Ellipsometry and Polariton Physics Group

Dr. Helena Franke

Anklicken und Vergrößern

Address   CV   Research/Projects   Publications   Conferences   Seminars  


PhD Thesis      Research reports     

Journal articles:
In press   2015   2014   2013   2012   2011   2010   2009  

Electronic documents are intended for internal use only.


PhD Thesis

      PLD-grown ZnO-based Microcavities for Bose-Einstein Condensation of Exciton-Polaritons
H. Franke, 2012
[View PDF]

Research reports

      See also Research Reports of the Physics Institutes,
Universität Leipzig, M. Grundmann (Editor)
    2013 (pdf, 43 MB)
    2012 (pdf, 40 MB)
    2011 (pdf, 56 MB)
    2010 (pdf, 42 MB)
    2009 (pdf, 24 MB)
    2008 (pdf, 30 MB)
    2007 (pdf, 17 MB), ISBN 978-3-934178-94-6

Journal articles:


Articles in press:

    23. Discrete relaxation of exciton-polaritons in an inhomogeneous potential
T. Michalsky, H. Franke, C. Sturm, M. Grundmann, and R. Schmidt-Grund
arXiv:1501.02644 (2015) [View PDF] [arXiv]
    22. Cavity Polariton Condensate in a Disordered Environment
M. Thunert, A. Janot, H. Franke, C. Sturm, T. Michalsky, M.D. Martin, L. Vina, B. Rosenow, M. Grundmann, and R. Schmidt-Grund
arXiv:1412.8667 (2014) [View PDF] [arXiv]


    21. Parametric relaxation in whispering-gallery mode exciton-polariton condensates
C.P. Dietrich, R. Johne, T. Michalsky, C. Sturm, P. Eastham, H. Franke, M. Lange, M. Grundmann, and R. Schmidt-Grund
Phys. Rev. B: Rapid Communication 91, 041202(R)(2015) [View PDF] [DOI-link]


    20. Improving the optical properties of self-catalyzed GaN microrods towards whispering gallery mode lasing
C. Tessarek, R. Röder, T. Michalsky, S. Geburt, H. Franke, R. Schmidt-Grund, M. Heilmann, B. Hoffmann, C. Ronning, M. Grundmann, and S. Christiansen
ACS Photonics 1, 990 (2014) [View PDF] [DOI-link]
    19. Inhibition and Enhancement of the Spontaneous Emission of Quantum Dots in Micropillar Cavities with Radial Distributed Bragg Reflectors
T. Jakubczyk, H. Franke, T. Smolenski, M. Sciesiek, W. Pacuski, A. Golnik, R. Schmidt-Grund, M. Grundmann, C. Kruse, D. Hommel, and P. Kossacki
ACS Nano 8, 9970 (2014) [View PDF] [DOI-link]


    18. Temperature dependent dielectric function in the near-infrared to vacuum-ultraviolet ultraviolet spectral range of alumina and yttria stabilized zirconia thin films
R. Schmidt-Grund, T. Lühmann, T. Böntgen, H. Franke, D. Opper, M. Lorenz, and M. Grundmann
J. Appl. Phys. 114, 223509 (2013) [View PDF] [DOI-link]


    17. Ballistic propagation of exciton-polariton condensates in a ZnO-based microcavity
H. Franke, C. Sturm, R. Schmidt-Grund, G. Wagner, and M. Grundmann
New J. Phys. 14, 013037 (2012) [View PDF] [DOI-link]


    16. Occupation behaviour of the lower exciton-polariton branch in ZnO-based microresonators
C. Sturm, H. Hilmer, R. Schmidt-Grund, and M. Grundmann
AIP Conference Proceeding Series 1399, 447 (2011), [View PDF] [DOI-link]
    15. Cavity-photon dispersion in 1D confined microresonators with an optically anisotropic cavity material
C. Sturm, H. Hilmer, B. Rheinländer, R. Schmidt-Grund, and M. Grundmann
Phys. Rev. B 83, 205301 (2011) [View PDF] [DOI-link]
    14. Exciton-polaritons in a ZnO-based microcavity: polarization dependence and non-linear occupation
C. Sturm, H. Hilmer, R. Schmidt-Grund, and M. Grundmann
New J. Phys. 13, 033014 (2011) [View PDF] [DOI-link]
    13. Oxide thin film heterostructures on large area, with flexible doping, low dislocation density and smooth interfaces - grown by Pulsed Laser Deposition
M. Lorenz, H. Hochmuth, C. Grüner, H. Hilmer, A. Lajn, D. Spemann, M. Brandt, J. Zippel, R. Schmidt-Grund, H. von Wenckstern, and M. Grundmann
Laser Chemistry 2011, Article ID 140976 (2011) [View PDF] [DOI-link]


    12. Polarization dependence of the exciton-polariton emission in ZnO based resonators
C. Sturm, H. Hilmer, R. Schmidt-Grund, and M. Grundmann
Mater. Res. Soc. Symp. Proc. 1208, 1208-O18-08 (2010), [View PDF] [DOI-link]
    11. Two-dimensional confined photonic wire resonators - strong light-matter coupling
R. Schmidt-Grund, H. Hilmer, A. Hinkel, C. Sturm, B. Rheinländer, V. Gottschalch, M. Lange, J. Zúñiga-Pérez, and M. Grundmann
phys. stat. sol. b 247, 1351 (2010), [View PDF] [DOI-link]
    10. Gold nanostructure matrices by diffraction mask-projection laser ablation: extension to previously inaccessible substrates
M. Mäder, S. Perlt, T. Höche, H. Hilmer, M. Grundmann, and B. Rauschenbach1
Nanotechnology 21, 175304 (2010)[View PDF] [DOI-link]
    9. Low temperature silicon dioxide by thermal atomic layer deposition: Investigation of material properties
D. Hiller, R. Zierold, J. Bachmann, M. Alexe, Y. Yang, J.W. Gerlach, A. Stesmans, M. Jivanescu, U. Müller, J. Vogt, H. Hilmer, P. Löper, M. Künle, F. Munnik, K. Nielsch, and M. Zacharias
J. App. Phys. 107, 064314 (2010)[View PDF] [DOI-link]
    8. Tuning the lateral density of ZnO nanowire arrays and its application as physical templates for radial nanowire heterostructures
B.Q. Cao, J. Zúñiga-Pérez, C. Czekalla, H. Hilmer, J. Lenzner, N. Boukos, A. Travlos, M. Lorenz, and M. Grundmann
J. Mater. Chem. 20, 3848 (2010)[View PDF] [DOI-link]
    7. Observation of Strong Light-Matter Coupling by Spectroscopic Ellipsometry
H. Hilmer, C. Sturm, R. Schmidt-Grund, B. Rheinländer, and M. Grundmann
Superlattices and Microstructures 47, 19 (2010), [View PDF] [DOI-link]
    6. Exciton-polaritons in ZnO microcavity resonators
R. Schmidt-Grund, C. Sturm, H. Hilmer, J. Sellmann, C. Czekalla, B. Rheinländer, J. Lenzner, H. Hochmuth, M. Lorenz, and M. Grundmann
AIP Conf. Proc. 1199 175 (2010) [View PDF] [DOI-link]
    5. PLD Growth of High Reflective All-Oxide Bragg Reflectors for ZnO Resonators
H. Hilmer, J. Sellmann, Ch. Sturm, R. Schmidt-Grund, B. Rheinländer, H. Hochmuth, J. Lenzner, M. Lorenz, and M. Grundmann
AIP Conf. Proc. 1199 151 (2010) [View PDF] [DOI-link]


    4. Homogeneous core/shell ZnO/ZnMgO quantum well heterostructures on vertical ZnO nanowires
B.Q. Cao, J. Zúñiga-Pérez, N. Boukos, C. Czekalla, H. Hilmer, J. Lenzner, A. Travlos, M. Lorenz, and M. Grundmann
Nanotechnology 20, 305701 (2009)[View PDF] [DOI-link]
    3. ZnO nano-pillar resonators with coaxial Bragg reflectors
R. Schmidt-Grund, A. Hinkel, H. Hilmer, J. Zúñiga-Pérez, Ch. Sturm, B. Rheinländer, and M. Grundmann
in "Semiconductor Nanowires - Growth, Size-Dependent Properties, and Applications", edited by Ali Javey
(Mater. Res. Soc. Symp. Proc. Volume 1178E, Warrendale, PA, 2009), 1178-AA10-13 [View PDF] [DOI]
    2. Observation of strong exciton-photon coupling at temperatures up to 410 K
C. Sturm, H. Hilmer, R. Schmidt-Grund, and M. Grundmann
New J. Phys. 11, 073044 (2009)[View PDF] [DOI-link]
    1. Strong Exciton-Photon Coupling in ZnO based Resonators
C. Sturm, H. Hilmer, R. Schmidt-Grund, C. Czekalla, J. Sellmann, J. Lenzner, M. Lorenz, and M. Grundmann
J. Vac. Sci. Technol. B 27, 1726 (2009) [View PDF] [DOI-link]
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