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Dr. ir. Ali Raza 

This person worked in the group from 2015 till 2019.

E-mail: ali.raza@ugent.be
LinkedIn: https://www.linkedin.com/in/ali-raza-38a30565/
Personal Homepage: https://www.researchgate.net/profile/Ali_Raza98/info
Promotors: Roel Baets and Stephane Clemmen
PhD Thesis: Ali Raza, Ramanspectroscopie versterkt door ge¨ıntegreerde di ¨ elektrische en metalen golfgeleiders, Raman spectroscopy enhanced by on-chip dielectric and metal waveguides, 12/2019
AliRaza

Specific Research Topics

Publications (32)

    International Journals

  1. Y. Li, H. Zhao, A. Raza, S. Clemmen, R. Baets, Surface-enhanced Raman spectroscopy based on plasmonic slot waveguides with free-space oblique illumination, Journal of Quantum Electronics, 56(1), p.paper 7200108 (8 pages) doi:10.1109/jqe.2019.2946839 (2020)  Download this Publication (3.1MB).
  2. H. Zhao, Bettina Baumgartner, A. Raza, Andre Skirtach, Bernhard Lendl, R. Baets, Multiplex volatile organic compound Raman sensing with nanophotonic slot waveguides functionalized with a mesoporous enrichment layer, Optics Letters, 45(2), p.447-450 doi:10.1364/OL.379469 (2020)  Download this Publication (821KB).
  3. N. Turk, A. Raza, P.C. Wuytens, M. Van Daele, C. Detavernier, A. Skirtach, K. Gevaert, R. Baets, Comparison of Free-Space and Waveguide-Based SERS Platforms., Nanomaterials (invited), 9(10), p.paper 1404 (1-14) doi:10.3390/nano9101401 (2019)  Download this Publication (1.8MB).
  4. Michiel Van Daele, Matthew Griffiths, A. Raza, Solano Matthias, Feng Eduardo, Ji-Yu Feng, Ranjith Ramachandran, S. Clemmen, R. Baets, Sean Barry, Christophe Detavernier , Jolien Dendooven, Plasma-enhanced atomic layer deposition of nanostructured gold near room temperature, ACS Appl. Mater. Interfaces, 40(11), p.37229-37238 doi:10.1021/acsami.9b10848 (2019)  Download this Publication (3.8MB).
  5. A. Raza, S. Clemmen, P.C. Wuytens, Michiel de Goede, Amy Tong, N. Le Thomas, Chengyu Liu, Jin Suntivich, Andre Skirtach, Sonia Garcia-Blanco, Daniel Blumenthal, James Wilkinson, R. Baets, High index contrast photonic platforms for on-chip Raman spectroscopy, Optics Express, 27(16), p.23067-23079 doi:10.1364/OE.27.023067 (2019)  Download this Publication (1.3MB).
  6. J. Losada, A. Raza, S. Clemmen, A. Serrano, A. Griol, R. Baets, A. Martinez, SERS detection via individual bow-tie nanoantenna integrated in SiN waveguides, IEEE Journal on Selected Topics in Quantum Electronics, doi:10.1109/jstqe.2019.2896200 (2019).
  7. 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) doi:10.1063/1.5048266 (2018)  Download this Publication (1.2MB).
  8. 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 doi:10.1515/nanoph-2018-0003 (2018)  Download this Publication (1.1MB).
  9. 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 doi:10.1364/OPTICA.5.000328 (2018)  Download this Publication (1.1MB).
  10. 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 doi:10.1364/OL.43.001403 (2018)  Download this Publication (1.5MB).
  11. 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).
  12. A. Dhakal, P.C. Wuytens, A. Raza, N. Le Thomas, R. Baets, Silicon Nitride Background in Nanophotonic Waveguide Enhanced Raman Spectroscopy, Materials, 10(140), doi:10.3390/ma10020140 (2017)  Download this Publication (1.6MB).
  13. 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 doi:10.1098/rsfs.2016.0015 (2016).
  14. 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).
      International Conferences

    1. Michiel Van Daele, Matthew B. E. Griffiths, A. Raza, Matthias M. Minjauw, , Seán T. Barry, R. Baets, Christophe Detavernier, Jolien Dendooven, Near room temperature plasma enhanced atomic layer deposition of gold metal, accepted for publication in EuroCVD 22 - Baltic ALD, Luxembourg,  (to be published).
    2. H. Zhao, A. Raza, Bettina Baumgartner, S. Clemmen, Bernhard Lendl, Andre Skirtach, R. Baets, Waveguide-Enhanced Raman Spectroscopy Using a Mesoporous Silica Sorbent Layer for Volatile Organic Compound (VOC) Sensing, Conference on Lasers and Electro-Optics (CLEO), United States, p.paper STh1F.7 (2 pages) doi:10.1364/CLEO_SI.2019.STh1F.7 (2019)  Download this Publication (1.6MB).
    3. A. Raza, S. Clemmen, Michiel Van Daele, Jolien Dendooven, Matthew B. E. Griffiths, Sean T. Barry, Andre Skirtach, Christophe Detavernier, R. Baets, On-chip surface enhanced Raman spectroscopy using ALD grown plasmonic nanotrenches integrated with a silicon nitride slot waveguide, European Conference on Integrated Optics (ECIO 2019), 21, Belgium, p.paper T.B1.3 (2019)  Download this Publication (1.4MB).
    4. Z. Liu, H. Zhao, A. Raza, N. Le Thomas, R. Baets, On the Performance of Tantalum Pentoxide and Silicon Nitride Slot Waveguides for On-Chip Raman Spectroscopy, European Conference on Integrated Optics, Belgium, p.paper W.Po1.26 (3 pages) (2019)  Download this Publication (1.4MB).
    5. A. Raza, S. Clemmen, M. V. Daele, P.C. Wuytens, J. Dendooven, C. Detavernier, R. Baets, The comparison of on-chip SERS substrates: Nanoplasmonic bowtie antenna vs metal slot waveguide, Proceedings of the 23rd Annual Symposium of the IEEE Photonics Benelux Chapter, Belgium, (2018)  Download this Publication (408KB).
    6. N. Turk, A. Raza, P.C. Wuytens, H. Demol, A. Skirtach, K. Gevaert, R. Baets, Towards SERS-based on-chip detection of protease activity using nanoplasmonic slot waveguides, Proceedings of the 23rd Annual Symposium of the IEEE Photonics Benelux Chapter, Belgium, (2018).
    7. A. Raza, J. Losada, S. Clemmen, R. Baets, A. Griol, A. Martinez, Surface enhanced Raman spectroscopy via isolated plasmonic nanoantennas integrated on silicon nitride waveguides, European Conference on Integrated Optics (ECIO, Spain, p.104-106 (2018).
    8. A. Raza, S. Clemmen, M. de Goede, R. Ali, P. Hua, S. M. Garcia-Blanco, S. Honkanen, J. S. Wilkinson, R. Baets, The performance of High-Index-Contrast Photonics Platforms for On-Chip Raman Spectroscopy, European Conference on Integrated Optics (ECIO, Spain, p.35-37 (2018)  Download this Publication (195KB).
    9. H. Zhao, S. Clemmen, A. Raza, R. Baets, Demonstration of Stimulated Raman Scattering on a Silicon Nitride Photonic Integrated Waveguide, Conference on Lasers and Electro-Optics (CLEO 2018), United States, doi:10.1364/CLEO_SI.2018.SM1B.3 (2018)  Download this Publication (2.1MB).
    10. A. Raza, M. Van Daele, P.C. Wuytens, J. Dendooven, C. Detavernier, S. Clemmen, R. Baets, E-beam-lithography free plasmonic slot waveguides for on-chip Raman spectroscopy, CLEO 2018, United States, p.paper SW3L.6 doi:10.1364/CLEO_SI.2018.SW3L.6 (2018).
    11. N. Le Thomas, A. Raza, R. Baets, Thermo-refractive noise at high frequency: beyond the conventional model, CLEO 2018, United States, p.paper SW3L.5 (2 pages) doi:10.1364/cleo_si.2018.sw3l.5 (2018)  Download this Publication (330KB).
    12. N. Turk, P.C. Wuytens, A. Raza, A. Skirtach, R. Baets, Organic Adhesion Layer for an Increased Waveguide-Excited Surface-Enhanced Raman Signal, Frontiers in Optics, United States, p.paper JW3A.82 (2 pages) doi:10.1364/fio.2017.jw3a.82 (2017)  Download this Publication (615KB).
    13. A. Raza, F. Peyskens, P.C. Wuytens, S. Clemmen, P. V. Dorpe, R. Baets, Detection of Surface-enhanced Raman Signals from a Single Nanoplasmonic Antenna Integrated on a Single Mode Waveguide , CLEO: Science and Innovations,, United States, p.paper SM.4D.6 doi:10.1364/cleo_si.2017.sm4d.6 (2017)  Download this Publication (559KB).
    14. A. Raza, P.C. Wuytens, F. Peyskens, S. Clemmen, P. V. Dorpe, R. Baets, On-chip Enhanced Raman spectroscopy using metal slot waveguide, European Conference on Integrated Optics (ECIO), 19(T7.4), Netherlands, (2017).
    15. 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).
    16. A. Raza, F. Peyskens, S. Clemmen, R. Baets, Towards Single Antenna On-Chip Surface Enhanced Raman Spectroscopy: Arch Dipole Antenna, The 7th International Conference on Metamaterials, Photonic Cyrstals and Plasmonics (META'16), 7, Spain, p.1196-1197 (2016)  Download this Publication (480KB).
    17. A. Dhakal, A. Raza, P.C. Wuytens, F. Peyskens, A. Skirtach, R. Baets, Lab-on-a-chip Raman sensors outperforming Raman microscopes, CLEO, United States, p.paper SM2O.3 doi:10.1364/cleo_si.2016.sm2o.3 (2016).
        National Conferences

      1. P.C. Wuytens, A. Raza, H. Zhao, N. Turk, F. Peyskens, X. Nie, A. Dhakal, E.M.P. Ryckeboer, S. Clemmen, N. Le Thomas, R. Baets, On-chip Raman Spectroscopy, FEA Research Syposium 2017, Belgium, (2017)  Download this Publication (5MB).
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