MBI Staff Member – Personal info
Dr. Michael Woerner
michael.woerner(at)mbi-berlin.de
+49 30 6392 1470
C3: Femtosecond Spectroscopy of Solids
Building C, 1.2
Position
- Head of Department C3 "Femtosecond Spectroscopy on Solids"
- Coordinator of Project 3.2 "Solids and Nanostructures: Electrons, Spins, and Phonons"
- Coordinator of Project 3.3 "Transient Structures and Imaging with X-rays"
Research
I am interested in ultrafast and nonlinear phenomena in condensed matter, in particular organic and inorganic solids and nanostructures. To this end, I generate and apply ultrashort pulses in a wide spectral range (THz to hard x-ray) to measure the nonequilibrium dynamics of elementary excitations in solids and the ultrafast structural dynamics of crystalline material. Most recent activities are two-dimensional spectroscopy in the THz frequency range (Figure: two phonon coherences in InSb) and femtosecond x-ray absorption experiments using table top high harmonic sources.
Curriculum vitae
1981-1988 Study of physics at the Technical University (TU) of Munich
1988-1991 PhD Work at TU Munich, Physics Department E11 (Prof. W. Kaiser)
1991 Graduation (Dr. rer. nat.) at the TU
1991-1993 Postdoctoral Researcher at the Physics Department E11, TU Munich
1993-1996 Postdoctoral Researcher at the Max-Born-Institute, Berlin
1997 Postdoctoral Researcher at Bell Laboratories (Lucent), Holmdel, NJ, USA
since 1997 Department head of C3 at the Max-Born-Institute, Berlin
1999 Habilitation at the Humboldt University Berlin
Recent highlight(s)
Electric polarization in the macroscopic world and electrons moving at atomic scales
Wiggling atoms switch the electric polarization of crystals
Quantum Swing - a pendulum that moves forward and backwards at the same time
Amplification of Sound Waves at Extreme Frequencies
Hot means slow: Electron plasma oscillations tuned down with light
The longer the better: Optical long-wavelength pulses generate brilliant ultrashort hard x-ray flashes
MBI Publications
- Generation of single-cycle THz transients with high electric-field amplitudes Optics Letters 30 (2005) 2805-2807
- Comparison of focusing optics for femtosecond X-ray diffraction Applied Physics B 80 (2005) 715-719
- Microfocus Cu Ka source for femtosecond X-ray science Optics Letters 30 (2005) 1737-1739
- Generation of ultrashort Ka radiation from quasipoint interaction area of femtosecond pulses with thin folis Applied Physics Letters 86 (2005) 244107/1-3
- Coherent charge transport in semiconductor quantum cascade structures Journal of Physics: Condensed Matter 16 (2004) R25-R48
- Coherent vs. incoherent charge transport in semiconductor quantum cascade structures SPIE Proceedings 5352 (2004) 333-347
- Femtosecond intersubband dynamics of electrons in AlGaN/GaN-based high-electron-mobility transistors Semiconductor Science and Technology 19 (2004) S463-S464
- Optical dephasing of coherent intersubband transitions in a quasi-two-dimensional electron gas Physical Review B 69 (2004) 205307/1-9
- Rabi oscillations of intersubband transitions in GaAs/AlGaAs MQWs Semiconductor Science and Technology 19 (2004) S285-S286
- Phase-resolved nonlinear response of a two-dimensional electron gas under femtosecond intersubband excitation Physical Review Letters 92 (2004) 047402/1-4