Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2002Polarization revival of a Bloch-oscillating wave packet in conjunction with resonant Zener tunneling
Meinhold, D.; Rosam, B.; Löser, F.; Lyssenko, V.G.; Rossi, F.; Zhang, J.-Z.; Köhler, K.; Leo, K.
Journal Article
1997Direct measurement of the spatial displacement of bloch-oscillating electrons in semiconductor superlattices
Lyssenko, V.G.; Valusis, G.; Löser, F.; Hasche, T.; Leo, K.; Köhler, K.; Dignam, M.M.
Journal Article
1997Spin flip of excitons in GaAs quantum wells
Snoke, D.W.; Rühle, W.W.; Köhler, K.; Ploog, K.
Journal Article
1997Ultrafast acoustic phonon ballistics in semiconductor heterostructures
Baumberg, J.J.; Williams, D.A.; Köhler, K.
Journal Article
1995Band-gap renormalization and excitonic effects in tunneling in asymmetric double quantum wells
Tackeuchi, A.; Heberle, A.P.; Rühle, W.W.; Köhler, K.
Journal Article
1995Bloch oscillations at room temperature
Dekorsy, T.; Ott, R.; Kurz, H.; Köhler, K.
Journal Article
1995Exceptionally slow dephasing of electronic continuum states in a semiconductor
Leisching, P.; Dekorsy, T.; Bakker, H.J.; Kurz, H.; Köhler, K.
Journal Article
1995Field dependence of carrier capture in GaAs/AlAs/AlGaAs double-barrier quantum well structures.
Schneider, H.; Larkins, E.C.
Journal Article
1995Formation and decay dynamics of excitonic photoluminescence in GaAs/AlGaAs superlattice under an electric field
Schneider, H.; Fujiwara, K.; Kanamoto, R.
Journal Article
1995Four-wave-mixing theory beyond the semiconductor Bloch equations
Axt, V.M.; Stahl, A.; Mayer, E.J.; Haring Bolivar, P.; Nüsse, S.; Ploog, K.; Köhler, K.
Journal Article
1995Intrinsic radiative lifetimes of donor-acceptor pair excitations in diamond
Schneider, H.; Dischler, B.; Wild, C.; Koidl, P.
Journal Article
1995Non-Markovian polarization decay in semiconductor quantum wells by three-beam four-wave mixing
Löser, F.; Klatt, D.; Pantke, K.-H.; Leo, K.; Bakker, H.; Shah, J.; Köhler, K.
Journal Article
1995Resonance fluorescence and polariton effects in GaAs thin layers
Schneider, H.; Köhler, K.
Journal Article
1995X(5) signature in th four-wave-mixing signal from a GaAs/Al(0.3)Ga(0.7)As superlattice
Bartels, G.; Axt, V.M.; Victor, K.; Stahl, A.; Leisching, P.; Köhler, K.
Journal Article
1994Bloch oscillations in GaAs/AlGaAs superlattices after excitation well above the bandgap
Roskos, H.G.; Waschke, C.; Schwedler, R.; Leisching, P.; Dhaibi, Y.; Kurz, H.; Köhler, K.
Journal Article
1994Capture of carriers excited by interband and intersubband absorption in GaAs/AlAs/AlGaAs double-barrier quantum wells
Schneider, H.; Ehret, S.; Vinattieri, A.; Shah, J.; Larkins, E.C.
Journal Article
1994Detection of Bloch oscillations in a semiconductor superlattice by time-resolved terahertz spectroscopy and degenerate four-wave mixing.
Waschke, C.; Leisching, P.; Bolivar, P.H.; Schwedler, R.; Brüggemann, F.; Roskos, H.G.; Leo, K.; Kurz, H.; Köhler, K.
Journal Article
1994Direct observation of resonant tunneling dynamics in high magnetic fields
Heberle, A.P.; Oestreich, M.; Haacke, S.; Rühle, W.W.; Maan, J.C.; Köhler, K.
Journal Article
1994Time-resolved studies of Bloch oscillations in semiconductor superlattices
Leisching, P.; Dekorsy, T.; Waschke, C.; Roskos, H.G.; Leo, K.; Kurz, H.; Köhler, K.
Book Article
1993Auger recombination in intrinsic GaAs
Strauss, U.; Rühle, W.W.; Köhler, K.
Journal Article
1993Coupling of exciton transitions associated with different quantum-well islands
Koch, M.; Feldmann, J.; Göbel, E.O.; Thomas, P.; Shah, J.; Köhler, K.
Journal Article
1993Observation of Bloch oscillations in a semiconductor superlattice
Haring Bolivar, P.; Leisching, P.; Leo, K.; Shah, J.; Köhler, K.
Book Article
1993Quantum beats versus polarization interference - an experimental distinction
Koch, M.; Feldmann, J.; Plessen, G. von; Göbel, E.O.; Thomas, P.; Köhler, K.
Book Article
1993Terahertz radiation from coherent electron oscillations in a double-quantum-well structure.
Roskos, H.G.; Nuss, M.C.; Shah, J.; Leo, K.; Miller, D.A.B.; Schmitt-Rink, S.; Köhler, K.
Book Article
1992Coherent submillimeter-wave emission from charge oscillations in a double-well potential
Roskos, H.G.; Nuss, M.C.; Miller, D.A.B.; Köhler, K.; Leo, K.; Schmitt-Rink, S.; Shah, J.
Journal Article
1992Dissipative dynamics of an electronic wavepacket in a semiconductor double well potential.
Schulze, A.; Meier, T.; Thomas, P.; Luo, M.S.C.; Schäfer, W.; Chuang, S.L.; Damen, T.C.; Ganser, P.; Göbel, E.O.; Köhler, K.; Leo, K.; Schmitt-Rink, S.; Shah, J.
Journal Article
1992The exciton formation time in a GaAs quantum well
Eccleston, R.; Strobel, R.; Kuhl, J.; Köhler, K.
Conference Paper
1992Observation of Bloch oscillations in a semiconductor superlattice
Leo, K.; Bolivar, P.H.; Brüggemann, F.; Schwedler, R.; Köhler, K.
Journal Article
1992Optical dephasing of light-hole excitons in GaAs single quantum wells
Honold, A.; Saku, T.; Horikoshi, Y.; Köhler, K.
Journal Article
1992Optical spectroscopy of bound excitons in AlGaAs/GaAs quantum wells
Monemar, B.; Holtz, P.O.; Bergmann, J.P.; Harris, C.; Sundaram, M.; Merz, J.P.; Gossard, A.C.; Schweizer, T.; Kalt, H.; Köhler, K.
Conference Paper
1992Polarization dependence of heavy- and light-hole quantum beats
Schmitt-Rink, S.; Bennhardt, D.; Heuckeroth, V.; Thomas, P.; Haring, P.; Maidorn, G.; Bakker, H.; Leo, K.; Kim, D.-S.; Shah, J.; Köhler, K.
Journal Article
1992Quantum beats of excitons in quantum wells
Schmitt-Rink, S.; Damen, T.; Göbel, E.O.; Köhler, K.; Leo, K.; Schäfer, W.; Shah, J.
Journal Article
1992Quantum beats versus polarization interference: An experimental distinction
Koch, M.; Feldmann, J.; Plessen, G. von; Göbel, E.O.; Thomas, P.; Köhler, K.
Journal Article
1992Resonances in tunnelling between quantum wells
Heberle, A.P.; Rühle, W.W.; Alexander, M.G.W.; Köhler, K.
Journal Article
1992Resonant electron and hole tunneling between GaAs quantum wells
Heberle, A.P.; Rühle, W.W.; Köhler, K.
Conference Paper
1992Time-resolved four-wave mixing in GaAs/AlAs quantum well structures.
Koch, M.; Feldmann, J.; Plessen, G. von; Meier, T.; Schulze, A.; Thomas, P.; Göbel, E.O.; Köhler, K.; Ploog, K.; Schmitt-Rink, S.
Journal Article
1992Tunneling between quantum wells.
Heberle, A.P.; Rühle, W.W.; Köhler, K.
Conference Paper
1992Tunneling of electrons and holes in asymmetric double quantum well structures.
Kuhl, J.; Strobel, R.; Eccleston, R.; Köhler, K.
Journal Article
1992Tunneling through single AlGaAs barriers
Heberle, A.P.; Rühle, W.W.; Köhler, K.
Journal Article
1992Unusually slow temporal evolution of femtosecond four-wave-mixing signals in intrinsic GaAs quantum wells: Direct evidence for the dominance of interaction effects
Schäfer, W.; Jahnke, F.; Damen, T.C.; Kim, D.-S.; Köhler, K.; Schmitt-Rink, S.; Shah, J.
Journal Article
1991Measurement of the exciton-formation time and the electron- and hole-tunneling times in a double-quantum-well structure
Strobel, R.; Eccleston, R.; Kuhl, J.; Köhler, K.
Journal Article
1991Resonant and nonresonant tunneling in GaAs/AlxGa1-xAs asymmetric double quantum wells.
Alexander, M.G.W.; Nido, M.; Rühle, W.W.; Köhler, K.
Journal Article
1991Resonant tunneling in double quantum wells - the cases of strong and weak collisions.
Leo, K.; Shah, J.; Schmitt-Rink, S.; Schäfer, W.; Damen, T.C.; Göbel, E.O.; Köhler, K.
Conference Paper
1991Subpicosecond four-wave mixing in GaAs/Al(x)Ga(1-x)As quantum wells
Leo, K.; Shah, J.; Schmitt-Rink, S.; Schäfer, W.; Müller, J.F.; Damen, T.C.; Ganser, P.; Göbel, E.O.; Köhler, K.
Journal Article
1991Time-resolved optical investigation of tunneling of carriers through single AlxGa1-xAs barriers
Rühle, W.W.; Heberle, A.P.; Alexander, M.G.W.; Nido, M.; Köhler, K.
Journal Article
1990Electron tunneling via gamma- and chi-states in GaAs/Al0.35Ga0.65As double quantum well structures
Alexander, M.G.W.; Nido, M.; Rühle, W.W.; Reimann, K.; Ploog, K.; Köhler, K.
Journal Article
1990Femtosecond transient-grating experiments in quantum wells
Schmitt-Rink, S.; Müller, J.F.; Damen, T.C.; Ganser, P.; Göbel, E.O.; Köhler, K.; Leo, K.; Schäfer, W.; Shah, J.
Conference Paper
1990Quantum beats from extended electronic states in quantum wells
Müller, J.F.; Schmitt-Rink, S.; Schäfer, W.; Damen, T.C.; Ganser, P.; Göbel, E.O.; Köhler, K.; Leo, K.; Shah, J.
Conference Paper
1990Quantum beats of light hole and heavy hole excitons in quantum wells.
Damen, T.C.; Köhler, K.; Leo, K.; Shah, J.
Journal Article
1990Resonant-tunneling transfer times between asymmetric GaAs/Al(0.35)Ga(0.65)As double quantum wells
Alexander, M.G.W.; Nido, M.; Rühle, W.W.; Köhler, K.
Journal Article
1990Tunneling in semiconductor heterostructures studied by subpicosecond four-wave mixing.
Damen, T.C.; Ganser, P.; Göbel, E.O.; Köhler, K.; Leo, K.; Shah, J.
Journal Article