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  1. No Access

    Chapter

    Ultrafast Coherent Exciton Spectroscopy and Carrier Control in Quantum Structures

    Interference effects between ultrafast laser pulses become important when the relative phase is precisely determined. The response of an optical system then shows strong oscillations when the pump-pulse separa...

    Albert P. Heberle, Jeremy J. Baumberg, Klaus Köhler… in Ultrafast Processes in Spectroscopy (1996)

  2. No Access

    Chapter

    GaInAs/AlAsSb Quantum Cascade Lasers: A New Approach towards 3-to-5 μm Semiconductor Lasers

    At present GaInAs/AlInAs based quantum cascade (QC) lasers represent the state-of-the-art with respect to the short-wavelength (< 5 μm) performance of the QC laser concept. This performance, however, is intrin...

    Quankui Yang, Christian Manz, Wolfgang Bronner… in Advances in Solid State Physics (2008)

  3. Article

    Implantation Studies on Silicon-Doped GaN

    Silicon-doped GaN layers grown by low-pressure metalorganic vapor-phase epitaxy with Si concentrations ranging from 2 × 1017 Si/cm3 to 9.2 × 1018 Si/cm3 were investigated by means of the perturbed angular correla...

    Ronnie Simon, Reiner Vianden, Klaus Köhler in Journal of Electronic Materials (2013)

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