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Research Group "MBE-Lab und QCL-Lab TU Wien"
(Univ.Prof. Dr. Gottfried Strasser)

Head of the research group:
Last name:Strasser
First name(s):Gottfried
Title (leading):Univ.Prof. Dr.
Position:Vorstand ZMNS
Institution:Vienna University of Technology
Organizational unit:Institut für Festkörperelektronik & Zentrum f. Mikro- und Nanostrukturen
Street address:Floragasse 7
Postal code:1040
Assignments to Research Areas:
Research area(s):
  • Nano Electronics
  • Nano Science
  • Opto Electronics
  • Photonics
  • Quantum Electronics
  • Semiconductor Physics
  • Solid State Physics
Assignments to Fields of Work According to the Austrian System of Science Areas:
Field(s) of work:
  • Laser spectroscopy (1237)
  • Nanoelectronics (210003)
  • Nanomaterials (210004)
  • Nanophotonics (210005)
  • Nanotechnology (210006)
  • Physical electronics (1214)
  • Semiconductor physics (103011)
  • Solid state physics (103009)
Data Acquisition:
Date of the data acquisition:24.05.2012
Data acquisition period:from: 2007   up to including: 2011
Research Group at the Time of the Data Acquisition:
Scientific group members:
15 Persons
Sangil Ahn, M. Eng.
Alexander Alexewicz, Dipl. Phys.
Aaron Maxwell Andrews, Dr.
Hermann Detz, Dr.
Roman Gansch, Dipl. Ing.
Stefan Kalchmair, Dr.
Clemens Schwarzer, Dipl. Ing.
Tobias Zederbauer, Dipl. Ing.
Daniela Ristanic, Dipl. Ing.
Anil Parlar, B. Sc.
Benedikt Schwarz, Dipl.-Ing.
Mattia Capriotti, Dottore
Donald MacFarland, M.Sc.
Peter Reininger, M.Sc.
Lukas Burgstaller, B.Sc.
Percentage project-funded:90
Scientific Output in the Above Data Acquisition Period:
H-index of the group head:29
Number of publications:115
Five most important publications:
  1. Y. Todorov, A. M. Andrews, R. Colombelli, S. De Liberato, C. Ciuti, P.Klang, G. Strasser, C. Sirtori: Ultrastrong light-matter coupling regime with polariton dots, Phys. Rev. Lett. 105, 196402/1-4 (2010)
  2. M. Brandstetter, C. Deutsch, A. Benz, G.D. Cole, H. Detz, A.M. Andrews,W. Schrenk, G. Strasser, K. Unterrainer: THz quantum cascade lasers with wafer bonded active regions, Optics Express 20(21), 23832-23837 (2012)
  3. C. Schwarzer, E. Mujagic, S.I. Ahn, A.M. Andrews, W. Schrenk, W. Charles, C. Gmachl, G. Strasser: Grating Duty-Cycle Induced Enhancement of Substrate Emission from Ring Cavity Quantum Cascade Lasers, Appl. Phys. Lett. 100 (19), 191103/1-3 (2012)
  4. S. Kalchmair, H. Detz, G.D. Cole, A.M. Andrews, P. Klang, M. Nobile, R. Gansch, C. Ostermaier, W. Schrenk, G. Strasser: Photonic Crystal Slab Quantum Well Infrared Photodetector, Appl. Phys. Lett. 98, 011105 (2011)
  5. S.I. Ahn, E. Mujagic, M. Nobile, H. Detz, S. Kalchmair, C. Schwarzer, A. M. Andrews, P. Klang, W. Schrenk, G. Strasser: Electrical beam steering of Y-coupled quantum cascade lasers, Appl. Phys. Lett. 96 (14), 141113/1-3 (2010)
  • B. Basnar, G. Strasser, M. Austerer, A.M. Andrews: Halbleiterlaser, schaltbar, A1980/2007, AT 505 916 B1
  • B. Basnar, G. Strasser, M. Austerer, A.M. Andrews: Halbleiterlaser mit Absorptionsschicht, A1979/2007, AT 505 915 B1
  • A. Cartwright, E. Takeuchi, G. Strasser: Flexible Photo- and Thermo-voltaic energy Collection and Storage System, July 08
  • A. Cartwright, A. Petrou, M.T. Swihart, G. Strasser, V. Govindaraju, S.J. Kim: Ultrafast Photon/Electron Imaging and Spectroscopy System for Investigating Carrier Dynamics and Energy Transfer at the Nanoscale, January 09
  • A. Sergeev, V. Mitin, G. Strasser: Structures with Vertically Correlated Quantum-Dot Clusters for Detector and Solar Cell Applications, July 09
  • A. Cartwright, V. Govindaraju, S.J. Kim, A. Petrou, M.T. G. Strasser, Swihart: Replenishable Porcine Primary Epithelial Cell Source and Culture Method, September 0
  • Siehe Projekte
Five most important talks:
  1. G. Strasser, invited: Beam shaping and coherence in quantum cascade lasers, 16th Int. Winterschool on New Developments in Solid State Physics, Mauterndorf, Austria, 2010
  2. G. Strasser et al., invited: Coherence and beam shaping in quantum cascade lasers, Photonics West, San Jose, USA, 2009
  3. G. Strasser, invited: Recent results on GaAs-based quantum cascade lasers, 38th Colloquium on the Physics of Quantum Electronics (PQE), Snowbird, USA, 2008
  4. G. Strasser et al., invited: InGaAs/GaAsSb: a new material system for THz QCLs, 31st ICPS, Zürich, Switzerland, 2012
  5. G. Strasser, invited: Photonic crystal QWIPs, ITQW11, Badesi, Italy, 2011
Projects and Funding Granted in the Above Data Acquisition Period:
Competitive projects:
  • SOLID4FUN Building Solids for Function
    FWF Doktoratskolleg
    Co-Applicant (2012-2016)
  • PLATON (Austrian NANO Initiative) RESEARCH PROJECT CLUSTER (RPC), Coordinator, applicant and in charge of the project (2012-2014)
  • PLATON (Austrian NANO Initiative) Project 1101-11
    III-V Nanophotonics
    Applicant and in charge of the project (2012-2014)
  • PLATON (Austrian NANO Initiative) Project 1156-11 Dualcolor light sources for midinfrared spectroscopy
    Co-Applicant (2012-2014)
  • IR-ON III (InfraRed Optical Nanostructures)
    SFB F25 Project 3: III-V based IR nanodevices
    Applicant and in charge of the project (2012-2015)
    Applicant and in charge of the project (2012-2015)
  • EC FP7 HiPoSwitch
    Applicant and in charge of the project (2011-2014)
  • SpectroSmart FFG Coin Project, Co-Applicant (2011-2014)
  • Polariton Entanglement, FWF Project P 22979-N16
    Co-applicant (2011-2014)
  • EC FP6 NMP IP CHARPAN Integrated Project
    Laufzeit : 2005-2008, 15 European partners
    Mittel*): Co-applicant with E. Bertagnolli
  • FWF SFB F25 IR-ON InfraRed Optical Nanostructures P3: III-V based IR nanodevices
    Laufzeit: 2005-2009
    Mittel*): 382 kEuro
  • FWF SFB F16 ADLIS Advanced Light Sources P6: Nanoscale Growth for Photonic Applications
    Laufzeit: 2006-2010
    Mittel*): 407 kEuro
  • FFG RPC: PLATON - Processing Light: Advanced Technologies for Optical Nanostructures
    Laufzeit: 2007-2009 Project Cluster Coordination
    Mittel*): 343 kEuro
  • FWF Austrian Nanoinitiative PLATON Project 1101: III-V Nanophotonics
    Laufzeit: 2007-2009
    Mittel*): 421 kEuro
  • FFG RPC: PLATON - Processing Light: Advanced Technologies for Optical Nanostructures
    Laufzeit: 2009-2012 Cluster Coordination Project
    Mittel*): 84 kEuro
  • FFG Austrian Nanoinitiative PLATON Project 1101: III-V Nanophotonics
    Laufzeit: 2009-2012
    Mittel*): 569 kEuro
  • FWF SFB F25 IR-ON II InfraRed Optical Nanostructures P3: III-V based IR nanodevices
    Laufzeit: 2009-2012
    Mittel*): 365 kEuro
  • BMVIT MNA Networking Micro @ Nano-Fabrication Austria
    Laufzeit: 2003-2006
    Mittel*): 100 kEuro
  • BMWF NESTOR Nanoelectronics Networking
    Laufzeit: 2004-2010
    Mittel*): 140 kEuro
  • NSF CCLI: First course in nanoelectronics for engineers
    Laufzeit: 2009-2011
    Mittel*): 199 k$
  • NSF MRI:: Acquisition of a Dual Beam Electron Beam/Focused Ion Beam System
    Laufzeit: 2009-2010
    Mittel*): 1.566 k$
Funded awards:
  • NYSTAR-Award New York State Foundation for Science, Technology and Innovation
    Laufzeit: 2007-2008
    Mittel*): 750 k$
Research Topics:
Current research topics:
  • semiconductor nanostructures, III-V material growth, epitaxy, optoelectronic devices (quantum cascade lasers, quantum well infrared detectors) , intersubband physics, cavities, quantum dots, nanowires, novel material combinations
Future topics (next 5 years):
  • nanotechnology, epitaxy, intersubband physics, strong coupling, novel optoelectronic devices, novel cavities, laser arrays, hybrid concepts, magnetic materials
Teaching and Research Mobility in the Above Data Acquisition Period:
Doctor's theses:
11 doctor's theses
  1. Stefan Kalchmair: Photonic Crystal Intersubband Photodetectors, TU Wien, June 2012
  2. Michele Nobile: Intersubband devices based on the InGaAs/GaAsSb heterostructure operating in the midinfrared, TU Wien, June 2011
  3. Hermann Detz: Epitaxy of InGaAs/GaAsSb Heterostructures for Intersubband Optoelectronics, TU Wien, May 2011
  4. Clemens Ostermaier: Ultra-thin InAlN/AlN Barrier Enhancement-Mode High Electron Mobility Transistors, TU Wien, February 2011
  5. Ivanhoe Vasiljevich: Microstructured FEEP Ion Engines for Cluster Operation, TU Wien, May 2010
  6. Elvis Mujagic: Ring Cavity Surface Emitting Semiconductor Lasers, TU Wien, April 2010
  7. Gianmauro Pozzovivo: InAlN/GaN HEMTs: Technology, Properties and Characterization, TU Wien, May 2009
  8. Stephan Schartner: Optical Cavities for Mid-Infrared Devices, TU Wien, February 2009
  9. Leonard Kristian Hoffmann: Coherent coupling of mid-infrared quantum cascade lasers, TU Wien, February 2009
  10. Maximilian Austerer: Nonlinear light-generation in GaAs Quantum Cascade Lasers, TU Wien, June 2008
  11. Matthias Schramböck: Growth and processing of III-V semiconductor nanostructures, TU Wien, May 2008
Diploma and master theses:
8 theses
  1. Peter Reininger: Photonic crystal slab resonators: Modeling and optimization, TU Wien, October 2011
  2. Michael Schwantzer: InGaAs / GaAsSb Resonant Tunneling Diodes, TU Wien, April 2011
  3. Tuning of Resonances in Photonic Crystal Slabs
    Master thesis Roman Gansch, TU Vienna, November 2010
  4. Numerical Studies on Ring-Cavity Surface-Emitting Semiconductor Lasers
    Master thesis Tobias Zederbauer, TU Vienna, November 2010
  5. Clemens Schwarzer: Coherent coupling of ring cavity intersubband lasers, TU Wien, January 2010
  6. Remigiusz Krzyzanowski: Self-Assembled InAs Quantum Dots in and on AlGaAs Matrix, TU Wien, June 2009
  7. Hermann Detz: Second Harmonic Generation in Mid-IR Quantum Cascade Lasers with Surface Gratings, TU Wien, October 2007
  8. Elvis Mujagic: Impact of doping density in short-wavelength indium phosphide quantum cascade lasers, TU Wien, April 2007
International networking:
  • Elvis Mujagic (outgoing): Myrthe, University Princeton (2008)
  • Yu Yao (incoming): Myrthe, University Princeton (2008)
  • Hermann Detz (outgoing): NYSTAR, University Buffalo (2008)
  • Stephan Schartner (outgoing): Myrthe, University Princeton (2007)
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