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Dr. Ananth Subramanian  (Postdoctoral Researcher)

This person worked in the group from 2011 till 2016.

Affiliation: Indigo
Research Area: On-chip sensing based on silicon photonics
Promotor: Roel Baets
AnanthSubramanian
is working on the InSpectra project
He holds two masters degrees in Physics (2002) and Applied Optics (2004) from Indian Institute of Technonoly Delhi, India. He then joined Optoelectronics Research Centre, University of Southampton, UK in Oct 2006 as research student and obtained his PhD in Jan 2011 in the area of Tantalum Pentoxide based waveguide amplfiers and lasers for PLCs.

Specific Research Topics

Patents

Publications (44)

    International Journals

  1. 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, P. Helin, S. Severi, X. Rottenberg, R. Baets, Expanding the Silicon Photonics Portfolio with Silicon Nitride Photonic Integrated Circuits, Journal of Lightwave Technology (invited), 35(4), p.639-649 doi:10.1109/JLT.2016.2617624 (2017)  Download this Publication (598KB).
  2. L. Hoffman, A. Subramanian, P. Helin,, B. Du Bois, R. Baets, P. Van Dorpe, G. Gielen, R. Peurs, D. Bracken, Low Loss CMOS-compatible PECVD Silicon Nitride Waveguides and Grating Couplers for Blue Light Optogenetic Applications, Photonics, doi:10.1109/JPHOT.2016.2601782 (2016)  Download this Publication (1.2MB).
  3. 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 doi:10.1364/OE.24.013754 (2016).
  4. 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 doi:10.1039/c5an01782c (2015)  Download this Publication (5.7MB).
  5. 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 doi:10.1364/OE.23.028264 (2015)  Download this Publication (2.7MB).
  6. 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 doi:10.1364/OE.23.027391 (2015)  Download this Publication (3MB).
  7. 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 doi:10.3390/photonics2030969 (2015)  Download this Publication (2.3MB).
  8. 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, J. 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 doi:10.1364/PRJ.3.000B47 (2015)  Download this Publication (1.5MB).
  9. 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 doi:10.1364/OL.40.002177 (2015)  Download this Publication (510KB).
  10. 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 doi:10.1364/oe.23.003088 (2015)  Download this Publication (1.3MB).
  11. 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  doi:10.1109/LPT.2014.2363298 (2015)  Download this Publication (1.1MB).
  12. 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 doi:10.1364/ol.39.004942 (2014)  Download this Publication (689KB).
  13. 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 doi:10.1364/ol.39.004025 (2014).
  14. 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 doi:10.1364/OE.22.005684 (2014)  Download this Publication (1.5MB).
  15. 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 doi:10.1109/jphot.2013.2292698 (2013)  Download this Publication (683KB).
  16. 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 doi:10.1109/LPT.2012.2212881 (2012)  Download this Publication (411KB).
      International Conferences

    1. S. Clemmen, A. Raza, A. Dhakal, F. Peyskens, A. Subramanian, P, Van Dorpe, P.C. Wuytens, H. Zhao, E.M.P. Ryckeboer, S. Severi, N. Le Thomas, R. Baets, Spectroscopic sensing with silicon nitride photonic integrated circuits, Photonics West 2017, Proc. SPIE 10106, Integrated Optics: Devices, Materials, and Technologies XXI (invited), United States, p.101060T doi:10.1117/12.2256526 (2017)  Download this Publication (1.6MB).
    2. A. De Groote, P. Cardile, A. Subramanian, A.M. Fecioru, C. Bower, D. Delbeke, R. Baets, G. Roelkens, Integration of a III-V light emitter on a silicon photonic IC through transfer printing, 13th International Conference on GFP, China, p.166-167 doi:10.1109/group4.2016.7739078 (2016)  Download this Publication (5.3MB).
    3. P. Cardile, A. De Groote, A. Subramanian, D. Delbeke, R. Baets, G. Roelkens, Optically pumped broadband LED emission coupled to SOI waveguides, EMRS 2016, France, p.Paper M.VI.2 (2016).
    4. E.M.P. Ryckeboer, X. Nie, A. Subramanian, D. Martens, P. Bienstman, S. Clemmen, S. Severi, R. Jansen, G. Roelkens, R. Baets, CMOS-compatible silicon nitride spectrometers for lab-on-a-chip spectral sensing, Photonics Europe 2016, Proc. SPIE 9891, Silicon Photonics and Photonic Integrated Circuits V, 98911K (invited), Belgium, doi:10.1117/12.2234978 (2016)  Download this Publication (1.3MB).
    5. R. Baets, A. Subramanian, S. Clemmen, B. Kuyken, P. Bienstman, N. Le Thomas, G. Roelkens, D. Van Thourhout, Ph. Helin, S. Severi, Silicon Photonics: silicon nitride versus silicon-on-insulator, Optical Fiber Communication Conference 2016 (invited), United States, p.Th3J.1 doi:10.1364/ofc.2016.th3j.1 (2016)  Download this Publication (245KB).
    6. A. De Groote, P. Cardile, A. Subramanian, D. Delbeke, R. Baets, G. Roelkens, A novel approach to an efficient LED on SOI, IEEE Photonics Society Benelux, Belgium, p.103-106 (2016)  Download this Publication (705KB).
    7. A. Dhakal, P.C. Wuytens, F. Peyskens, A. Subramanian, A. Skirtach, N. Le Thomas, R. Baets, Nanophotonic Lab-On-A-Chip Raman Sensors: a Sensitivity Comparison with Confocal Raman Microscope, BioPhotonics 2015, Italy, p.Th6.3 doi:10.1109/biophotonics.2015.7304021 (2015)  Download this Publication (433KB).
    8. S. Clemmen, H. Zhao, F. Peyskens, A. Dhakal, P.C. Wuytens, A. Subramanian, N. Le Thomas, R. Baets, Coherent anti-Stokes Raman spectroscopy on chip, 28th IEEE Photonics Conference (IPC 2015), United States, p.623-624 doi:10.1016/b978-0-12-710404-1.50007-3 (2015)  Download this Publication (169KB).
    9. W. Van Roy, P. Neutens, T. Claes, R. Jansen, A. Subramanian, K. Jans, J. O'Callaghan, T. Stakenborg, D. Vercruysse, R. Stahl, B. Du Bois, Ph. Helin, A. Stassen, S. Severi, D. Martens, P. Bienstman, P. Deshpande, R. Baets, A. Lambrechts, L. Lagae, X. Rottenberg, P. Van Dorpe, Si and SiN Biophotonic Technology Platform, Applied to Biosensing, Spectroscopy, and Lens-Free Imaging, SSDM2015 (invited), Japan, doi:10.7567/ssdm.2015.a-6-1 (2015)  Download this Publication (92KB).
    10. D. Delbeke, A. Subramanian, P. Cardile, W. Woestenborghs, A. Ruocco, J.W. Hoste, D. Martens, A. Dhakal, P. Bienstman, G. Roelkens, N. Le Thomas, R. Baets, Silicon photonics for on-chip spectrophotometry, 12th International Conference on GPF (invited), United States, p.FC1 doi:10.1109/group4.2015.7305901 (2015)  Download this Publication (897KB).
    11. A. De Groote, P. Cardile, A. Subramanian, M. Tassaert, D. Delbeke, R. Baets, G. Roelkens, A waveguide coupled LED on SOI by heterogeneous integration of InP-based membranes, 12th International Conference on GFP, Canada, p.WG2 doi:10.1109/group4.2015.7305939 (2015)  Download this Publication (304KB).
    12. A. Dhakal, F. Peyskens, A. Subramanian, N. Le Thomas, R. Baets, Enhanced Spontaneous Raman Signal Collected Evanescently by Silicon Nitride Slot Waveguides, CLEO: 2015 - Laser Science to Photonic Applications, United States, p.paper STh4H.3 doi:10.1364/cleo_si.2015.sth4h.3 (2015).
    13. R. Baets, A. Subramanian, A. Dhakal, F. Peyskens, P.C. Wuytens, E.M.P. Ryckeboer, G. Roelkens, N. Le Thomas, Spectroscopic sensing enabled by silicon photonics, Asia Communications and Photonics Conference (ACP) (invited), China, (2014)  Download this Publication (678KB).
    14. P.C. Wuytens, A. M. Yashchenok, A. Subramanian, A. G. Skirtach, R. Baets, Micron - sized dielectric chips with gold nanostructures for intracellular label - free SERS, 19 th Annual Symposium of the IEEE Photonics Society Benelux Chapter, (2014)  Download this Publication (1.9MB).
    15. R. Baets, A. Dhakal, F. Peyskens, P.C. Wuytens, A. Skirtach, N. Le Thomas, A. Subramanian, Resonant enhancement mechanisms in lab-on-chip raman spectroscopy on a silicon nitride waveguide platform, IEEE Photonics Conference 2014 (IPC) (invited), United States, p.500-501 doi:10.1109/ipcon.2014.6995468 (2014)  Download this Publication (1.2MB).
    16. A. Dhakal, P.C. Wuytens, F. Peyskens, A. Subramanian, N. Le Thomas, R. Baets, Evnascent Raman spectroscopy using photonic waveguides, International Conference on raman Spectroscopy- ICORS 2014, Germany, p.WeA-O-006 (2014)  Download this Publication (269KB).
    17. P.C. Wuytens, A. M. Yashchenok, A. Subramanian, R. Baets, A. G. Skirtach, Label-free monitoring of microcapsule-enabled intracellular release using gold-nanoparticle coated microchips , International Conference on Raman Spectroscopy, Germany, p.Mop-HS4-1 (2014).
    18. F. Peyskens, A. Subramanian, P. Neutens, A. Dhakal, P.C. Wuytens, P. Van Dorpe, N. Le Thomas, R. Baets, Enhancement of Raman scattering efficiency by on-chip nanoplasmonic antennas, Surface-Enhanced Spectroscopies 2014 conference, Germany, (2014).
    19. P.C. Wuytens, A. M. Yashchenok, A. Subramanian, R. Baets, A.G. Skirtach, Label-free monitoring of microcapsule-enabled intracellular release using goldnanoparticle coated microchips, Surface Enhanced Spectroscopies 2014, Germany, p.158 (2014)  Download this Publication (1.4MB).
    20. A. Dhakal, P.C. Wuytens, F. Peyskens, A. Subramanian, N. Le Thomas, R. Baets, Silicon-nitride waveguides for on-chip Raman spectroscopy, SPIE Photonics Europe 14, doi:10.1117/12.2057509 (2014)  Download this Publication (567KB).
    21. P.CU Wuytens, A. M. Yashchenok, A. Subramanian, A. G. Skirtach, R. Baets, Gold Nanoparticle Coated Silicon Nitride chips for Intracellular Surface-Enhanced Raman Spectroscopy, CLEO, STh4H.7, United States, doi:10.1364/cleo_si.2014.sth4h.7 (2014)  Download this Publication (217KB).
    22. A. Dhakal, P.C. Wuytens, F. Peyskens, A. Subramanian, N. Le Thomas, R. Baets, Raman spectroscopy using photonic waveguides, IPS Benelux 2013, Netherlands, (2013)  Download this Publication (5.5MB).
    23. N. Le Thomas, A. Dhakal, F. Peyskens, A. Subramanian, T. Claes, K. De Vos, E.M.P. Ryckeboer, R. Bockstaele, P. Bienstman, R. Baets, Biological sensing with integrated silicon and silicon nitride photonics, The 2nd BioPhotonics Conference (invited), Taiwan, p.28-29 (2013)  Download this Publication (296KB).
    24. A. Dhakal, F. Peyskens, A. Subramanian, N. Le Thomas, R. Baets, Enhancement of light absorption, scattering and emission in high index contrast waveguides, OSA- Advanced Photonics Congress, Optical Sensors, United States, p.ST2B.5  doi:10.1364/sensors.2013.st2b.5 (2013)  Download this Publication (1.2MB).
    25. F. Peyskens, A. Subramanian, A. Dhakal, N. Le Thomas, R. Baets, Enhancement of Raman Scattering Efficiency by a Metallic Nano-antenna on Top of a High Index Contrast Waveguide, CLEO 2013, United States, p.paper CM2F.5.pdf doi:10.1364/cleo_si.2013.cm2f.5 (2013)  Download this Publication (313KB).
    26. 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 doi:10.1117/12.2010498 (2013)  Download this Publication (1MB).
    27. 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).
    28. A. Dhakal, A. Subramanian, N. Le Thomas, R. Baets, The role of index contrast in the efficiency of absorption and emission of a luminescent particle near a slab waveguide, 16th European Conference on Integrated Optics (ECIO 2012), Spain, p.paper 131 (2012)  Download this Publication (360KB).
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