Ultrafast nanooptics

• Ultrafast nanooptics
• Grating-coupling of surface plasmons onto metallic tips: A nanoconfined light source
• Spectroscopy of molecular nanostructures
• A nanometer-sized few femtosecond electron source at high repetition rates
• Coupling two quantum dots by dipole-dipole interaction
• Ultrafast light transmission through plasmonic crystals
• MBI Low Temperature Scanning Near-Field Optical Microscope (LT-SNOM)
• Ultrafast optical nonlinearities of single quantum dots
• Optical properties of metallic nanostructures
• Apertureless near-field imaging and spectroscopy
• Optical antenna for ultrahigh resolution scanning probe microscopy
• Apertureless scanning near-field microscopy

Nonlinear terahertz and midinfrared spectroscopy

• Ultrafast high-field transport in GaAs
• Phase-resolved two-dimensional spectroscopy in the mid-infrared range
• Phase-resolved pump-probe experiments on a QCL
• Internal motions of a quasiparticle governing its ultrafast nonlinear response
• Carrier-wave Rabi flopping on radiatively coupled shallow donor transitions in n-type GaAs
• Nonlinear terahertz response of n-type GaAs
• Nonlinear response of radiatively coupled intersubband transitions of quasi-two-dimensional electrons
• Generation of ultrashort THz transients with high electric-field amplitudes
• Optical phonon sidebands of electronic intersubband absorption in strongly polar semiconductor heterostructures
• Rabi oscillations of intersubband transitions
• Direct field-resolved detection of THz transients with MV/cm amplitudes
• Ultrafast coherent electron transport in semiconductor quantum cascade structures