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Photo-spectrometer based on heterogeneous integration

Main Researcher: Joost Brouckaert

Current photo-spectrometers based on bulk optical components, MEMS or monolithically integrated waveguide devices are not satisfactory because of their size, limited reliability or high price. The approach we present is the heterogeneous integration of thin film InGaAs photodetectors on SOI wavelength selective devices using wafer scale processing technologies. This can lead to small, efficient, accurate, sensitive, reliable and inexpensive photo-spectrometers.

Different SOI wavelength selective devices are envisioned but planar concave gratings (PCG's) offer several advantages. These components offer a high integration density, especially for devices with a high number of output channels. The device shown in the picture has four 20nm spaced output channels, crosstalk better than -30dB and an on-chip loss of 7.5dB. This relative high loss value is due to the fact that no precautions were taken to reduce the reflection loss at the grating facets

Silicon-on-Insulator Planar Concave Grating Demultiplexer
Silicon-on-Insulator Planar Concave Grating Demultiplexer

Detection of light in the near-infrared region of the spectrum is not possible in Silicon, which is naturally transparent in this region. Therefore, we focus on the integration of thin film InGaAs detectors onto SOI waveguides.

InGaAs detector integrated on a SOI waveguide
InGaAs detector integrated on a SOI waveguide

Other people involved:

PhD thesises

Publications

    International Journals

  1. M. Muneeb, X. Chen, P. Verheyen, G. Lepage, S. Pathak, E.M.P. Ryckeboer, A. Malik, B. Kuyken, M. Nedeljkovic, J. Van Campenhout, G. Mashanovich, G. Roelkens, Demonstration of silicon on insulator mid-infrared spectrometers operating at 3.8um, Optics Express, 21(10), p.11659-11669 doi:10.1364/OE.21.011659 (2013)  Download this Publication (2.1MB).
  2. E.M.P. Ryckeboer, A. Gassenq, M. Muneeb, N. Hattasan, S. Pathak, L. Cerutti, J-B Rodriguez, E. Tournie, W. Bogaerts, R. Baets, G. Roelkens, Silicon-on-insulator spectrometers with integrated GaInAsSb photodiodes for wide-band spectroscopy from 1510 to 2300 nm, Optics Express, doi:10.1364/oe.21.006101 (2013)  Download this Publication (2.1MB).
  3. 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 doi:10.1109/lpt.2009.2027999 (2009)  Download this Publication (350KB).
  4. 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 doi:10.1109/lpt.2007.915585 (2008)  Download this Publication (1.5MB).
  5. J. Brouckaert, G. Roelkens, D. Van Thourhout, R. Baets, Compact InAlAs/InGaAs Metal-Semiconductor-Metal Photodetectors Integrated on Silicon-on-Insulator Waveguides, IEEE Photonics Technology Letters, 19(19), p.1484-1486 doi:10.1109/lpt.2007.903767 (2007)  Download this Publication (890KB).
  6. J. Brouckaert, W. Bogaerts, P. Dumon, D. Van Thourhout, R. Baets, Planar Concave Grating Demultiplexer Fabricated on a Nanophotonic Silicon-on-Insulator Platform, Journal of Lightwave Technology, 25(5), p.1269-1275 doi:10.1109/jlt.2007.893025 (2007)  Download this Publication (327KB).
  7. J. Brouckaert, G. Roelkens, D. Van Thourhout, R. Baets, Thin-Film III–V Photodetectors Integrated on Silicon-on-Insulator Photonic ICs, Journal of Lightwave Technology, 25(4), p.1053-1060 doi:10.1109/jlt.2007.891172 (2007)  Download this Publication (480KB).
      International Conferences

    1. E.M.P. Ryckeboer, A. Gassenq, N. Hattasan, Cerutti, Laurent, Rodriguez, J.B., Tournie, Eric, R. Baets, G. Roelkens, Silicon-on-insulator spectrometers with integrated GaInAsSb photodiode array for wideband operation from 1500 to 2300 nm, CLEO, United States, p.paper JW2A.69.pdf doi:10.1364/cleo_at.2013.jw2a.69 (2013)  Download this Publication (340KB).
    2. E.M.P. Ryckeboer, A. Gassenq, N. Hattasan, B. Kuyken, Cerutti Laurent, Rodriguez Jean-Baptiste, Tournie Eric, G. Roelkens, W. Bogaerts, R. Baets, Integrated spectrometer and integrated detectors on Silicon-on-Insulator for short-wave infrared applications, CLEO, United States, p.CTu1A.3 doi:10.1364/cleo_si.2012.ctu1a.3 (2012)  Download this Publication (284KB).
    3. E.M.P. Ryckeboer, W. Bogaerts, R. Baets, Silicon photonics based evanescent sensor for absorption spectroscopy of glucose, XI Conference on Optical Chemical Sensors and biosensors ( EUROPTRODE XI), Spain, p.37 (2012)  Download this Publication (196KB).
    4. E.M.P. Ryckeboer, N. Hattasan, G. Morren, D. Delbeke, W. Bogaerts, R. Baets, Power budget considerations for in vivo continuous glucose monitoring using absorption spectroscopy, Proceedings of the 2010 Annual Symposium of the IEEE Photonics Benelux Chapter, Netherlands, p.253-256 (2010)  Download this Publication (391KB).
    5. G. Yurtsever, J. Brouckaert, W. Bogaerts, P. Dumon, D. Van Thourhout, R. Baets, Compact Demultiplexer Using Cascaded Planar Concave Grating and Ring Resonators on SOI, The 22nd Annual Meeting of the IEEE Photonics Society, Turkey, doi:10.1109/leos.2009.5343160 (2009)  Download this Publication (966KB).
    6. A. Casas Bedoya, M.Y. Ling, J. Brouckaert, N.A Yebo, D. Van Thourhout, R. Baets, Biodiesel sensing using Silicon-on-Insulator technologies, SPIE europe, Microtechnologies for the new millenium, Germany, doi:10.1117/12.821508 (2009)  Download this Publication (1.6MB).
    7. 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).
    8. 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 doi:10.1109/leos.2008.4688485 (2008)  Download this Publication (1MB).
    9. 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 doi:10.1109/ecoc.2008.4729247 (2008)  Download this Publication (764KB).
    10. W. Bogaerts, P. Dumon, J. Brouckaert, K. De Vos, D. Taillaert, D. Van Thourhout, R. Baets, Ultra-compact optical filters in Silicon-on-Insulator and their Applications, Group IV Photonics (invited), Japan, p.WA1 doi:10.1109/group4.2007.4347647 (2007)  Download this Publication (1.5MB).
    11. 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 doi:10.1109/group4.2007.4347651 (2007)  Download this Publication (1.6MB).
    12. J. Brouckaert, G. Roelkens, D. Van Thourhout, R. Baets, Thin film InGaAs/InAIAs photodetectors integrated on a silicon-on-insulator waveguide substrate, 33rd European Conference and Exhibition on Optical Communication (ECOC 07), 2, Germany, p.251-252 doi:10.1049/ic:20070208 (2007)  Download this Publication (829KB).
    13. J. Brouckaert, G. Roelkens, D. Van Thourhout, R. Baets, Thin film InGaAs MSM photodetectors integrated onto silicon-on-insulator waveguide circuits, LEOS Benelux Annual Symposium, Netherlands, (2006)  Download this Publication (1.2MB).
    14. J. Brouckaert, W. Bogaerts, P. Dumon, J. Schrauwen, D. Van Thourhout, R. Baets, Planar concave grating demultiplexer on a nanophotonic silicon-on-insulator platform, 2006 IEEE LEOS Annual Meeting Conference Proceedings , Canada, p.312-313 doi:10.1109/leos.2006.279091 (2006)  Download this Publication (1.9MB).
    15. J. Brouckaert, Integrated wavelength demultiplexer, ePIXnet Winter School, Optoelectronic Integration - Technology and Applications, Switzerland, p.74 (2006)  Download this Publication (541KB).
        National Conferences

      1. J. Brouckaert, G. Roelkens, D. Van Thourhout, Photo-spectrometer based on the integration of InP/InGaAs photodetectors onto a silicon-on-insulator etched diffraction grating, 6th UGent-FirW Doctoraatssymposium, Belgium, p.37 (paper nr. 24) (2005)  Download this Publication (259KB).

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