Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2012Heterodyne and spectroscopic room temperature terahertz imaging using InGaAs bow-tie diodes
Valusis, G.; Minkevicius, L.; Kasalynas, I.; Venckevicius, R.; Seliuta, D.; Tamosiunas, V.; Lisauskas, A.; Boppel, S.; Roskos, H.G.; Köhler, K.
Konferenzbeitrag
2011Experimental demonstration of efficient pulsed terahertz emission from a stacked GaAs/AlGaAs p-i-n-i heterostructure
Lisauskas, A.; Reklaitis, A.; Venckevicius, R.; Kasalynas, I.; Valusis, G.; Grigaliunaite-Vonseviciene, G.; Maestre, H.; Schmidt, J.; Blank, V.; Thomson, M.D.; Roskos, H.G.; Köhler, K.
Zeitschriftenaufsatz
2011Properties of the InGaAs bow-tie diode arrays for room temperature terahertz detection
Kasalynas, I.; Venckevicius, R.; Minkevicius, L.; Tamosiunas, V.; Seliuta, D.; Valusis, G.; Lisauskas, A.; Boppel, S.; Roskos, H.G.; Köhler, K.
Konferenzbeitrag
2011Strong electric field driven carrier transport non-linearities in n-type GaAs/AlGaAs superlattices
Subacius, L.; Venckevicius, R.; Kasalynas, I.; Seliuta, D.; Valusis, G.; Schmidt, J.; Lisauskas, A.; Roskos, H.G.; Alekseev, K.; Köhler, K.
Zeitschriftenaufsatz, Konferenzbeitrag
2011Terahertz heterodyne detection and imaging with the InGaAs bow-tie diode
Minkevicius, L.; Kasalynas, I.; Tamosiunas, V.; Seliuta, D.; Valusis, G.; Lisauskas, A.; Boppel, S.; Roskos, H.G.; Köhler, K.
Konferenzbeitrag
2011Terahertz heterodyne imaging with InGaAs-based bow-tie diodes
Minkevicius, L.; Tamosiunas, V.; Kasalynas, I.; Seliuta, D.; Valusis, G.; Boppel, S.; Roskos, H.G.; Köhler, K.
Zeitschriftenaufsatz
2009The role of gated and ungated plasma in THz detection by field effect transistors
Sakowicz, M.; Lusakowski, J.; Karpierz, K.; Grynberg, M.; Knap, W.; Köhler, K.; Valusis, G.; Golaszewska, K.; Kaminska, E.; Piotrowska, A.
Konferenzbeitrag
2009Terahertz GaAs/AlGaAs- and InGaAs-based bow-tie diodes: Spectral features and applications for imaging
Kasalynas, I.; Seliuta, D.; Tamosiunas, V.; Macutkevic, J.; Balakauskas, S.; Valusis, G.; Köhler, K.
Konferenzbeitrag
2009Terahertz imaging with bow-tie InGaAs-based diode with broken symmetry
Kasalynas, I.; Seliuta, D.; Simniskis, R.; Tamosiunas, V.; Köhler, K.; Valusis, G.
Zeitschriftenaufsatz
2008The response rate of room temperature terahertz InGaAs-based bow-tie detector with broken symmetry
Kasalynas, I.; Seliuta, D.; Simniskis, R.; Tamosiunas, V.; Vaicikauskas, V.; Grigelionis, I.; Nedzinskas, R.; Köhler, K.; Valusis, G.
Konferenzbeitrag
2008Terahertz detection by the entire channel of high electron mobility transistors
Sakowicz, M.; Lusakowski, J.; Karpierz, K.; Knap, W.; Grynberg, M.; Köhler, K.; Valusis, G.; Golaszewska, K.; Kaminska, E.; Piotrowska, A.; Caban, P.; Strupinski, W.
Zeitschriftenaufsatz, Konferenzbeitrag
2008Terahertz detection by two dimensional plasma field effect transistors in quantizing magnetic fields
Sakowicz, M.; Lusakowski, J.; Karpierz, K.; Grynberg, M.; Knap, W.; Köhler, K.; Valusis, G.; Golaszewska, K.; Kaminska, E.; Piotrowska, A.
Zeitschriftenaufsatz
2008THz detection by field-effect transistors in magnetic fields: Shallow water vs. deep water mechanism of electron plasma instability
Sakowicz, M.; Lusakowski, J.; Karpierz, K.; Grynberg, M.; Knap, W.; Köhler, K.; Valusis, G.; Golaszewska, K.; Kaminska, E.; Piotrowska, A.
Zeitschriftenaufsatz
2007The two-dimensional bigradient effect and its application for GHz-THz sensing
Seliuta, D.; Gruzinskis, V.; Tamosiunas, V.; Juozapavicius, A.; Kasalynas, I.; Asmontas, S.; Valusis, G.; Steenson, P.; Chow, W.-H.; Harrison, P.; Lisauskas, A.; Roskos, H.G.; Köhler, K.
Konferenzbeitrag
2006New trends in terahertz electronics
Tamosiunas, V.; Seliuta, D.; Juozapavicius, A.; Sirmulis, E.; Valusis, G.; Fatimy, A. el; Meziani, Y.; Dyakonova, N.; Lusakowski, J.; Knap, W.; Lisauskas, A.; Roskos, H.G.; Köhler, K.
Zeitschriftenaufsatz
2006Silicon lens-coupled bow-tie InGaAs-based broadband terahertz sensor operating at room temperature
Seliuta, D.; Kasalynas, I.; Tamosiunas, V.; Balakauskas, S.; Martunas, Z.; Asmontas, S.; Valusis, G.; Lisauskas, A.; Roskos, H.G.; Köhler, K.
Zeitschriftenaufsatz
2006Time-resolved photocurrent spectroscopy of optically excited superlattices and the prospects for Bloch gain
Lisauskas, A.; Blöser, C.; Sachs, R.; Demarina, N.V.; Juozapavicius, A.; Valusis, G.; Köhler, K.; Roskos, H.G.
Konferenzbeitrag
2005Broad band THz sensing by 2DEG bow-tie-type diodes
Valusis, G.; Seliuta, D.; Tamosiunas, V.; Sirmulis, E.; Balakauskas, S.; Gradauskas, J.; Suziedelis, A.; Asmontas, S.; Anbinderis, T.; Narkunas, A.; Papsujeva, I.; Lisauskas, A.; Roskos, H.G.; Köhler, K.
Zeitschriftenaufsatz, Konferenzbeitrag
2005Dynamics of the electric field in a GaAs/AlGaAs superlattice after femtosecond optical excitation: Application of time-resolved spectroscopic techniques
Lisauskas, A.; Blöser, C.; Sachs, R.; Roskos, H.G.; Juozapavicius, A.; Valusis, G.; Köhler, K.
Zeitschriftenaufsatz, Konferenzbeitrag
2005The evolution of the electric field in an optically excited semiconductor superlattice
Lisauskas, A.; Blöser, C.; Hummel, A.B.; Sachs, R.; Roskos, H.G.; Juozapavicius, A.; Valusis, G.; Köhler, K.
Zeitschriftenaufsatz
2005In-Plane shaped GaAS/AlGaAS modulation-doped structures: Physics and applications for THz/SUBTHz sensing
Asmontas, S.; Juozapavicius, A.; Seliuta, D.; Sirmulis, E.; Tamosiunas, V.; Valusis, G.; Köhler, K.
Aufsatz in Buch
2005THz/subTHz detection by asymmetrically-shaped bow-tie diodes containing 2DEG Layer
Seliuta, D.; Tamosiunas, V.; Sirmulis, E.; Asmontas, S.; Suziedelis, A.; Gradauskas, J.; Valusis, G.; Steenson, P.; Chow, W.-H.; Harrison, P.; Lisauskas, A.; Roskos, H.G.; Köhler, K.
Konferenzbeitrag
2005Time-resolved photocurrent spectroscopy of the evolution of the electric field in optically excited superlattices and the prospects for Bloch gain
Lisauskas, A.; Blöser, C.; Sachs, R.; Roskos, H.G.; Juozapavicius, A.; Valusis, G.; Köhler, K.
Zeitschriftenaufsatz
2004Detection of terahertz/sub-terahertz radiation by asymmetrically-shaped 2DEG layers
Seliuta, D.; Sirmulis, E.; Tamosiunas, V.; Balakauskas, S.; Asmontas, S.; Suziedelis, A.; Gradauskas, J.; Valusis, G.; Lisauskas, A.; Roskos, H.G.; Köhler, K.
Zeitschriftenaufsatz
2004The evolution of the electric field in an optically excited superlattice
Lisauskas, A.; Sachs, R.; Roskos, H.; Juozapavicius, A.; Valusis, G.; Köhler, K.
Konferenzbeitrag
2004Microwave sensor based on modulation-doped GaAs/AlGaAs structure
Juozapavicius, A.; Ardaravicius, L.; Suziedelis, A.; Kozic, A.; Gradauskas, J.; Kundrotas, J.; Seliuta, D.; Sirmulis, E.; Asmontas, S.; Valusis, G.; Roskos, H.G.; Köhler, K.
Zeitschriftenaufsatz, Konferenzbeitrag
2003Asymmetrically - shaped diodes for microwave - submillimeter sensing
Asmontas, S.; Ardavicius, L.; Balakauskas, S.; Gradauskas, J.; Kozic, A.; Kundrotas, J.; Köhler, K.; Roskos, H.G.; Sachs, R.; Suziedelis, A.; Seliuta, D.; Sirmulis, E.; Valusis, G.
Konferenzbeitrag
2003Peculiarities of excitonic photoluminescence of selectively-doped GaAs/Al(0.25)Ga(0.75)As structures
Kundrotas, J.; Asmontas, S.; Suziedelis, A.; Valusis, G.; Roskos, H.G.; Köhler, K.
Zeitschriftenaufsatz
2003Quenching of transient photoluminescence by strong in-plane electric fields in quantum wells
Kundrotas, J.; Dargys, A.; Asmontas, S.; Valusis, G.; Köhler, K.
Konferenzbeitrag
2002GHz-THz detection by asymmetrically-shaped GaAs: Bulk material versus nanostructures
Valusis, G.; Sachs, R.; Roskos, H.G.; Suziedelis, A.; Gradauskas, J.; Asmontas, S.; Sirmulis, E.; Köhler, K.
Zeitschriftenaufsatz
2001Changes of MQW photoluminescence under alpha particle irradiation
Kundrotas, J.; Dargys, A.; Valusis, G.; Asmontas, S.; Granja, C.; Pospisil, S.; Köhler, K.
Zeitschriftenaufsatz
2001Chapter 3: Bloch oscillations in semiconductors: Principles and applications
Sudzius, M.; Lyssenko, V.; Löser, F.; Valusis, G.; Hasche, T.; Leo, K.; Dignam, M.; Köhler, K.
Aufsatz in Buch
2001Influence of alpha particle bombardment and postannealing on photoluminescence from GaAs/Al(0.35)Ga(0.65)As multiple quantum wells
Kundrotas, J.; Dargys, A.; Valusis, G.; Asmontas, S.; Köhler, K.; Leroy, C.
Zeitschriftenaufsatz
2000Excitonic photoluminescence quenching by impact ionization of excitons and donors in GaAs/Al(0.35)Ga(0.65)As quantum wells with an in-plane electric field
Kundrotas, J.; Valusis, G.; Cesna, A.; Kundrotaite, A.; Dargys, A.; Suziedelis, A.; Gradauskas, J.; Asmontas, S.; Köhler, K.
Zeitschriftenaufsatz
1999Bloch oscillations in semiconductor superlattices
Lyssenko, V.G.; Sudzius, M.; Löser, F.; Valusis, G.; Hasche, T.; Leo, K.; Dignam, M.M.; Köhler, K.
Aufsatz in Buch
1999Dynamics of Bloch Oscillations: Influence of Excitation Conditions
Valusis, G.; Lyssenko, V.; Sudzius, M.; Löser, F.; Hasche, T.; Leo, K.; Köhler, K.
Zeitschriftenaufsatz
1999Influence of Electric Field on Photoluminescence Quenching in GaAs/AlGaAs Quantum Wells
Asmontas, S.; Cesna, A.; Gradauskas, J.; Köhler, K.; Kundrotaite, A.; Kundrotas, J.; Suziedelis, A.; Valusis, G.
Konferenzbeitrag
1999New Features of Spatial-Temporal dynamics of Bloch Oscillations
Dignam, M.; Köhler, K.; Leo, K.; Litvinenko, K.L.; Löser, F.; Lyssenko, V.; Sudzius, M.; Valusis, G.
Konferenzbeitrag
1998Direct measurement of the spatial displacement of Bloch-oscillating electrons in semiconductor superlattices
Sudzius, M.; Lyssenko, V.; Valusis, G.; Löser, F.; Hasche, T.; Dignam, M.; Köhler, K.; Leo, K.
Zeitschriftenaufsatz
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.
Zeitschriftenaufsatz
1997Direct measurement of the spatial displacement of bloch-oscillating electrons in semiconductor superlattices
Lyssenko, V.G.; Sudzius, M.; Valusis, G.; Löser, F.; Hasche, T.; Leo, K.; Dignam, M.M.; Köhler, K.
Zeitschriftenaufsatz
1996Bloch oscillations. Coherent control of wave packet dynamics in superlattices
Lyssenko, V.G.; Valusis, G.; Löser, F.; Hasche, T.; Leo, K.; Köhler, K.; Dignam, M.M.
Konferenzbeitrag
1996Dephasing dynamics of wave packets in semiconductor superlattices
Valusis, G.; Lyssenko, V.G.; Klatt, D.; Löser, F.; Pantke, K.-H.; Leo, K.; Köhler, K.
Konferenzbeitrag