Karl Unterrainer
Karl Unterrainer
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Cited by
Cited by
Microcavity-integrated graphene photodetector
M Furchi, A Urich, A Pospischil, G Lilley, K Unterrainer, H Detz, P Klang, ...
Nano letters 12 (6), 2773-2777, 2012
Reversing the pump dependence of a laser at an exceptional point
M Brandstetter, M Liertzer, C Deutsch, P Klang, J Schöberl, HE Türeci, ...
Nature communications 5 (1), 4034, 2014
Quantum cascade lasers: ultrahigh-speed operation, optical wireless communication, narrow linewidth, and far-infrared emission
F Capasso, R Paiella, R Martini, R Colombelli, C Gmachl, TL Myers, ...
IEEE Journal of quantum electronics 38 (6), 511-532, 2002
Intrinsic response time of graphene photodetectors
A Urich, K Unterrainer, T Mueller
Nano letters 11 (7), 2804-2808, 2011
Few-cycle THz emission from cold plasma oscillations
R Kersting, K Unterrainer, G Strasser, HF Kauffmann, E Gornik
Physical Review Letters 79 (16), 3038, 1997
Inverse bloch oscillator: Strong terahertz-photocurrent resonances at the bloch frequency
K Unterrainer, BJ Keay, MC Wanke, SJ Allen, D Leonard, ...
Physical review letters 76 (16), 2973, 1996
Imaging with a Terahertz quantum cascade laser
J Darmo, V Tamosiunas, G Fasching, J Kröll, K Unterrainer, M Beck, ...
Optics express 12 (9), 1879-1884, 2004
Phase-resolved measurements of stimulated emission in a laser
J Kröll, J Darmo, SS Dhillon, X Marcadet, M Calligaro, C Sirtori, ...
Nature 449 (7163), 698-701, 2007
Terahertz emission from GaAs and InAs in a magnetic field
JN Heyman, P Neocleous, D Hebert, PA Crowell, T Müller, K Unterrainer
Physical Review B 64 (8), 085202, 2001
Terahertz phase modulator
R Kersting, G Strasser, K Unterrainer
Electronics Letters 36 (13), 1, 2000
Quantum cascade lasers with double metal-semiconductor waveguide resonators
K Unterrainer, R Colombelli, C Gmachl, F Capasso, HY Hwang, ...
Applied physics letters 80 (17), 3060-3062, 2002
Coherent plasmons in -doped GaAs
R Kersting, JN Heyman, G Strasser, K Unterrainer
Physical Review B 58 (8), 4553, 1998
Ultrafast intraband spectroscopy of electron capture and relaxation in InAs/GaAs quantum dots
T Müller, FF Schrey, G Strasser, K Unterrainer
Applied Physics Letters 83 (17), 3572-3574, 2003
GaAs/AlGaAs superlattice quantum cascade lasers at
G Strasser, S Gianordoli, L Hvozdara, W Schrenk, K Unterrainer, E Gornik
Applied physics letters 75 (10), 1345-1347, 1999
Metallic wave-impedance matching layers for broadband terahertz optical systems
J Kröll, J Darmo, K Unterrainer
Optics express 15 (11), 6552-6560, 2007
Random lasers for broadband directional emission
S Schönhuber, M Brandstetter, T Hisch, C Deutsch, M Krall, H Detz, ...
Optica 3 (10), 1035-1038, 2016
High power terahertz quantum cascade lasers with symmetric wafer bonded active regions
M Brandstetter, C Deutsch, M Krall, H Detz, DC MacFarland, ...
Applied Physics Letters 103 (17), 2013
Temperature and intensity dependence of intersubband relaxation rates from photovoltage and absorption
JN Heyman, K Unterrainer, K Craig, B Galdrikian, MS Sherwin, ...
Physical review letters 74 (14), 2682, 1995
Transition Between Coherent and Incoherent Electron Transport in Superlattices
C Rauch, G Strasser, K Unterrainer, W Boxleitner, E Gornik, A Wacker
Physical review letters 81 (16), 3495, 1998
Ultrafast coherent electron transport in semiconductor quantum cascade structures
F Eickemeyer, K Reimann, M Woerner, T Elsaesser, S Barbieri, C Sirtori, ...
Physical review letters 89 (4), 047402, 2002
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