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Ir. Pieter Geiregat 

This person is working in this group since 2010.
Affiliation: Ghent University
Department of Information Technology (INTEC)
Address: Krijgslaan 281 S3
9000 Gent
Belgium
Phone: +32-09-2644865
Fax: +32-9-264 3593
E-mail: Pieter.Geiregat@ugent.be
Research Area: Electrically pumed near-infrared laser using colloidal nanocrystals
Master Thesis: Pieter Geiregat, Infrared Quantum Dot LED, 5/2010
 PieterGeiregat

Specific Research Topics

Publications (18)

    International Journals

  1. P. Geiregat, Y. Justo, S. Flamee, S. Abe, Z. Hens, Giant and Broadband Absorption Enhancement in Colloidal Quantum Dot Monolayers through Dipolar Coupling,ACS Nano, 7(2), p.987–993 (2012)  Download this Publication (1.3MB).
  2. B. De Geyter, K. Komorowska, E. Brainis, P. Emplit, P. Geiregat, A. Hassinen, Z. Hens, D. Van Thourhout, From fabrication to mode mapping in silicon nitride microdisk with embedded colloidal quantum dots,Applied Physucs Letters, 101(16), p.161101~4 (2012)  Download this Publication (1MB).
  3. B. De Geyter, Houtepen, Arjan J., Carrillo, Sergio, P. Geiregat, Gao, Yunan, Ten Cate, Sybren, Schins, Juleon M., D. Van Thourhout, Delerue, Cristophe, Siebbeles, Laurens D.A., Hens, Zeger, Broadband and Picosecond Intraband Relaxation in Lead-Based Colloidal Quantum Dots,ACS Nano, 6(7), p.6067–6074 (2012)  Download this Publication (1022KB).
  4. Yolanda Justo, Bart Goris, John Sundar Kamal, P. Geiregat, Sara Bals, Zeger Hens, Multipe Dot-in-Rod PbS/CdS Heterostructures with High Photoluminescence Quantum Yield in the Near-Infrared,Journal of the American Chemical Society, 134(12), p.5484–5487 (2012)  Download this Publication (282KB).
      International Conferences

    1. A. Omari, P. Geiregat, D. Van Thourhout, Z. Hens, Assessing colloidal quantum dot optical properties through free standing layers on photonic waveguides,accepted for publication in EMRS 2013 Spring & Bilateral,  (to be published).
    2. A. Omari, P. Geiregat, D. Van Thourhout, Z. Hens, Modelling colloidal quantum dots on SOI photonic waveguides,accepted for publication in EMRS 2013 Spring & Bilateral,  (to be published).
    3. A. Omari, P. Geiregat, D. Van Thourhout, Z. Hens, Probing the optical constants at the nanoscale of colloidal prepared films through optical waveguides.,NWO Scientific meeting on Chemistry related to Physics & Material Sciences, Netherlands, (2013).
    4. P. Geiregat, Y. Justo, S. Abe, S. Flamee, Z. Hens, Giant and Broadband Absorption Enhancement in Colloidal Nanocrystal Superlattices through Dipolar Coupling,accepted for publication in EMRS Spring Meeting, France,  (to be published).
    5. B. De Geyter, P. Geiregat, K. Komorowska, A. Hassinen, E. Brainis, D. Van Thourhout, Z. Hens, Embedding Colloidal Nanocrystals in Silicon Nitride Micro-Disk Resonators: From mode-mapping to single dot spectroscopy,accepted for publication in EMRS Spring Meeting, France,  (to be published).
    6. P. Geiregat, A. Omari, Y. Justo, Z. Hens, D. Van Thourhout, Absorption Enhancement in 2D Nanocrystal Superlattices through Near-Field Dipolar Coupling: A Novel Optical Phenomenon at the Nanoscale,accepted for publication in CLEO , United States,  (to be published)  Download this Publication (859KB).
    7. A. Omari, H. Shinchi, P. Geiregat, D. Van Thourhout, Z. Hens, Characterisation of PbS/CdS Qdot absorption on SOI waveguides,Poceedings Symposium IEEE Photonics Society Benelux Chapter, 2012, Mons , Belgium, p.295-298 (2012)  Download this Publication (463KB).
    8. B. De Geyter, P. Geiregat, Y. Gao, S. ten Cate, A.J. Houtepen, J. M. Schins, D. Van Thourhout, L. D.A. Siebbeles, Z. Hens, Broadband and picosecond intraband absorption in lead based colloidal quantum dots,14th International Conference on Transparant Optical Networks (ICTON 2012) (invited), United Kingdom, p.paper Th.A5.4 (2012)  Download this Publication (372KB).
    9. Kilian Devloo-Casier, Jolien Dendooven, Karl F. Ludwig, P. Geiregat, Zeger Hens, Cristophe Detavernier, Nanoscale area selective ZnO growth between a monolayer of nanocrystals,International Conference on Atomic Layer Depsosition, Germany, (2012)  Download this Publication (1.7MB).
    10. P. Geiregat, B. De Geyter, S. Carillo, A. Houtepen, Y. Gao, S. Ten Cate, J. Schins, D. Van Thourhout, C. Delerue, L. Siebbeles, Z. Hens, Broadband and Picosecond Intraband Relaxation in Lead Chalcogenide Nanocrystals,International Quantum Dot Conference 2012, (2012).
    11. P. Geiregat, Y. Justo, H. Zeger, Giant Absorption Enhancement in Colloidal Quantum Dot Supercrystals,International Quantum Dot Conference 2012, United States, (2012)  Download this Publication (266KB).
    12. B. De Geyter, P. Geiregat, A. J. Houtepen, D. Van Thourhout, L. Siebbeles, Z. Hens, Ultrafast Photoinduced Intraband Absorption in PbS, PbSe and PbSe/CdSe Core/Shell Nanocrystals for near-Infrared to Mid-Infrared All-Optical Signal Processing,MRS Fall Meeting 2011, United States, (2011)  Download this Publication (233KB).
    13. Q. Lu, P. Geiregat, D. Van Thourhout, Zeger Hens, Design of Nanocrystal Light Source for Silicon Photonics,IEEE Photonics Annual Meeting 2011, WP4, United States, p.527-528 (2011)  Download this Publication (220KB).
        National Conferences

      1. P. Geiregat, Yolanda Justo, Zeger Hens, Giant Absorption Enhancement in Colloidal Quantum Dot Supercrystals,NB Photonics Annual Meeting, Belgium, (2011).
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