publication (480KB).
    17. K. Huybrechts, G. Morthier, R. Baets, Experimental demonstration of all-optical flip-flop operation in a single distributed feedback laser diode, Photonics in Switching, Japan, doi:10.1109/ps.2008.4804201 (2008)  Download this Publication (789KB).
    18. B. Maes, K. Huybrechts, G. Morthier, P. Bienstman, R. Baets, Switching with Coupled Photonic Crystal Cavities, SIAM Conference on Nonlinear Waves and Coherent Structures (invited), Italy, (2008)  Download this Publication (599KB).
    19. B. Maes, K. Huybrechts, G. Morthier, P. Bienstman, R. Baets, Nonlinear Switching Effects in Coupled Micro-photonic Cavities, Progress In Electromagnetics Research 2008 (invited), United States, p.187 (2008)  Download this Publication (2.2MB).
    20. G. Morthier, K. Huybrechts, Optical bistability and flip-flop operation in DFB laser diodes injected with a CW signal, SPIE Photonics Europe conference, France, p.138 doi:10.1117/12.783281 (2008)  Download this Publication (648KB).
    21. K. Huybrechts, B. Maes, G. Morthier, R. Baets, Tristable all-optical flip-flop using coupled nonlinear cavities, IEEE/LEOS Winter topicals, TuA1.2, Italy, p.16-17 doi:10.1109/leoswt.2008.4444377 (2008)  Download this Publication (248KB).
    22. K. Huybrechts, W. D'Oosterlinck, G. Morthier, R. Baets, All-optical Flip-flop based on a single Distributed Feedback Laser Diode, IEEE/Leos Symposium Benelux Chapter Proceedings, Belgium, p.47 (2007)  Download this Publication (256KB).
    23. G. Morthier, W. D'Oosterlinck, K. Huybrechts, All-optical flip-flops based on DFB laser diodes and DFB-arrays, International Conference on Optical , Optoelectronic and Photonic Materials and Applications 2007 (ICOOPMA07) (invited), United Kingdom, (2007).
    24. K. Huybrechts, W. D'Oosterlinck, G. Morthier, R. Baets, Optical flip-flop operation using an AR-coated distributed feedback laser diode, CLEO 2007, JWA36, United States, doi:10.1109/qels.2007.4431422 (2007)  Download this Publication (98KB).
    25. K. Huybrechts, W. D'Oosterlinck, G. Morthier, R. Baets, All-optical flip-flop operation using an AR-coated distributed feedback laser diode, ePIXnet Winter School , poster nr. 21, Switzerland, (2007)  Download this Publication (554KB).
        National Conferences

      1. K. Huybrechts, Digital photonics for optical network nodes, FIrW PhD symposium, Belgium, (2009)  Download this Publication (692KB).
      2. K. Huybrechts, A single laser diode for all-optical flip-flop operation, FIrW PhD symposium, 35, Belgium, (2007)  Download this Publication (418KB).
      Click here for a printable publication list.

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