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  1. No Access

    Chapter

    Wide-Bandgap Quantum Dot Based Microcavity VCSEL Structures

    In this contribution we report on the optical properties of planar and pillar structured GaN- and ZnSe-based monolithic microcavities. These structures reveal three-dimensional confined optical modes with high...

    K. Sebald, H. Lohmeyer, J. Gutowski, C. Kruse… in Advances in Solid State Physics (2008)

  2. No Access

    Article

    Spatially Resolved Characterization of Plastic Deformation Induced by Focused-Ion Beam Processing in Structured InGaN/GaN Layers

    In this study the results of polychromatic X-ray microbeam analysis (PXM) of the structural changes caused by FIB in nitride heterostructures are presented and discussed in connection with micro-photoluminesce...

    R. Barabash, G. Ice, R. Kroger, H. Lohmeyer, K. Sebald… in MRS Online Proceedings Library (2007)

  3. No Access

    Article

    Comparative investigation of quantum-dot-like localization centers in InGaN quantum well and quantum dot structures

    We present comparative micro-photoluminescence measurements on InGaN/GaN quantum well and quantum dot samples. Single sharp emission lines were investigated for both kinds of samples as a function of temperatu...

    K. Sebald, H. Lohmeyer, J. Gutowski, T. Yamaguchi… in MRS Online Proceedings Library (2005)

  4. No Access

    Article

    Resonant modes in monolithic nitride pillar microcavities

    GaN-based airpost pillar microcavities are realized by focused-ion beam etching starting from an all-epitaxially grown vertical-cavity surface-emitting laser structure. Pillar diameters below 1 μm are well co...

    H. Lohmeyer, K. Sebald, J. Gutowski… in The European Physical Journal B - Condense… (2005)

  5. No Access

    Article

    Micro-photoluminescence studies of excitonic and multiexcitonic states of quantum dot-like localization centers in InGaN/GaN structures

    We present micro-photoluminescence measurements on unstructured InGaN/GaN quantum well samples. Single sharp emission lines were observed and their optical properties were studied as a function of temperature ...

    K. Sebald, H. Lohmeyer, J. Gutowski, S. Einfeldt… in MRS Online Proceedings Library (2004)

  6. No Access

    Article

    Arbeitskreis 8 Die Prophylaxe der Rh-Sensibilisierung

    J. Schneider, F. Bartsch, W. Pollack, N. Müller, H. Welsch… in Archiv für Gynäkologie (1969)

  7. No Access

    Article

    Über Versuche mitOenothera Campylocalyx

    J. Schwemmle, H. Lohmeyer in Zeitschrift für Vererbungslehre (1963)

  8. No Access

    Article

    Über die Endokrinie der menschlichen Gebärmutterschleimhaut

    1. Die Vagina juveniler Vista-Ratten ist ein geeignetes Testobjekt zur Prüfung der hormonellen Aktivität instill...

    H. -F. Geller, H. Lohmeyer in Archiv für Gynäkologie (1959)