Ellipsometry and Polariton Physics Group

Dr. Helena Franke

Anklicken und Vergrößern

Address   CV   Research/Projects   Publications   Conferences   Seminars  

Conferences

2012   2011   2010   2009   2008  

    2012:


  • 50. S. Linke, C. Sturm, H. Franke, S. Richter, R. Schmidt-Grund, M. Grundmann
    Spin-Polarisation of exciton-polaritons in ZnO-based microcavities under non-resonant excitation
    68.49, Poster at the 31th International Conference on the Physics of Semiconductors, ICPS2012, Zurich, Switzerland, July 2012

  • 49. H. Franke, A. Janot, C. Sturm, R. Schmidt-Grund, T. Hyart, B. Rosenow, M. Grundmann
    Disorder e.ects in polariton condensates in a ZnO-based microcavity
    38.42, Poster at the 31th International Conference on the Physics of Semiconductors, ICPS2012, Zurich, Switzerland, July 2012

  • 48. H. Franke, C. Sturm, A. Meißner, R. Schmidt-Grund, M. Grundmann
    ZnO-based microcavities with different dimensionality
    Talk at the ICSNN 2012, Dresden, Germany, July 2012

  • 47. H. Franke, C. Sturm, R. Schmidt-Grund, T. Michalsky, G. Wagner, M. Grundmann
    Exciton-polariton condensates in a ZnO-based microcavity
    HL 54.1, Talk at the DPG spring meeting, Berlin, Germany, March 2012

  • 46. S. Linke, S. Richter, C. Sturm, H. Franke, R. Schmidt-Grund, M. Grundmann
    Investigation of the polarisation properties of the polariton emission
    HL 26.6, Poster at the DPG spring meeting, Berlin, Germany, March 2012

  • 45. C. Heinrichs, C. Sturm, H. Franke, S. Linke, T. Böntgen, R. Schmidt-Grund, M. Grundmann
    Time Resolved Generallized Ellipsometry
    HL 25.2, Poster at the DPG spring meeting, Berlin, Germany, March 2012

  • 44. M. Lange, C.P. Dietrich, M. Stölzel, H. Franke, and M. Grundmann
    ZnO microwire quantum well heterostructures
    Talk at the SPIE Photonics West 2012, San Francisco, CA, USA, 2012

  • 2011:


  • 43. C.P. Dietrich, M. Lange, M. Stölzel, H. Franke, and M. Grundmann
    ZnO microwire quantum well heterostructures
    Talk at the MRS Fall Meeting 2011, Boston, MA, USA, November/December 2011

  • 42. H. Franke, C. Sturm, R. Schmidt-Grund, and M. Grundmann
    Nonequilibrium exciton-polariton Bose-Einstein condensates in a ZnO based microcavity
    Tu4-C-2, Talk at the OECS 12, Parice, France, September 2011

  • 41. C. Sturm, H. Franke, S. Linke, R. Schmidt-Grund, and M. Grundmann
    Stokes-vector analysis of the exciton-polariton emission from a ZnO-based microcavity
    TuP53, Poster at the OECS 12, Parice, France, September 2011

  • 40. T. Jakubczyk, W. Pacuski, A. Golnik, C. Kruse, D. Hommel, H. Hilmer, R. Schmidt-Grund, J.A. Gaj
    Control over CdTe QDs emission using ZnTe-based micropillar cavities
    40th "Jaszowiec" International School and Conference on the Physics of Semiconductors, Krynica-Zdroj, Poland, June 2011

  • 39. H. Hilmer, C. Sturm, R. Schmidt-Grund, and M. Grundmann
    Trapped polariton condensates in a ZnO-based microcavity
    O13B4, Talk at the 11th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN11), Berlin, April 2011

  • 38. H. Hilmer, C. Sturm, R. Schmidt-Grund, J. Zúñiga-Pérez, M. Lange, A. Meißner, J. Lenzner, G. Zimmermann, M. Cornejo, R. Fechner, F. Frost, H. Hochmuth, M. Lorenz, and M. Grundmann
    PLD growth of ZnO-based planar and cylindrical microresonators
    P2A31, Poster at the 11th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN11), Berlin, April 2011

  • 37. C. Sturm, H. Hilmer, R. Schmidt-Grund, and M. Grundmann
    Exciton-polariton occupation in a ZnO-based microcavity: polarization and non-linear effects
    P2A11, Poster at the 11th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN11), Berlin, April 2011

  • 36. C. Sturm, H. Hilmer, R. Schmidt-Grund, and M. Grundmann
    Cavity-photon dispersion in 1D confined anisotropic microcavities
    P1A17, Poster at the 11th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN11), Berlin, April 2011

  • 35. D. Schumacher, R. Schmidt-Grund, H. Hilmer, C. Sturm, H. Hochmuth, M. Lorenz, and M. Grundmann
    Low-temperature dielectric tensor of MgZnO thin films and ZnO single crystals
    HL 57.3, Talk at the DPG spring meeting, Dresden, March 2011

  • 34. C. Sturm, H. Hilmer, R. Schmidt-Grund, and M. Grundmann
    Cavity-photon mode dispersion in 1D confined optically anisotropic microresonators
    HL 44.90, Poster at the DPG spring meeting, Dresden, March 2011

  • 33. H. Hilmer, T. Michalsky, C. Sturm, R. Schmidt-Grund, J. Zúñiga-Pérez, R. Fechner, F. Frost, and M. Grundmann
    Combinatorial growth of ZnO resonators
    HL 44.89, Poster at the DPG spring meeting, Dresden, March 2011

  • 32. H. Hilmer, C. Sturm, S. Linke, R. Schmidt-Grund, and M. Grundmann
    ZnO mesa-structures in planar microcavities
    HL 16.10, Talk at the DPG spring meeting, Dresden, March 2011

  • 31. C. Sturm, H. Hilmer, S. Linke, R. Schmidt-Grund, and M. Grundmann
    Polarization properties of the exciton-polariton occupation in ZnO-based microresonators
    HL 16.9, Talk at the DPG spring meeting, Dresden, March 2011

  • 30. C. Sturm, H. Hilmer, S. Linke, R. Schmidt-Grund, and M. Grundmann
    Pseudo-ellipsometry on ZnO-based microresonators in the strong coupling regime
    Poster at the 6th workshop ellipsometry, Berlin, Germany, February 21-24, 2011

  • 29. D. Schumacher, R. Schmidt-Grund, P. Kühne, H. Hilmer, C. Sturm, H. Hochmuth, M. Lorenz, and M. Grundmann
    Low-temperature dielectric tensor of MgZnO thin films and ZnO single crystals
    Poster at the 6th workshop ellipsometry, Berlin, Germany, February 21-24, 2011

  • 2010:


  • 28. R. Schmidt-Grund, H. Hilmer, B. Rheinländer, V. Gottschalch, A. Hinkel, C. Strum, M. Lange, J. Zúniga Pérez, M. Lorenz, and M. Grundmann
    Funktionalisierung der Oberflächen von Mikro- und Nanostrukturen mittels dielektrischer Mehrfachschichten
    Talk at the ThGOT 2010, 2. Thüringer Kolloquium "Dünne Schichten in der Optik", Gera, Germany, September 7-9, 2010

  • 27. M. Lorenz, J. Zúñiga-Pérez, B. Cao, G. Zimmermann, M. Lange, C.P. Dietrich, C. Czekalla, T. Nobis, H. Hilmer, C. Sturm, R. Schmidt-Grund, and M. Grundmann
    ZnO-based nano- and microstructures for advanced optical and electronic applications
    P 137, Talk at the 6th International Workshop on Zinc Oxide and Related Materials, Changchun, China, August 5-7, 2010

  • 26. R. Schmidt-Grund, H. Hilmer, A. Hinkel, J. Zúñiga Pérez, C. Sturm, M. Lange, G. Zimmermann, J. Lenzner, M. Lorenz, and M. Grundmann
    Two- and three-dimensional confined optical modes in nano-pillar resonators: strong light-matter coupling
    P2-372, Poster at the 30th International Conference on the Physics of Semiconductors, ICPS2010, Seoul, Korea, July 25-30, 2010

  • 25. R. Schmidt-Grund, D. Schumacher, P. Kühne, C. Czekalla, H. Hilmer, C. Sturm, H. Hochmuth, M. Lorenz, and M. Grundmann
    Dielectric tensor of ZnO bulk and microwire single crystals and MgxZn1-xO thin films
    P1-164, Poster at the 30th International Conference on the Physics of Semiconductors, ICPS2010, Seoul, Korea, July 25-30, 2010

  • 24. C. Sturm, H. Hilmer, R. Schmidt-Grund, and M. Grundmann
    Scattering behaviour of exciton-polaritons in a ZnO-based microresonator
    P1-144, Poster at the 30th International Conference on the Physics of Semiconductors, ICPS2010, Seoul, Korea, July 25-30, 2010

  • 23. R. Schmidt-Grund, C. Czekalla, P. Kühne, C. Sturm, H. Hilmer, A. Hinkel, J. Zúñiga Pérez, M. Lange, J. Lenzner, M. Lorenz, and M. Grundmann
    Optical modes in ZnO nano- and micro-wire resonators - lasing and strong light-matter coupling
    Talk at the 8th International Nanotechnology Symposium - New Ideas for Industry, Nanofair2010, Dresden, Germany, July 06-07, 2010

  • 22. David Schumacher, Rüdiger Schmidt-Grund, Philipp Kühne, Helena Hilmer, Chris Sturm, Holger Hochmuth, Michael Lorenz, and Marius Grundmann
    Low-Temperature Dielectric Tensor of a-plane MgxZn1-xO
    P1-79, Poster at the 5th International Conference on Spectroscopic Ellipsometry (ICSE-V), Albany (NY), USA, May 23-28, 2010

  • 21. Chris Sturm, Helena Hilmer, Rüdiger Schmidt-Grund, and Marius Grundmann
    Strong light matter coupling with free and localized donor bound excitons
    HL 25.6, Talk at the DPG spring meeting, Regensburg, March 2010

  • 20. Chris Sturm, Helena Hilmer, Rüdiger Schmidt-Grund, and Marius Grundmann
    Polarization behaviour of the exciton-polariton emission in ZnO microresonators
    HL 61.33, Poster at the DPG spring meeting, Regensburg, March 2010

  • 19. Helena Hilmer, Chris Sturm, Rüdiger Schmidt-Grund, Jesús Zúñiga-Pérez, Holger Hochmuth, Marina Cornejo, Frank Frost, and Marius Grundmann
    Fabrication of ZnO cavities for planar microresonators
    HL 61.29, Poster at the DPG spring meeting, Regensburg, March 2010

  • 18. Annekatrin Meissner, Rüdiger Schmidt-Grund, Helena Hilmer, Chris Sturm, Jesus Zúñiga-Pérez, Martin Lange, and Marius Grundmann
    Strong light-matter coupling in ZnO Nano-Pillar Resonators
    HL 25.5, Talk at the DPG spring meeting, Regensburg, March 2010

  • 17. David Schumacher, Rüdiger Schmidt-Grund, Philipp Kühne, Helena Hilmer, Holger Hochmuth, and Marius Grundmann
    Low-temperature dielectric function of a-plane MgxZn1-xO
    HL 60.18, Poster at the DPG spring meeting, Regensburg, March 2010

  • 2009:


  • 16. Helena Hilmer, Chris Sturm, Rüdiger Schmidt-Grund, and Marius Grundmann
    Strong Exciton-Photon Coupling in ZnO-based Microresonators
    O 7.3, Talk at the 2009 MRS Fall Meeting, Boston, USA, November 30 - December 04, 2009

  • 15. Chris Sturm, Helena Hilmer, Rüdiger Schmidt-Grund, and Marius Grundmann
    Polarization Behaviour of the Exciton-polariton Emission in ZnO Based Microresonators
    O 18.8, Poster at the 2009 MRS Fall Meeting, Boston, USA, November 30 - December 04, 2009

  • 14. Rüdiger Schmidt-Grund, Chris Sturm, Helena Hilmer, Annekatrin Hinkel, Jesus Zúñiga Pérez, and Marius Grundmann
    Exciton-polaritons in one- and two-dimensional confined ZnO resonators
    O 37, Talk at the OECS 11, Madrid, Spain, September 7-11, 2009

  • 13. R. Schmidt-Grund A. Hinkel, H. Hilmer, J. Zúñiga Pérez, C. Sturm, C. Czekalla, G. Zimmermann, J. Lenzner, M. Lorenz, and M. Grundmann
    ZnO nano-pillar resonators with coaxial Bragg-Reflectors
    AA10.13, Talk at the 2009 MRS Spring Meeting, San Francisco, USA, April 13-17, 2009

  • 12. C. Sturm H. Hilmer, R. Schmidt-Grund, C. Czekalla, J. Lenzner, H. Hochmuth, B. Rheinländer, M. Grundmann
    Strong Exciton-Photon Coupling up to 410 K
    ThA2-2, Talk at the 9th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN9), Lecce, Italy, April 16-20, 2009

  • 11. H. Hilmer, C. Sturm, R. Schmidt-Grund, J. Zúñiga-Pérez, J. Sellmann, A. Hinkel, C. Czekalla, J. Lenzner, G. Zimmermann, H. Hochmuth, M. Lorenz, B. Rheinländer, and M. Grundmann
    PLD-growth of ZnO-based planar and cylindrical microresonators
    HL 9.80, Poster at the DPG spring meeting, Dresden, March 2009

  • 10. C. Sturm, H. Hilmer, R. Schmidt-Grund, C. Czekalla, M. Lorenz, and M. Grundmann
    Formation of Exciton-Polaritons up to 410 K in ZnO based planar resonators
    HL 3.3, Talk at the DPG spring meeting, Dresden, March 2009

  • 9. A. Hinkel, R. Schmidt-Grund, H. Hilmer, J. Zúñiga-Pérez, C. Sturm, C. Czekalla, M. Lorenz, and M. Grundmann
    Optical Modes in ZnO Nano-Pillar Resonators
    HL 3.1, Talk at the DPG spring meeting, Dresden, March 2009

  • 8. H. Hilmer, C. Sturm, R. Schmidt-Grund, J. Sellmann, H. Hochmuth, M. Lorenz, B. Rheinländer, and M. Grundmann
    Ellipsometry on ZnO-based Microresonators
    Talk at the 5th Workshop Ellipsometry, Zweibrücken, Germany, March 2009
    Winner of the Best-Paper Award

  • 2008:


  • 7. C. Sturm, H. Hilmer, R. Schmidt-Grund, J. Sellmann, C. Czekalla, M. Lorenz, and M. Grundmann
    Strong Exciton-Photon Coupling in a ZnO based Resonator
    D2-3, Talk at the Fifth International Workshop on Zinc Oxide and Related Materials, Ann Arbor Marriott Ypsilanti at Eagle Crest, Michigan, USA, September 2008

  • 6. R. Schmidt-Grund, Ch. Sturm, H. Hilmer, J. Sellmann, Ch. Czekalla, B. Rheinländer, J. Lenzner, H. Hochmuth, A. Rahm, M. Lorenz, and M. Grundmann
    Exciton-polaritons in ZnO microcavity resonators
    Th-M2e-5, Talk at the 28th ICPS, Rio de Janeiro, Brazil, July 2008

  • 5. H. Hilmer, J. Sellmann, Ch. Sturm, R. Schmidt-Grund, Ch. Czekalla, B. Rheinländer, J. Lenzner, H. Hochmuth, M. Lorenz and M. Grundmann
    PLD Growth of High-Reflective All-Oxide Bragg Reflectors for ZnO Resonators
    Tu-PA 053, Poster at the 28th ICPS, Rio de Janeiro, Brazil, July 2008

  • 4. R. Schmidt-Grund, H. Hilmer, C. Czekalla, B. Cao, Ch. Sturm, and M. Grundmann
    Polarisation dependence of the free discrete exciton luminescence in ZnO microwires
    HL 51.48, Poster at the DPG spring meeting, Berlin, February 2008

  • 3. Ch. Sturm, R. Schmidt-Grund, J. Sellmann, H. Hilmer, B. Rheinländer, M. Lorenz, and M. Grundmann
    Calculations of the optical properties of ZnO microcavities for Bose-Einstein condensation
    HL 51.6, Poster at the DPG spring meeting, Berlin, February 2008

  • 2. J. Sellmann, Ch. Sturm, R. Schmidt-Grund, H. Hilmer, H. Hochmuth, C. Czekalla, M. Lorenz, and M. Grundmann
    Structural and optical properties of ZrO2 and Al2O2 thin films and Bragg reflectors grown by pulsed laser deposition
    HL 17.19, Poster at the DPG spring meeting, Berlin, February 2008

  • 1. H. Hilmer, J. Sellmann, Ch. Sturm, R. Schmidt-Grund, H. Hochmuth, J. Zúñiga-Pérez, G. Zimmermann, J. Lenzner, C. Czekalla, G. Benndorf, M. Lorenz, B. Rheinländer, A. Serghei, and M. Grundmann
    PLD growth of ZnO resonators based on all-oxide Bragg reflectors
    HL 14.5, Talk at the DPG spring meeting, Berlin, February 2008

Go back to the main List   /  Go to top Last update October 3rd, 2012