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  4. Dr. Klaus Biermann

Dr. Klaus Biermann

Senior Scientist

+49 30 20377-354

biermann@pdi-berlin.de

Epitaxy

Raum: 715

Forschungsschwerpunkte

Control of Elementary Excitations by Acoustic Fields , Intersubband Emitters: GaAs-based Quantum-Cascade Lasers

Projekte

Publikationen

  1. Titel

    Non-linear intensity dependence of circularly polarized reflectance difference spectra as a probe for spin dynamics in quantum wells

    Author
    L.E. Tapia-Rodrıguez, J.F. Hernandez-Martínez, A. Ramírez-Pérez,, M.A. Lastras-Montaño, O. Ruiz-Cigarrillo, K. Biermann, P. V. Santos, L.F. Lastras-Martinez
    Quelle
    J. Appl. Phys., 140, 125703 (2026)
    DOI:
    10.1063/5.0346326 (PDI-ID: 3213)
  2. Titel

    Surface height modulation in strain relaxation and its smoothing using solid state crystallization in InAs quantum-well growth on GaAs

    Author
    A. Aleksandrova, C. Golz, K. Biermann, A. Trampert, H. Weidlich, Y. Takagaki
    Quelle
    J. Appl. Phys., 139, 195301 (2026)
    DOI:
    10.1063/5.0326370 (PDI-ID: 3177)
  3. Titel

    Strong coupling beyond the high-Q limit and linewidth narrowing in a multiexciton planar microcavity

    Author
    E. A. Cerda-Mendez, Y. G. Rubo, K. Biermann, A. Camacho-Guardian, A. S. Kuznetsov, P. V. Santos
    Quelle
    Phys. Rev. Appl., 25, 044067 (2026)
    DOI:
    10.1103/8d5h-8m97 (PDI-ID: 3182)
  4. Titel

    Ground-state exciton–polariton condensation via coherent Floquet driving

    Author
    A. S. Kuznetsov, I. Carraro-Haddad, G. Usaj, K. Biermann, A. Fainstein, P. V. Santos
    Quelle
    Nat. Photonics, 20, 586-591 (2026)
    DOI:
    10.1038/s41566-026-01855-w (PDI-ID: 3166)
  5. Titel

    High-power micro-optical bench terahertz quantum-cascade laser system

    Author
    R. Voigt, M. Wienold, X. Lü, L. Schrottke, K. Biermann, A. Sahm, Paschke, Katrin, H.-W. Hübers
    Quelle
    IEEE Trans. Terahertz Sci. Technol., 16, 482-486 (2026)
    DOI:
    10.1109/TTHZ.2026.3660256 (PDI-ID: 3151)