Photonics Research Group Home
Ghent University People
About People Research Publications Education Services
 IMEC
intern

 

Back to list

Dr. ir. Jan Willems  (Doctoral Researcher)

This person is no longer working in this group.

Affiliation: Belgacom
PhD Thesis: Jan Willems, Modellering en ontwerp van geïntegreerde optische filters en lasers met een golflengte breed afstembereik, Modelling and design of integrated optical filters and lasers with a broad wavelength tuning range, 1/1995

Patents

Publications (19)

    International Journals

  1. J. Willems, J. Haes, R. Baets, The bidirectional mode expansion method for two-dimensional waveguides: the TM case, Optical and Quantum Electronics, 27, p.995-1007 doi:10.1007/bf00558491 (1995).
  2. J. Willems, G. Morthier, R. Baets, Integrable devices for wavelength multiplexing optical communication systems, Annales des Telecommunications, 48( 7-8), p.348-355 (1993).
  3. J. Buus, W.J. Stewart, J. Haes, J. Willems, R. Baets, Spot size expansion for laser-to-fiber coupling using an integrated multimode coupler, IEEE, Journal of Lightwave Technology, 11(4), p.582-588 doi:10.1109/50.248121 (1993).
  4. J. Willems, K. David, G. Morthier, R. Baets, Investigation of a novel Bragg reflector : partly gain-coupled DBR filter, IEE Proceedings, 139(1), doi:10.1049/ip-j.1992.0010 (1992).
  5. J. Willems, K. David, G. Morthier, R. Baets, Filter characteristics of DBR amplifier with index and gain coupling, Electronics Letters, 27(10), p.831-833 doi:10.1049/el:19910521 (1991).
      International Conferences

    1. J. Haes, J. Willems, R. Baets, Study of power conservation at waveguide discontinuities using the mode expansion method, 1995 Technical Digest Series Integrated Photonics Research, 7, United States, p.115-117 doi:10.1364/ipr.1995.ithg6 (1995).
    2. J. Haes, J. Willems, R. Baets, Design of adiabatic tapers for high contrast step index waveguides, SPIE Linear and Nonlinear Integrated Optics, 2212, German Federal Republic, p.685-693 (1994).
    3. H.P. Nolting, R. Marz, A.D. Capobianco, C. De Angelis, J. Ctyroky, G.R. Hadley, J. Haes, J. Willems, R. Baets, Results of benchmark tests for different numerical BPM algorithms, SPIE Linear and Nonlinear Integrated Optics, 2212, German Federal Republic, p.275-295 doi:10.1109/50.365209 (1994).
    4. H.P. Nolting, R. März, A.D. Capobianco, C. De Angelis, J. Ctyroky, G.R. Hadley, J. Haes, J. Willems, R. Baets, Benchmark results for BPM algorithms, Integrated Photonics Research Conf.,1994 Tech. Digest Series, 3, United States, p. 2-4 (1994).
    5. J. Willems, J. Haes, R. Baets, Radiation Loss in Grating Assisted Codirectional Couplers, European Conference on Integrated Optics (ECIO, Switzerland, p.3/22-3/23 (1993).
    6. R. Baets, J. Willems, J. Haes, Diversity in Beam Propagation Methods, European Conference on Integrated Optics (ECIO, V(I), Switzerland, p.13/1-13/3 (1993).
    7. J. Willems, J. Haes, R. Baets, Eigenmode propagation analysis of radiation losses in waveguides with discontinuities and grating assisted couplers, Integrated Photonics Research, 10, United States, p.229-232 doi:10.1364/ipr.1993.ituc3 (1993).
    8. J. Haes, J. Willems, R. Baets, J. Buus, W.J. Stewart, New structure for efficiently coupling a waveguide to an optical fiber, Proceedings of OFC/IOOC, 4, United States, p.118-119 doi:10.1364/ofc.1993.wh8 (1993).
    9. J. Willems, G. Morthier, R. Baets, Novel widely tunable integrated optical filter with spectral selectivity, Proceedings of ECOC, 1, Germany, p.413-416 (1992).
    10. R. Baets, J. Willems, G. Morthier, Integrable devices for wavelength multiplexing optical communication systems, Proceedings of the 2nd International Symposium on Signals, Systems and Electronics, 1, France, p.298-303 (1992).
    11. J. Willems, G. Morthier, R. Baets, Characteristics of a codirectionally coupled laser diode and of a DFB laser with sampled grating, COST-240 workshop, Italy, (1992).
    12. J. Willems, G. Morthier, R. Baets, Analysis and design of grating-assisted codirectionally coupled laser diodes, Proceedings of the Conference on Semiconductor and Integrated Optoelectronics, United Kingdom, (1992).
    13. J. Willems, G. Morthier, R. Baets, Threshold gain of a grating-assisted codirectionally coupled twin-guide laser diode, Proceedings of the Topical Meeting on Integrated Photonics Research, United States, p.310-311 doi:10.1364/ipr.1992.wf3 (1992).
    14. J. Willems, K. David, G. Morthier, R. Baets, Theoretical analysis of distributed bragg reflector filters with gain coupling, Semiconductor and Integrated Opto-electronics (SIOE), United Kingdom, (1991).
        Click here for a printable publication list.

        Back to list