Curriculum Vitae

Mag.Dr. Karl Unterrainer



Tel: +43-1-58801-36231

Fax: +43-1-58801-36299

Project A: Few-cycle THz generation and spectroscopy

Project B: THz-time-domain spectroscopy of molecular systems


Personal Data

Date of Birth: 17.9.1960

Place of Birth: Innsbruck

Nationality Austria



1971-1979 High School "BRG Adolf Pichler Platz"

1979-1986 Physics student, University Innsbruck

1986-1989 Phd. Student, University Innsbruck


Career History

1979 Reifeprüfung (high school graduation)

1986 M.S. degree (Magister rer. nat.)

1989 Ph.D. degree (“Mit Auszeichnung”) from the University of

Innsbruck (Dr. rer. nat.)

1996 Habilitation


Career-related Activities

1986-1989 Teaching Assistant University of Innsbruck

1990-1992 Resaerch Assistant University of Innsbruck

1992-1993 University Assistant, Technical University Vienna

1994-1995 Visiting Researcher, University of California, Santa Barbara

1996-1997 Assistant Professor, Technical University Vienna

1998-2003 Associate Professor (Ausserordentlicher Universitätsprofessor)

tenure position

2001 Visiting researcher, Lucent Technologies, USA

2003-present Full professor, Photonics Institute, Technical University Vienna

2005 Director Center for Micro- and Nanostructures



1996 START programme Award, Austrian Science Foundation






more than 140 Publication, 50 invited talks, 100 other confernce contributionss, 3 patents


Research Interests

semiconductor heterostructures, semiconductor lasers, optoelectronics devices, quantum optics in



Selected publications (recent 5 years) – Karl Unterrainer


G. Fasching, W. Brezna, J. Smoliner, G. Strasser, and K. Unterrainer, “ Tracing deeply

buried InAs/GaAs quantum dots using AFM and wet chemical etching”, Appl. Phys. Lett. 86,

063111 (2005).

T. Müller, W. Parz, G. Strasser, and K. Unterrainer, “Influence of carrier-carrier interaction on

the time-dependent intersubband absorption in a semiconductor quantum well”, Phys. Rev B

70, 155324 (2004).

G. Fasching, F.F. Schrey, W. Brezna, J. Smoliner, G. Strasser, and K. Unterrainer, “

Photocurrent spectroscopy of single InAs/GaAs quantum dots”, phys. stat. sol. (c) (2004)

F.F.Schrey, G. Fasching, T. Müller, G. Strasser, K. Unterrainer; "Optically induced intraband

electron transfer in self-assembled InAs quantum dots"; phys. stat. sol. (c) 1, 434 (2004).


P04 – THz spectroscopy of nanostructures (Unterrainer)

J. Kröll, J. Darmo, K, Unterrainer, "High performance of terahertz electro-optic detector";

Electronics Letters 40, 763 (2004).

J. Darmo, V. Tamosiunas, G. Fasching, J. Kröll, K. Unterrainer “Imaging with a Terahertz

quantum cascade laser”, Optics Express Vol. 12, p 1879-1884 (2004).

J. Darmo, T. Müller, W. Parz, J. Kröll, G. Strasser, K. Unterrainer, "Few-cycle THz generation

and spectroscopy of nanostructures", Phil. Trans. R. Soc. Lond. A, 362, 1-12 (2004).

T. Müller, W. Parz, G. Strasser, and K. Unterrainer, "Pulse-Induced Quantum Interference of

Intersubband Transitions in Coupled Quantum Wells", Appl. Phys. Lett., 84, 64 (2004).

V. Tamosiunas, R. Zobl, J. Ulrich, K. Unterrainer, R. Colombelli, C. Gmachl, F. Capasso, K.

West, L. Pfeiffer, “Terahertz Quantum Cascade Lasers in a Magnetic Field”, Applied Physics

Letters, 83, 3873 (2003).

T. Müller, F.F. Schrey, G. Strasser, and K. Unterrainer, „Ultrafast intraband spectroscopy of

electron capture and relaxation in InAs/GaAs quantum dots“, Appl. Phys. Lett., 83, 3572


J. Darmo, T. Müller, G. Strasser, K. Unterrainer, T. Le, G.F. Tempea, A. Stingl, "Voltagecontrolled

intracavity terahertz generator for self-starting Ti:Sapphire lasers", Optics Letters

27, 1941 (2002).

L. Rebohle, F.F. Schrey, S. Hofer, G. Strasser, K. Unterrainer, " Energy level engineering in

InAs quantum dot nanostructures"; Appl.Phys. Lett. 81, 2097(2002)

J. Ulrich, J. Kreuter, W. Schrenk, G. Strasser, K. Unterrainer, “Long-Wavelength (15 and 23

µm) GaAs/AlGaAs Quantum Cascade Lasers“, Appl. Phys. Lett. 80, 3691 (2002).

K. Unterrainer, R. Colombelli, C. Gmachl, F. Capasso, H. Y. Hwang, D. L. Sivco, A. Y. Cho,

“Quantum Cascade Lasers with Double Metal-Semiconductor Waveguide Resonators“, Appl.

Phys. Lett. 80, 3060 (2002).

F. Eickemeyer, R. Reimann, M. Woerner, T. Elsaesser, S. Barbieri, C. Sirtori, G. Strasser, T.

Müller, R. Bratschitsch, K. Unterrainer; "Ultrafast coherent electron transport in

semiconductor quantum cascade structures"; Phys. Rev. Lett. 89, 047402 (2002).

K. Kempa, Y. Zhou, J.R. Engelbrecht, P. Bakshi, H.I. Ha, J. Moser, M.J. Naughton, J. Ulrich,

G. Strasser, E. Gornik, K. Unterrainer, "Intersubband transport in quantum wells in strong

magnetic fields mediated by single- and two-electron scattering", Phys. Rev. Lett. 88,


T. Müller, R. Bratschitsch, G. Strasser, K. Unterrainer, "Intersubband absorption dynamics in

coupled quantum wells", Appl. Phys. Lett. 79, 2755 (2001).

K. Kempa, E. Gornik, K. Unterrainer, M. Kast and G. Strasser; "Resonant Tunneling

mediated by resonant emission of inter-subband plasmons", Phys. Rev. Lett. 86, 2850


R. Bratschitsch, T. Müller, G. Strasser, C. Sirtori, K. Unterrainer, "Monitoring the ultrafast

electric field change at a mid-infrared plasma Bragg mirror“, Optics Letters, 26, 1618 (2001).

R. Bratschitsch, T. Müller, R. Kersting, G. Strasser, K. Unterrainer, "Coherent THz emission

from optically pumped intersubband plasmons in parabolic quantum wells", Appl. Phys. Lett.

76, 3501 (2000).