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KOCH, Martin Prof. Dr.

Photo of Prof. Dr. Martin KOCH
Principal InvestigatorPhilipps-Universität MarburgDepartment of PhysicsHans-Meerwein-Straße 35032 MarburgPhone: +49-6421 28-22119 (Renthof)Phone: +49-6421 28-22270 (Lahnberge)Link: Project B12 (M Koch)Link: Biography


Experimental physics, laser spectroscopy of semiconductors and semiconductor heterostructures, terahertz spectroscopy

University Education

1995Doctoral degree in Physics (Dr. rer. nat.), Philipps-Universität Marburg, Dissertation on “Quantenschwebungs-Spektroskopie an exzitonischen Übergängen in Halbleiter-Heterostrukturen”, thesis advisor: Prof. E. O. Göbel
1991Diploma degree in Physics (Dipl. Phys.), Philipps-Universität Marburg, supervisor: Prof. E. O. Göbel
1985-1991Studies in Physics, Philipps-Universität Marburg and Ruprecht-Karls-Universität Heidelberg

Professional Experience

since 2009Professor (W3) of Experimental Semiconductor Physics, Philipps-Universität Marburg
2003Visiting scientist, Physics Department, Univ.of California Santa Barbara, CA, USA
1998-2009Professor (C3) at the Technical University of Braunschweig, head of the group “THz Technology”
1996-1998Research assistant, Physics Department, Ludwig-Maximilians-Universität München
1995-1996Post-doc at Bell Laboratories / Lucent Technologies, Holmdel, NJ, USA

Honours, Awards and other Proofs of Qualification

2009Editor-in-chief of the Springer-Journal “Journal of Infrared, Millimeter and Terahertz Waves”
2009IPB Patent Award
2007First chairman of Deutsches Terahertz-Zentrum e. V.
2003Kaiser Friedrich research award
1995“The J. J. Thompson Premium” of the Institute of Engineering and Technology, Great Britain
1994Feodor Lynen Scholarship by Alexander von Humboldt Foundation

Selected Publications

  1. M. Koch, J. Feldmann, G. v. Plessen, E. O. Göbel, P. Thomas, K. Köhler
    Quantum Beats vs. Polarization Interference: An Experimental Distinction
    Phys. Rev. Lett. 69, 3631 (1992).
  2. J. Feldmann, T. Meier, G. v. Plessen, M. Koch, E. O. Göbel, P. Thomas, G. Bacher, C. Hartmann, H. Schweizer, W. Schäfer, H. Nickel
    Coherent Dynamics of Excitonic Wave Packets
    Phys. Rev. Lett. 70, 3027 (1993).
  3. S. T. Cundiff, M. Koch, W. H. Knox, J. Shah, W. Stolz
    Optical Coherence in Semiconductors: Strong Emission Mediated by Nondegenerate Interactions
    Phys. Rev. Lett. 77, 1107 (1996).
  4. S. Imhof, A. Thränhardt, A. Chernikov, M. Koch, N. S. Köster, S. Chatterjee, S. W. Koch, X. Lu, S. R. Johnson, D. A. Beaton, T. Tiedje, O. Rubel
    Clustering Effects in Ga(AsBi)
    Appl. Phys. Lett. 96, 131115 (2010).
  5. P. Jepsen, D. G. Cooke, M. Koch
    Terahertz spectroscopy and imaging – Modern techniques and applications
    Laser Photon. Rev. 5, 124 (2011), invited article.
  6. W.D. Rice, J. Kono, S. Zybell, S. Winner, J. Bhattacharyya, H. Schneider, M. Helm, B. Ewers, A. Chernikov, M. Koch, S. Chatterjee, G. Khitrova, H. M. Gibbs, L. Schneebeli, B. Breddermann, M. Kira, S. W. Koch
    Observation of Forbidden Exciton Transitions Mediated by Coulomb Interactions in Photoexcited Semiconductor Quantum Wells
    Phys. Rev. Lett. 110, 137404 (2013).
  7. A. Arndt, M. Gerhard, A. Quintilla, I. A. Howard, M. Koch, U. Lemmer
    Time-Resolved Charge-Transfer State Emission in Organic Solar Cells: Temperature and Blend Composition Dependences of Interfacial Traps
    J. Phys. Chem C. 119, 13516 (2015).
  8. M. Gerhard, A. P. Arndt, I. A. Howard, A. Rahimi-Iman, U. Lemmer, M. Koch
    Temperature- and Energy-Dependent Separation of Charge-Transfer States in PTB7-Based Organic Solar Cells
    J. Phys. Chem C. 119, 28309 (2015).
  9. C. Möller, C. Fuchs, C. Berger, A. Ruiz Perez, M. Koch, J. Hader, J.V. Moloney, S. W. Koch, W. Stolz
    Type-II VECSEL with Watt Level Output Powers at 1.2 µm
    Appl. Phys. Lett. 108, 071102 (2016).
  10. M.A. Gaafar, A. Rahimi-Iman, K. A. Fedorova, W. Stolz, E. U. Rafailov, M. Koch
    Mode-Locked Semiconductor Disk Lasers
    Adv. Opt. Photonics 8, 370 (2016).


  1. P. Knobloch, D. Turchinovich, T. Dobbertin, M. Koch, Optical Component (German Patent DE 10033259 C2 (2003)).
  2. Enders, M. Koch, C. Jördens, THz-Transmitter and THz-Receiver (German Patent DE 10 2005 032 900 B3 (2007)).
  3. M. Koch, C. Jördens, K. Baaske, G. Thorwirth, Imaging device for objects via a source of terahertz radiation (German Patent DE 10 2006 012 715 B4 (2008)).