IR response of nanostructures - K. Unterrainer

A. Benz, M. Brandstetter, C. Deutsch, K. Unterrainer, H. Detz, A. M. Andrews, P. Klang, W. Schrenk, and G. Strasser, "Photonic bandstructure engineering of THz quantum-cascade lasers", Appl. Phys. Lett. 99, 201103 (2011) DOI: 10.1063/1.3661168

H. Detz, M. Nobile, C. Deutsch, P. Klang, A.M. Andrews, W. Schrenk, K. Unterrainer, G. Strasser, "Improved InGaAs/GaAsSb quantum cascade laser active region designs", Journal of Modern Optics (2011) DOI: 10.1080/09500340.2011.604734

A. Benz, C. Deutsch, M. Brandstetter, A.M. Andrews, P. Klang, H. Detz, W. Schrenk, G. Strasser, K. Unterrainer, "Terahertz Active Photonic Crystals for Condensed Gas Sensing", Sensors 11(6), 6003-6014 (2011) DOI: 10.3390/s110606003

D. Dietze, A. Benz, G. Strasser, K. Unterrainer, and J. Darmo, "Terahertz meta-atoms coupled to a quantum well intersubband transition," Opt. Express 19, 13700-13706 (2011), DOI: 10.1364/OE.19.013700

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M. Martl, J. Darmo, C. Deutsch, M. Brandstetter, A. M. Andrews, P. Klang, G. Strasser, and K. Unterrainer, "Gain and losses in THz quantum cascade laser with metal-metal waveguide", Opt. Express 19, 733 (2011), DOI: 10.1364/OE.19.000733

C. Deutsch, A. Benz, H. Detz, P. Klang, M. Nobile, A. M. Andrews, W. Schrenk, T. Kubis, P. Vogl, G. Strasser, and K. Unterrainer, "Terahertz quantum cascade lasers based on type II InGaAs/GaAsSb/InP", Appl. Phys. Lett. 97, 261110 (2010), DOI: 10.1063/1.3532106  

M. Escarra, A. Benz, A. Bhatt, A. Hoffman, X. Wang, J. Fan, C. Gmachl, "Thermoelectric Effect in Quantum Cascade Lasers", IEEE Photonics Journal, 2, 500-509 (2010) DOI: 10.1109/JPHOT.2010.2050304 

A. Benz, M. Brandstetter, C. Deutsch, G. Fasching, A. M. Andrews, P. Klang, W. Schrenk, G. Strasser, K. Unterrainer, "Microdisk THz quantum-cascade lasers with super-conducting cavities", Proceeding of SPIE, 7763, 776303-1 - 776303-7 (2010) DOI: 10.1117/12.860475

C. Deutsch, E. Mujagic, A. Benz, A. M. Andrews, P. Klang, H. Detz, W. Schrenk, G. Strasser, and K. Unterrainer, "Surface-emitting terahertz quantum cascade ring lasers", Proc. SPIE Int. Soc. Opt. Eng. 7763, 7763005 (2010) DOI: 10.1117/12.860583

T. Moldaschl, W. Parz, T. Müller, S. Golka, G. Strasser and K. Unterrainer, "Two-photon spectral hole burning spectroscopy of InAs/GaAs quantum dots", Appl. Phys. Lett. 97, 011903 (2010) DOI: 10.1063/1.3460527

T. Müller, F. Xia, P. Avouris, "Graphene photodetectors for high-speed optical communications", Nature Photonics, 4, 297 (2010) DOI: 10.1038/NPHOTON.2010.40

M. Martl, J. Darmo, D. Dietze, K. Unterrainer, E. Gornik, "Terahertz waveguide emitter with subwavelength confinement", J. Appl. Phys. 107, 013110 (2010), DOI: 10.1063/1.3280038

W. Parz, T. Müller, J. Darmo, M. Austerer, G. Strasser, L.R. Wilson, J. W. Cockburn, A. B. Krysa, J. S. Roberts, K. Unterrainer, "Ultrafast Spectroscopy As A Probe Of Light-Matter Interaction In A Midinfrared Quantum Cascade Laser", AIP Conf. Proc. 1199, 163 (2010), DOI: 10.1063/1.3295347

M. Martl, J. Darmo, K. Unterrainer, E. Gornik, "THz time domain spectroscopy of surface electromagnetic waves", AIP Conf. Proc. 1199, 479 (2010) DOI: 10.1063/1.3295514

T. Gebhard , K. Unterrainer , D. Alvarenga, P. S. S. Guimaraes, J. M. Villas-Boas,  M. P Pires., G. S. Vieira, P.L. Souza, "Intraband auger effect in quantum dot structures", Journal of Physics: Conference Series 167, 012001 (2009) DOI: 10.1088/1742-6596/167/1/012001

G. Fasching, Ch. Deutsch, A. Benz, A. M. Andrews, P. Klang, R. Zobl, W. Schrenk, G. Strasser, P. Ragulis, V. Tamošiūnas, K. Unterrainer, "Electrically controllable photonic molecule laser", Optics Express 17, 20321-20326 (2009) DOI: 10.1364/OE.17.020321

R. Nedzinskas, B. Cechavicius, J. Kavaliauskas, A. Cerskus, J. Kundrotas, V. Karpus, V. Tamosiunas, G. Valusis, G. Fasching, K. Unterrainer, G. Strasser, "Optical study of InAs quantum dot stacks embedded in GaAs/AlAs superlattices", Phys. Status Solidi C 6, No. 12, 2710 (2009) DOI: 10.1002/pssc.200982522

W. Brezna, G. Fasching, K. Unterrainer, G. Strasser, J. Smoliner, "Atomic force microscopy based room temperature photocurrent-spectroscopy of single subsurface InAs quantum dots", Phys. Status Solidi C 6, No. 4, 793 (2009) DOI: 10.1002/pssc.200880611

T. Gebhard, D Alvarenga. M. P. Pires, K. Unterrainer, P. S. S. Guimarez and P. L. Souza, "Superposition of negative contributions to the photocurrent spectrum of InAs/InAlGaAs/ InP quantum dot infrared photodetectors", ECS Transactions, 23 (1), 521-526 (2009) DOI: 10.1149/1.3183759

T. Gebhard , K. Unterrainer , D. Alvarenga, P. S. S. Guimaraes, J. M. Villas-Boas,  M. P Pires., G. S. Vieira, and P. L. Souza, "Intraband auger effect in quantum dot structures", International Journal of Modern Physics B 23, 12-13, 2872-2878 (2009) DOI: 10.1142/S0217979209062487

R. Nedzinskas, B. Čechavičius, J. Kavaliauskas, V. Karpus, D. Seliuta, V. Tamošiunas, G. Valušis, G. Fasching, K. Unterrainer, G. Strasser, "Modulated reflectance study of InAs quantum dot stacks embedded in GaAs/AlAs superlattice", J. Appl. Phys. 106, 064308 (2009) DOI: 10.1063/1.3212980

E. Mujagić, C. Deutsch, H. Detz, P. Klang, M. Nobile, A.M. Andrews, W. Schrenk, K. Unterrainer, G. Strasser, "Vertically emitting terahertz quantum cascade ring lasers", Appl. Phys. Lett. 95, 011120 (2009) DOI: 10.1063/1.3176966

A. Benz, Ch. Deutsch, G. Fasching, K. Unterrainer, A.M. Andrews, P. Klang, L. K. Hoffmann, W. Schrenk, and G. Strasser, "Photonic crystal mode terahertz lasers", J. Appl. Phys. 105, 122404 (2009) DOI: 10.1063/1.3117229
 

O. Drachenko, D. V. Kozlov, V. Ya. Aleshkin, V. I. Gavrilenko, K. V. Maremyanin, A. V. Ikonnikov, B. N. Zvonkov, M. Goiran, J. Leotin, G. Fasching, S. Winnerl, H. Schneider, J. Wosnitza, and M. Helm, "High-field splitting of the cyclotron resonance absorption in strained p-InGaAs/GaAs quantum wells", Phys. Rev. B 79, 073301 (2009) DOI: 10.1103/PhysRevB.79.073301

T. Kubis, C. Yeh, P. Vogl, A. Benz, G. Fasching, and C. Deutsch, "Theory of nonequilibrium quantum transport and energy dissipation in terahertz quantum cascade lasers", Phys. Rev. B 79, 195323 (2009) DOI: 10.1103/PhysRevB.79.195323

T. Moldaschl, T. Müller, S. Golka, W. Parz, G. Strasser, K. Unterrainer, "Coherent control of ground state excitons in the nonlinear regime within an ensemble of InAs quantum dots", Physica Status Solidi C 6, No. 4, 876-878 (2009) DOI: 10.1002/pssc.200880637

A. Benz, Ch. Deutsch, G. Fasching, K. Unterrainer, A.M. Andrews, P. Klang, W. Schrenk, and G. Strasser, "Active photonic crystal terahertz laser", Opt. Express 17, 941 (2009) DOI: 10.1364/OE.17.000941

W. Parz, T. Müller, J. Darmo, K. Unterrainer, M. Austerer, G. Strasser, L. R. Wilson, J. W. Cockburn, A. B. Krysa, J. S. Roberts, "Intersubband gain induced dispersion", Optics Letters, 34, 208 (2009) DOI: 10.1364/OL.34.000208

W. Kühn, W. Parz, P. Gaal, K. Reimann, M. Woerner, T. Elsaesser, T. Müller, J. Darmo, K. Unterrainer, M. Austerer, G. Strasser, L. R. Wilson, J. W. Cockburn, A. B. Krysa, J. S. Roberts, "Ultrafast phase-resolved pump-probe measurements on a quantum cascade laser", Applied Physics Letters 93, 151106 (2008) DOI: 10.1063/1.2998648
Selected for the Virtual Journal of Ultrafast Science, November 2008

A. Benz, Ch. Deutsch, G. Fasching, K. Unterrainer, A.M. Andrews, P. Klang, L. K. Hoffmann, W. Schrenk, and G. Strasser, "Photonic crystal mode terahertz laser", J. Appl. Phys. 105, 122404 (2009, 29th ICPS special issue) DOI: 10.1063/1.3117229

G. Fasching, A. Benz, Ch. Deutsch, A. M. Andrewsa, R. Zobl, P. Klang, W. Schrenk, G. Strasser, V. Tamosiunas, and K. Unterrainer, "Dynamical frequency pulling of degenerated and nondegenerated modes in small mode volume whispering-gallery terahertz quantum-cascade lasers", Physica E 40, 1840-1843 (2008) DOI: 10.1016/j.physe.2007.11.00

T. Moldaschl, T. Müller, S. Golka, G. Strasser, K. Unterrainer, "Acoustic phonon-assisted damping of Rabi oscillations in InAs quantum dots", Phys. E 40, 2013-2015 (2008) DOI:10.1016/j.physe.2007.09.066

W. Parz, T. Müller, J. Darmo, K. Unterrainer, M. Austerer, G. Strasser, L. R. Wilson, J. W. Cockburn, A. B. Krysa, J. S. Roberts, "Ultrafast probing of light-matter interaction in a mid-infrared quantum cascade laser", Applied Physics Letters 93, 091105 (2008) DOI:10.1063/1.2970046
Selected for the Virtual Journal of Ultrafast Science, October 2008

A. M. Andrews, A. Benz, C. Deutsch, G. Fasching, K. Unterrainer, P. Klang, W. Schrenk, G. Strasser, "Doping dependence of LO-phonon depletion scheme THz quantum-cascade lasers", Materials Science and Engineering B 147, 152-155 (2008) DOI:10.1016/j.mseb.2007.08.012

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T. Gebhard, D. Alvarenga, P. L. Souza, P. S. S. Guimarães, K. Unterrainer, M. P. Pires, G. S. Vieira, J. M. Villas-Boas, "Intraband Auger effect in InAs/InGaAlAs/InP Quantum Dot Structures", Appl. Phys. Lett. 93, 052103 (2008) DOI: 10.1063/1.2965804

K. Unterrainer, A. Benz, J. Darmo, Ch. Deutsch, G. Fasching, J. Kröll, D.P. Kelly, M. Martl, T. Müller, W. Parz, S.S. Dhillon, C. Sirtori, A.M. Andrews, W. Schrenk, G. Strasser, X. Marcadet, M. Calligaro, H.E. Beere, and D.A. Ritchie, "Terahertz quantum cascade devices: from intersubband transition to microcavity laser", IEEE Journal of Selected Topics in Quantum, Eelectronics 14/2, 307 (2008)

T. Müller, T. Moldaschl, W. Parz, S. Golka, G. Strasser and K. Unterrainer, "Femtosecond Spectral Hole Burning", Acta Physica Polonica A 113, 777 (2008)

T. Müller, W. Parz, K. Unterrainer, S. Sauvage, J. Houel, P. Boucaud, A. Miard, A. Lemaître, "Ultrafast resonant terahertz response of excitons in semiconductor quantum dots", Phys. Rev. B 77, 035314 (2008)

R. Ferreira, G. Bastard, C. Sirtori, G. Strasser, K. Unterrainer, "Two-electron states bound to interface defects in quantum cascade lasers subject to a strong magnetic field", Phys. Rev. B 76, 165322 (2007)

G. Fasching, V. Tamosiunas, A. Benz, A. M. Andrews, K. Unterrainer, R. Zobl, T. Roch, W. Schrenk, G. Strasser, "Subwavelength Microdisk and Microring Terahertz Quantum-Cascade Lasers", IEEE Journal of Quantum, Eelectronics 43/8, 687 (2007)

J. Kröll, J. Darmo, S.S. Dhillon, X. Marcadet, M. Calligaro, C. Sirtori and K. Unterrainer, "Phase-resolved measurement of stimulated emission in a laser", Nature 449, 7163, 698-701 (2007)

J. Kröll, J. Darmo, K. Unterrainer, S.S. Dhillon, C. Sirtori, X. Marcadet and M. Calligaro, "Longitudinal spatial hole burning in terahertz quantum cascade lasers", Appl. Phys. Lett. 91, 161108 (2007)

P. L. Souza, A. J. Lopes, T. Gebhard, K. Unterrainer, M. P. Pires, J. M. Villas-Boas, G. S. Vieira, P. S. S. Guimarães, and Nelson Studart, "Quantum dot structures grown on Al containing quaternary material for infrared photodetection beyond 10 µm", Appl. Phys. Lett. 90, 173510 (2007)

T. Gebhard, P.L. Souza, F.F. Schrey, G. Strasser, K. Unterrainer, M.P. Pires, S.M. Landi, J.M. Villas-Boas, N. Studart, "Polarization dependence of intraband transitions in QDIPs", phys. stat. sol. (c), 4, No. 2, 304-306 (2007)

A. Benz, Ch. Deutsch, G. Fasching, A.M. Andrews, K. Unterrainer, P. Klang, W. Schrenk, G. Strasser, "Terahertz photonic crystal resonators in double-metal waveguides", Opt. Exp. 15, 12418 (2007)

A. Benz, G. Fasching, A.M. Andrews, M. Martl, K. Unterrainer, T. Roch, W. Schrenk, S. Golka, G. Strasser, "Influence of doping on the performance of terahertz quantum-cascade lasers", Applied Physics Letters 90, 101107 (2007)

F. F. Schrey, D. P. Nguyen, N. Regnault, R. Ferreira, G. Bastard, G. Strasser, and K. Unterrainer, "Optical Properties of IR Quantum Dot Detectors with Miniband Tunnel Extraction", AIP Conference Proceedings 893, "28th International Conference on the Physics of Semiconductors", p. 1423 (2006)

T. Müller, T. Moldaschl, G. Strasser, and K. Unterrainer, "Ultrafast Spectral Hole Burning Spectroscopy of Exciton Spin Relaxation in Quantum Dots", Conference Proceedings 893, "28th International Conference on the Physics of Semiconductors", p.955 (2006)

G. Fasching, A. Benz, A. M. Andrews, R. Zobl, T. Roch, W. Schrenk, G. Strasser, V. Tamosiunas, K. Unterrainer, "Dual-Mode Microcavity THz Quantum-cascade Lasers", AIP Conference Proceedings 893, "28th International Conference on the Physics of Semiconductors", p. 511 (2006)

T. Gebhard, P. L. Souza, F. F. Schrey, G. Strasser, K. Unterrainer, M. P. Pires, S. M. Landi, J. M. Villas-Boas, and N. Studart, "Polarization Dependence of Photocurrent in Quantum-dot Infrared Photodetectors", AIP Conference Proceedings 893, "28th International Conference on the Physics of Semiconductors", p. 443 (2006)

G. Fasching, F.F. Schrey, T. Roch, A.M. Andrews, W. Brezna, J. Smoliner, G. Strasser and K. Unterrainer, "Single InAs/GaAs quantum dots: Photocurrent and cross-sectional AFM analysis", Physica E 32, 183 (2006)

T. Müller, G. Strasser, and K. Unterrainer, "Ultrafast spectral hole burning spectroscopy of exciton spin flip processes in InAs/GaAs quantum dots", Appl. Phys. Lett. 88, 192105 (2006)
Selected for the Virtual Journal of Ultrafast Science 5(6) 2006
Selected for the Virtual Journal of Nanoscale Science & Technology 13(21) 2006

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 8, 3114 (2005)

F.F. Schrey, L. Rebohle, T. Müller, G. Strasser, K. Unterrainer, D. Nguyen, N. Regnault, I. Ferreira, G. Bastard, "Intraband transitions in quantum dot–superlattice heterostructures", Phys. Rev. B 72, 155310 (2005)

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)
Selected for the Virtual Journal of Nanoscale Science & Technology 11(6), (2005)

Reviews and book contributions

A. Benz, C. Deutsch, G. Fasching, K. Unterrainer, A. Maxwell, P. Klang, W. Schrenk, G. Strasser, "Designer Laser Resonators based on Amplifying Photonic Crystals", in: "Frontiers in Guided Wave Optics and Optoelectronics", SCIYO, ISBN: 978-953-7619-82-4, pp. 501-512 (2010)

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T. Müller, K. Unterrainer, "Ultrawideband mid-infrared spectroscopy of semiconductor nanostructures", in "Mid-Infrared Coherent Sources and Applications", p. 599-621, Springer (2008)