Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019260 GHz broadband power amplifier MMIC
Schoch, Benjamin; Tessmann, Axel; Leuther, Arnulf; Wagner, Sandrine; Kallfass, Ingmar
Conference Paper
201932 GBd 16QAM wireless transmission in the 300 GHz band using a PIN diode for THz upconversion
Castro, Carlos; Nellen, Simon; Elschner, Robert; Sackey, Isaac; Emmerich, Robert; Merkle, Thomas; Globisch, Björn; Felipe, David de; Schubert, Colja
Conference Paper
2019An active gate-pumped transconductance upconverter for terahertz frequencies
Grötsch, Christopher M.; Wagner, Sandrine; Kallfass, Ingmar
Conference Paper
2019Advances of MOEMS-based external cavity QCLs
Härtelt, Marko; Hugger, Stefan; Butschek, Lorenz; Schilling, Christian; Merten, André; Schwarzenberg, Markus; Dreyhaupt, André; Grahmann, Jan; Rattunde, Marcel; Ostendorf, Ralf
Conference Paper
2019Advances on photoconductive InAs/GaSb type-II superlattice long-wavelength infrared detectors for high operating temperature
Müller, Raphael; Niemasz, Jasmin; Daumer, Volker; Janaszek, Andrzej; Jureńczyk, Jarosław; Rehm, Robert
Conference Paper
2019AlGaN/GaN high electron-mobility varactors on silicon substrate
Amirpour, Raul; Schwantuschke, Dirk; Brueckner, Peter; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2019Characterisation of thin boron-doped diamond films using raman spectroscopy and chemometrics
Knittel, Peter; Stach, Robert; Yoshikawa, Taro; Kirste, Lutz; Mizaikoff, Boris; Kranz, Christine; Nebel, Christoph E.
Journal Article
2019Comparison of MOCVD and MBE regrowth for CAVET fabrication
Kotzea, Simon; Witte, Wiebke; Godejohann, Birte-Julia; Marx, Mathias; Heuken, Michael; Kalisch, Holger; Aidam, Rolf; Vescan, Andrei
Journal Article
2019Determination of the graphene-graphite ratio of graphene powder by Raman 2D band symmetry analysis
Roscher, Sarah; Hoffmann, René; Ambacher, Oliver
Journal Article
2019Formation of icosahedron twins during initial stages of heteroepitaxial diamond nucleation and growth
Lebedev, Vadim; Yoshikawa, Taro; Giese, Christian; Kirste, Lutz; Zukauskaite, Agne; Graff, Andreas; Meyer, Frank; Burmeister, Frank; Ambacher, Oliver
Journal Article
2019Fraunhofer-Institut für Angewandte Festkörperphysik. Jahresbericht 2018/2019
 
Annual Report
2019GCPW GaAs broadside couplers at H-band and application to balanced power amplifiers
Amado-Rey, Ana Belén; Campos-Roca, Yolanda; Friesicke, Christian; Wagner, Sandrine; Ambacher, Oliver
Journal Article
2019High operating temperature InAs/GaSb type-II superlattice detectors on GaAs substrate for the long wavelength infrared
Müller, Raphael; Gramich, Vera; Wauro, Matthias; Niemasz, Jasmin; Kirste, Lutz; Daumer, Volker; Janaszek, A.; Jureńczyk, J.; Rehm, Robert
Journal Article
2019Increased nitrogen-vacancy centre creation yield in diamond through electron beam irradiation at high temperature
Capelli, M.; Heffernan, A.H.; Ohshima, T.; Abe, H.; Jeske, Jan; Hope, A.; Greentree, A.D.; Reineck, P.; Gibson, B.C.
Journal Article
2019Industrialization of type-II superlattice infrared detector technology at Fraunhofer IAF
Walther, Martin; Daumer, Volker; Rutz, Frank; Stadelmann, Tim; Klinger, Vera; Wörl, Andreas; Niemasz, Jasmin; Kirste, Lutz; Rehm, Robert
Conference Paper
2019Influence of substrate holder configurations on bias enhanced nucleation area for diamond heteroepitaxy: Toward wafer-scale single-crystalline diamond synthesis
Yoshikawa, Taro; Herrling, David; Meyer, Frank; Burmeister, Frank; Nebel, Christoph E.; Ambacher, Oliver; Lebedev, Vadim
Journal Article
2019InGaAs SWIR photodetectors for night vision
Rutz, Frank; Bächle, Andreas; Aidam, Rolf; Niemasz, Jasmin; Bronner, Wolfgang; Zibold, Andreas; Rehm, Robert
Conference Paper
2019Large-signal modeling of a scalable high-Q AlGaN/GaN high electron-mobility varactor
Amirpour, Raul; Schwantuschke, Dirk; Raay, Friedbert van; Brueckner, Peter; Quay, Rüdiger; Ambacher, Oliver
Journal Article
2019A low-loss W-band frequency-scanning antenna for wideband multichannel radar applications
Schneider, David A.; Rösch, Markus; Tessmann, Axel; Zwick, Thomas
Journal Article
2019Luminescence Properties of SiV-centers in diamond diodes
Tegetmeyer, Björn
: Ambacher, Oliver
Dissertation
2019Measurement of internal polarization by QCSE induced level shift in AlGaN quantum cascade emitters
Hofstetter, Daniel; Beck, Hans; Kirste, Lutz; Bour, David P.
Journal Article
2019Quasi-statischer MOEMS-Gitterscanner zum spektralen Durchstimmen eines MIR-Quantenkaskadenlasers
Merten, André; Schroedter, Richard; Dreyhaupt, André; Graßhoff, Thomas; Schwarzenberg, Markus; Hugger, Stefan; Schilling, Christian; Grahmann, Jan; Ostendorf, Ralf
Journal Article
2019RF-noise model extraction procedure for distributed multiport models
Heinz, Felix; Schwantuschke, Dirk; Ohlrogge, Matthias; Leuther, Arnulf; Ambacher, Oliver
Conference Paper
2019Transfer von AlGaN/GaN-Hochleistungstransistoren auf Diamant
Gerrer, Thomas
: Ambacher, Oliver (Referent); Woias, Peter
Dissertation
2019A transmitter system-in-package at 300 GHz with an off-chip antenna and GaAs-based MMICs
Dyck, Alexander; Rösch, Markus; Tessmann, Axel; Leuther, Arnulf; Kuri, Michael; Wagner, Sandrine; Gashi, Bersant; Schäfer, Jochen; Ambacher, Oliver
Journal Article
2018100 W-level peak power laser system tunable in the LWIR applied to detection of persistent chemical agents
Gutty, Francois; Grisard, Arnaud; Larat, Christian; Papillon, Dominique; Schwarz, Muriel; Lallier, Eric; Tholl, Hans Dieter; Münzhuber, Franz; Kunz, Jürgen; Raab, Michael; Rattunde, Marcel; Hugger, Stefan; Kastek, Mariusz; Piatkowski, Tadeusz; Brygo, François; Awanzino, Cédric; Wilsenack, Frank
Conference Paper
2018A 300 GHz microstrip multilayered antenna on quartz substrate
Dyck, Alexander; Rösch, Markus; Tessmann, Axel; Leuther, Arnulf; Kuri, Michael; Massler, Hermann; Wagner, Sandrine; Meder, Dirk; Weismann-Thaden, Birgit; Schlechtweg, Michael; Ambacher, Oliver
Conference Paper
2018A 5 W AlGaN/GaN power amplifier MMIC for 25-27 GHz downlink applications
Samis, Stanislav; Friesicke, Christian; Feuerschüz, Philip; Lozar, Roger; Maier, Thomas; Brueckner, Peter; Quay, Rüdiger; Jacob, A.F.
Conference Paper
2018500 GHz plasmonic Mach-Zehnder modulator enabling sub-THz microwave photonics
Burla, Maurizio; Hoessbacher, Claudia; Heni, Wolfgang; Haffner, Christian; Fedoryshyn, Yuriy; Werner, Dominik; Watanabe, Tatsuhiko; Massler, Hermann; Elder, Delwin; Dalton, Larry; Leuthold, Juerg
Report
201870-116-GHz LNAs in 35-nm and 50-nm gate-length metamorphic HEMT technologies for cryogenic and room-temperature operation
Thome, Fabian; Leuther, Arnulf; Gallego, Juan Daniel; Schäfer, Frank; Schlechtweg, Michael; Ambacher, Oliver
Conference Paper
2018An active multiplier-by-six S-MMIC for 500 GHz
Grötsch, Christopher M.; Massler, Hermann; Leuther, Arnulf; Kallfass, Ingmar
Conference Paper
2018Adaptive camouflage panel in the visible spectral range
Schwarz, Alexander; Bartos, Berndt; Kunzer, Michael; Zechmeister, Martin; Pawlikowski, Jakub
Conference Paper
2018Analysis and development of submillimeter-wave stacked-FET power amplifier MMICs in 35-nm mHEMT technology
Amado-Rey, Ana Belén; Campos-Roca, Yolanda; Raay, Friedbert van; Friesicke, Christian; Wagner, Sandrine; Massler, Hermann; Leuther, Arnulf; Ambacher, Oliver
Journal Article
2018Analysis of 4-way divider MMICs in GaAs technology for H-band applications
Amado-Rey, Belén; Campos-Roca, Yolanda; Friesicke, Christian; Raay, Friedbert van; Massler, Hermann; Leuther, Arnulf; Ambacher, Oliver
Conference Paper
2018Analysis, design and experimental evaluation of sub-THz power amplifiers based on GaAs metamorphic HEMT technology
Amado Rey, Ana Belén
: Paul, Oliver; Ambacher, Oliver; Campos-Roca, Y.
Dissertation
2018Analysis, design, and experimental evaluation of sub-THz power amplifiers based on GaAs metamorphic HEMT technology
Amado-Rey, Ana Belén
: Ambacher, Oliver (Referent); Campos-Roca, Yolanda (Referent)
Dissertation
2018Architecture of highly integrated cryogenic active planar OrthoMode transducer for the 3-mm band
Valente, G.; Navarrini, A.; Schaefer, F.; Serres, P.; Thome, Fabian
Conference Paper
2018Avalanche multiplication in AlGaN-based heterostructures for the ultraviolet spectral range
Hahn, Lars; Fuchs, Frank; Kirste, Lutz; Driad, Rachid; Rutz, Frank; Passow, Thorsten; Köhler, Klaus; Rehm, Robert; Ambacher, Oliver
Journal Article
2018Bandwidth Optimization Method for Reflective-Type Phase Shifters
Müller, D.; Haag, A.; Bhutani, A.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I.
Journal Article
2018Bei der LED-Beleuchtung muss der Mensch im Fokus stehen
Zibold, Andreas; Schillinger, Daniel; Blum, Bianca; Hodges, Hannah; Renz, Timon
Journal Article
2018A beyond 110 GHz GaN cascode low-noise amplifier with 20.3 dBm output power
Weber, Rainer; Ćwikliński, Maciej; Wagner, Sandrine; Lozar, Roger; Massler, Hermann; Brueckner, Peter; Quay, Rüdiger
Conference Paper
2018Broadband GaN-based power amplifier MMIC and module for V-band measurement applications
Schwantuschke, Dirk; Brueckner, Peter; Amirpour, Raul; Tessmann, Axel; Kuri, Michael; Rießle, Markus; Massler, Hermann; Quay, Rüdiger
Conference Paper
2018Broadband high-power W-band amplifier MMICs based on stacked-HEMT unit cells
Thome, Fabian; Leuther, Arnulf; Schlechtweg, Michael; Ambacher, Oliver
Journal Article
2018Buried-heterostructure quantum cascade lasers fabricated using a sacrificial layer and a two-step regrowth process
Driad, Rachid; Bächle, Andreas; Aidam, Rolf; Yang, Quankui K.
Conference Paper
2018C-V characterization technique for four-terminal GaN-on-Si HEMTs based on 3-port S-parameter measurements
Salcines, Cristino; Mönch, Stefan; Spudic, Boris; Kallfass, Ingmar
Conference Paper
2018Cathodoluminescence spectroscopy for failure analysis and process development of GaN-based microelectronic devices
Monachon, C.; Zielinski, M.S.; Berney, J.; Poppitz, David; Graff, Andreas; Breuer, Steffen; Kirste, Lutz
Conference Paper
2018Combining nanostructuration with boron doping to alter sub band gap acceptor states in diamond materials
Choudhury, Sneha; Kiendl, Benjamin; Ren, Jian; Gao, Fang; Knittel, Peter; Nebel, Christoph E.; Venerosy, Amélie; Girard, Hugues; Arnault, Jean-Charles; Krueger, Anke; Larsson, Karin; Petit, Tristan
Journal Article
2018Compact dual-polarization cryogenic receiver module for the 75-116 GHz band
Navarrini, Alessandro; Valente, Giuseppe; Serres, Patrice; Schäfer, Frank; Thome, Fabian; Garnier, Olivier
Conference Paper
2018Compact LTCC Packaging and Printing Technologies for Sub-THz Modules
Ihle, Martin; Ziesche, Steffen; Zech, Christian; Baumann, Benjamin
Conference Paper
2018Comparison of reliability of 100 nm AlGaN/GaN HEMTs with T-gate and SAG-gate technology
Dammann, Michael; Baeumler, Martina; Brueckner, Peter; Kemmer, Tobias; Konstanzer, Helmer; Graff, Andreas; Simon-Najasek, Michél; Quay, Rüdiger
Journal Article
2018Crosstalk analysis and correction in on-wafer measurements at WR-3 band frequencies
Müller, Daniel; Boes, F.; Tessmann, Axel; Leuthner, Arnulf; Zwick, Thomas; Kallfass, Ingmar
Conference Paper
2018Design of UV-crosslinked polymeric thin layers for encapsulation of piezoelectric ZnO nanowires for pressure-based fingerprint sensors
Bouvet-Marchand, Agathe; Graillot, Alain; Volk, János; Dauksevicius, Rolanas; Sturm, Chris; Grundmann, Marius; Saoutieff, Elise; Viana, Antoine; Christian, Björn; Lebedev, Vadim; Radó, J.; Lukács, István Endre; Q. Khánh N.; Grosso, David; Loubat, Cédric
Journal Article
2018Detection of dry fiber fabric in glass fiber reinforced plastics using a focused W-band radar
Meier, Dominik; Zech, Christian; Baumann, Benjamin; Hülsmann, Axel; Link, Torsten; Schlechtweg, Michael; Kühn, Jutta; Steinhagen, Frauke; Reindl, Leonhard
Conference Paper
2018Determination of elastic and piezoelectric properties of Al0.84Sc0.16N thin films
Kurz, Nicolas; Parsapour, Fazel; Pashchenko, Vladimir; Kirste, Lutz; Lebedev, Vadim; Pascal, Nicolay; Muralt, Paul; Ambacher, Oliver
Conference Paper
2018Direct observation of spontaneous polarization induced electron charge transfer in stressed ZnO nanorods
Seifikar, Masoud; Christian, Björn; Volk, János; Radó, János; Lukács, István E.; Dauksevicius, Rolanas; Gaidys, Rimvydas; Lebedev, Vadim; Viana, Antoine; O'Reilly, Eoin P.
Journal Article
2018Dynamic load modulated low-voltage GaN PA using novel low-loss GaN varactors
Amirpour, Raul; Krause, Sebastian; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2018The effects of thermal and correlated noise on magnons in a quantum ferromagnet
Jeske, Jan; Rivas, Ángel; Ahmed, Muhammad H.; Martin-Delgado, M.A.; Cole, Jared H.
Journal Article
2018Elastic modulus and coefficient of thermal expansion of piezoelectric Al1-xScxN (up to x = 0.41) thin films
Lu, Yuan; Reusch, Markus; Kurz, Nicolas; Ding, Anli; Christoph, Tim; Prescher, Mario; Kirste, Lutz; Ambacher, Oliver; Zukauskaite, Agne
Journal Article
2018Electrical properties of schottky-diodes based on B doped diamond
Erlbacher, T.; Huerner, A.; Zhu, Y.; Bach, L.; Schletz, A.; Zürbig, Verena; Pinti, Lucas; Kirste, Lutz; Giese, Christian; Nebel, Christoph E.; Bauer, A.J.; Frey, L.
Conference Paper
2018Entwicklung piezoelektrisch adaptiver Aluminiumnitrid/Diamant-Linsen für mikrooptische Systeme
Knöbber, Fabian Andreas
: Ambacher, Oliver (Referent); Wallrabe, Ulrike (Refernet)
Dissertation
2018Entwurf und Charakterisierung monolithischintegrierter Logikschaltungen basierend auf einer lateralen 600 V GaN-on-Si Technologie
Basler, Michael
: Kallfass, Ingmar (1. Prüfer); Quay, Rüdiger (2. Prüfer)
Master Thesis
2018Fast-switching monolithically integrated high-voltage GaN-on-Si power converters
Weiß, Beatrix
: Paul, O.; Ambacher, O.; Maksimovic, D.
Dissertation
2018First full W-band GaN power amplifier MMICs with novel broadband radial stubs and 50 GHz of bandwidth
Ćwikliński, Maciej; Friesicke, Christian; Brueckner, Peter; Schwantuschke, Dirk; Lozar, Roger; Massler, Hermann; Wagner, Sandrine; Quay, Rüdiger
Conference Paper
2018First results of a QCL-OPA based standoff system, for detecting hazardous substances in the IR-fingerprint domain
Wilsenack, Frank; Lorenzen, Arne; Brygo, François; Awanzino, Cédric; Gutty, Francois; Grisard, Arnaud; Larat, Christian; Papillon, Dominique; Schwarz, Muriel; Lallier, Eric; Tholl, Hans Dieter; Münzhuber, Franz; Kunz, Jürgen; Raab, Michael; Rattunde, Marcel; Hugger, Stefan; Kastek, Mariusz; Piatkowski, Tadeusz
Conference Paper
2018Flexible and Scalable Heterogeneous Integration of GaN HEMTs on Si‐CMOS by Micro‐Transfer‐Printing
Lerner, R.; Eisenbrandt, S.; Fischer, F.; Fecioru, A.; Trindade, A.J.; Bonafede, S.; Bower, C.; Waltereit, P.; Reiner, R.; Czap, H.
Journal Article
2018Fraunhofer Institute for Applied Solid State Physics. Annual Report 2017
 
Annual Report
2018Full W-band GaN power amplifier MMICs using a novel type of broadband radial stub
Ćwikliński, Maciej; Friesicke, Christian; Brueckner, Peter; Schwantuschke, Dirk; Wagner, Sandrine; Lozar, Roger; Massler, Hermann; Quay, Rüdiger; Ambacher, Oliver
Journal Article
2018A G-band broadband balanced power amplifier module based on cascode mHEMTs
Amado-Rey, Belén; Campos-Roca, Yolanda; Friesicke, Christian; Raay, Friedbert van; Massler, Hermann; Leuther, Arnulf; Ambacher, Oliver
Journal Article
2018GaN Nanowire Arrays for Efficient Optical Read-Out and Optoelectronic Control of NV Centers in Diamond
Hetzl, M.; Wierzbowski, J.; Hoffmann, T.; Kraut, M.; Zuerbig, V.; Nebel, C.E.; Müller, K.; Finley, J.J.; Stutzmann, M.
Journal Article
2018GaN-based high electron mobility transistors with high Al-content barriers
Godejohann, Birte-Julia
: Paul, Oliver; Ambacher, Oliver; Fiederle, M.
Dissertation
2018GaN-based Tri-gate high electron mobility transistors
Ture, Erdin
Dissertation
2018Gate oxide electrical stability of p-type diamond MOS capacitors
Loto, O.; Florentin, M.; Masante, N.; Donato, N.; Hicks, M.-L.; Pakpour-Tabrizi, A.C.; Jackman, R.B.; Zürbig, Verena; Godignon, B.; Eon, D.; Pernot, J.; Udrea, F.; Gheeraert, E.
Journal Article
2018Graphene as an active virtually massless top electrode for RF solidly mounted bulk acoustic wave (SMR-BAW) resonators
Knapp, Marius; Hoffmann, René; Lebedev, Vadim; Cimalla, Volker; Ambacher, Oliver
Journal Article
2018Halbleiterbauelement und Verfahren zu dessen Herstellung
Köhler, Klaus; Waltereit, Patrick
Patent
2018Halbzeug, Verfahren zu dessen Herstellung und damit hergestellte Komponente
Giese, Christian; Nebel, Christoph
Patent
2018High gain 220 - 275 GHz amplifier MMICs based on metamorphic 20 nm InGaAs MOSFET technology
Tessmann, Axel; Leuther, Arnulf; Heinz, Felix; Bernhardt, Frank; Massler, Hermann
Conference Paper
2018High quality AlGaN/GaN HEMT for RF applications on cold-split thinned 4H-SiC substrates
Leone, Stefano; Godejohann, Birte-Julia; Brueckner, Peter; Kirste, Lutz; Manz, Christian; Swoboda, Marko; Beyer, Christian; Richter, Jan; Quay, Rüdiger
Conference Paper
2018High-power asymmetrical three-way GaN doherty power amplifier at C-band frequencies
Derguti, Edon; Ture, Erdin; Krause, Sebastian; Schwantuschke, Dirk; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2018High-power microwave GaN/AlGaN HEMTs and MMICs on SiC and silicon substrates for modern radio communication
Quay, Rüdiger; Schwantuschke, Dirk; Ture, Erdin; Raay, Friedbert van; Friesicke, Christian; Krause, Sebastian; Müller, Stefan; Breuer, Steffen; Godejohann, Birte-Julia; Brueckner, Peter
Journal Article
2018Highly isolating and broadband single-pole double-throw switches for millimeter-wave applications up to 330 GHz
Thome, Fabian; Ambacher, Oliver
Journal Article
2018A homogeneous and reproducible large-area, low dispersion GaN-on-Si normally-off 600 V transistor technology using selective GaN etching
Waltereit, P.; Preschle, M.; Müller, S.; Kirste, L.; Czap, H.; Ruster, J.; Dammann, M.; Reiner, R.
Conference Paper
2018Impact of ground via placement in on-wafer contact pad design up to 325 GHz
Müller, Daniel; Schäfer, Jochen; Massler, Hermann; Ohlrogge, Matthias; Zwick, Thomas; Kallfass, Ingmar
Journal Article
2018In situ load-pull MMIC for large-signal characterization of mHEMT devices at submillimeter-wave frequencies
John, Laurenz; Ohlrogge, Matthias; Wagner, Sandrine; Friesicke, Christian; Tessmann, Axel; Leuther, Arnulf; Zwick, Thomas
Conference Paper
2018InGaAs-based SWIR photodetectors for night vision and gated viewing
Rutz, Frank; Aidam, Rolf; Bächle, Andreas; Heussen, Henning; Bronner, Wolfgang; Rehm, Robert; Benecke, Matthias; Sieck, Alexander; Brunner, S.; Göhler, Benjamin; Lutzmann, Peter
Conference Paper
2018InGaAs-on-insulator MOSFETs featuring scaled logic devices and record RF performance
Zota, Cezar B.; Convertino, Clarissa; Deshpande, Veeresh; Merkle, Thomas; Sousa, Marilyne; Caimi, Daniele; Czornomaz, Lukas
Conference Paper
2018Instabilities by parasitic substrate-loop of GaN-on-Si HEMTs in half-bridges
Mönch, Stefan; Weiss, Beatrix; Reiner, Richard; Waltereit, Patrick; Quay, Rüdiger; Ambacher, Oliver; Kallfass, Ingmar
Conference Paper
2018Investigation of differential broadband amplifiers in normally-on mHEMT technology
John, Laurenz; Merkle, Thomas; Friesicke, Christian; Tessmann, Axel; Leuther, Arnulf; Schlechtweg, Michael; Zwick, Thomas
Conference Paper
2018Investigation of high-efficiency hybrid power combining for ka-band frequencies
Neininger, Philipp; Meder, Dirk; John, Laurenz; Friesicke, Christian; Quay, Rüdiger; Zwick, Thomas
Conference Paper
2018Investigation of processing modules to establish a mm-wave foundry process for space applications
Brueckner, Peter; Dammann, Michael; Quay, Rüdiger
Conference Paper
2018Investigation of temperature characteristics and substrate influence on AlScN-based SAW resonators
Ding, Anli; Reusch, Markus; Lu, Yuan; Kurz, Nicolas; Lozar, Roger; Christoph, Tim; Driad, Rachid; Ambacher, Oliver; Zukauskaite, Agne
Conference Paper
2018Investigations of active antenna doherty power amplifier modules under beam-steering mismatch
Gashi, Bersant; Krause, Sebastian; Quay, Rüdiger; Fager, Christian; Ambacher, Oliver
Journal Article
2018Laser repair of defects in GaN LEDs
Delmdahl, Ralph; Passow, Thorsten; Kunzer, Michael; Binder, Michael
Journal Article
2018Low-frequency dispersion and state dependency in modern microwave III-V HEMTs
Raay, Friedbert van; Schwantuschke, Dirk; Leuther, Arnulf; Brueckner, Peter; Peschel, Detlef; Quay, Rüdiger; Schlechtweg, Michael
Conference Paper
2018Luminescence properties of SiV-centers in diamond diodes
Tegetmeyer, Björn
: Ambacher, Oliver
Dissertation
2018Metallization design investigations for graphene as a virtually massless electrode material for 2.1 GHz solidly mounted (BAW-SMR) resonators
Knapp, Marius; Lebedev, Vadim; Cimalla, Volker; Ambacher, Oliver
Conference Paper
2018Microoptoelectromechanical systems-based external cavity quantum cascade lasers for real-time spectroscopy
Butschek, Lorenz; Hugger, Stefan; Jarvis, Jan-Philip; Härtelt, Marko; Merten, André; Schwarzenberg, Markus; Grahmann, Jan; Stothard, David; Warden, Matthew; Carson, Christoph; Macarthur, John; Fuchs, Frank; Ostendorf, Ralf; Wagner, Joachim
Journal Article
2018Microstructural investigations of polycrystalline Ti2AlN prepared by physical vapor deposition of Ti-AlN multilayers
Gröner, Lukas; Kirste, Lutz; Oeser, Sabine; Fromm, Alexander; Wirth, Marco; Meyer, Frank; Burmeister, Frank; Eberl, Chris
Journal Article
2018mm-Wave operation of AlN/GaN-devices and MMICs at V- & W-band
Schwantuschke, Dirk; Godejohann, Birte-Julia; Brueckner, Peter; Tessmann, Axel; Quay, Rüdiger
Conference Paper
2018Modenverhalten von Quantenkaskadenlasern in miniaturisierten externen Resonatoren
Butschek, Lorenz
: Ambacher, Oliver (Referent); Buse, Karsten (Referent)
Dissertation
2018Monolithic GaN power circuits for highly-efficient, fast-switching converter applications with higher functionality
Waltereit, Patrick; Reiner, Richard; Weiss, Beatrix; Mönch, Stefan; Müller, Stefan; Czap, Heiko; Wespel, Matthias; Dammann, Michael; Kirste, Lutz; Quay, Rüdiger
Conference Paper
2018Monolithically integrated power circuits in high-voltage GaN-on-Si heterojunction technology
Reiner, Richard; Waltereit, Patrick; Weiss, Beatrix; Mönch, Stefan; Wespel, Matthias; Müller, Stefan; Quay, Rüdiger; Ambacher, Oliver
Journal Article
2018Multi-stage cascode in high-voltage AlGaN/GaN-on-Si technology
Reiner, Richard; Waltereit, Patrick; Mönch, Stefan; Dammann, Michael; Weiss, Beatrix; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2018Nitrogen-Vacancy Based Spectroscopy and Control of the Local Paramagnetic Spin Bath in Nitrogen-15 Delta-Doped Diamond
Böhm, F.; Sadzak, N.; Widmann, C.; Nebel, C.; Benson, O.
Conference Paper
2018A novel type of broadband radial stub
Ćwikliński, Maciej; Friesicke, Christian; Raay, Friedbert van; Massler, Hermann; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2018A novel unit cell for active switches in the millimeter-wave frequency range
Müller, Daniel; Scherer, Gunnar; Lewark, Ulrich J.; Massler, Hermann; Wagner, Sandrine; Tessmann, Axel; Leuther, Arnulf; Zwick, Thomas; Kallfass, Ingmar
Journal Article
2018PCB-embedding for GaN-on-Si power devices and ICs
Reiner, Richard; Weiss, Beatrix; Meder, Dirk; Waltereit, Patrick; Vockenberger, C.; Gerrer, Thomas; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2018Performance evaluation of commercial GaN RF HEMTs as hybrid topology power switches
Pereira, Aaron; Al-Sarawi, Said; Weste, N.; Abbott, D.; Carrubba, Vincenzo; Quay, Rüdiger
Conference Paper
2018Piezoelectric characterization of Sc0.26Al0.74N layers on Si (001) substrates
Sinusía Lozano, M.; Pérez-Campos, A.; Reusch, Markus; Kirste, Lutz; Fuchs, Theo; Zukauskaite, Agne; Chen, Z.; Iriarte, G.F.
Journal Article
2018Pulsed laser deposition of ferroelectric potassium tantalate-niobate optical waveguiding thin films
Jia, Yuechen; Winkler, Markus; Cheng, Chen; Chen, Feng; Kirste, Lutz; Cimalla, Volker; Zukauskaite, Agne; Szabados, Jan; Breunig, Ingo; Buse, Karsten
Journal Article
2018A quantum cascade laser-based Mach-Zehnder interferometer for chemical sensing employing molecular absorption and dispersion
Hayden, Jakob; Hugger, Stefan; Fuchs, Frank; Lendl, Bernhard
Journal Article
2018RF-noise modeling of InGaAs metamorphic HEMTs and MOSFETs
Heinz, Felix; Schwantuschke, Dirk; Leuther, Arnulf; Tessmann, Axel; Ohlrogge, Matthias; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2018Riemann-pump based RF-power DACs in GaN technology for 5G base stations
Weiß, Markus; Friesicke, Christian; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2018Robot-assisted laser tissue soldering system
Basov, Svetlana; Milstein, Amit; Sulimani, Erez; Platkov, Max; Peretz, Eli; Rattunde, Marcel; Wagner, Joachim; Netz, Uri; Katzir, Abraham; Nisky, Ilana
Journal Article
2018Scanning electrochemical microscopy: An analytical perspective
Izquierdo, Javier; Knittel, Peter; Kranz, Christine
Journal Article
2018Sensor and method for its production and application
Giese, Christian; Nebel, Christoph
Patent
2018Spurious mode suppression in the design of GCPW submillimeter-wave power amplifiers
Amado-Rey, Belén; Tessmann, Axel; Campos-Roca, Yolanda; Massler, Hermann; Leuther, Arnulf; Ambacher, Oliver
Conference Paper
2018State dependency, low-frequency dispersion, and thermal effects in microwave III-V HEMTs
Raay, Friedbert van; Schwantuschke, Dirk; Leuther, Arnulf; Brueckner, Peter; Peschel, Detlef; Quay, Rüdiger; Schlechtweg, Michael; Ambacher, Oliver
Conference Paper
2018Suppression of iron memory effect in GaN epitaxial layers
Leone, Stefano; Benkhelifa, Fouad; Kirste, Lutz; Manz, Christian; Müller, Stefan; Quay, Rüdiger; Stadelmann, Tim
Journal Article
2018Surface morphology and microstructure of pulsed DC magnetron sputtered piezoelectric AlN and AlScN thin films
Lu, Yuan; Reusch, Markus; Kurz, Nicolas; Ding, Anli; Christoph, Tim; Kirste, Lutz; Lebedev, Vadim; Zukauskaite, Agne
Journal Article
2018Temperature cross-sensitivity of AlN-based flexural plate wave sensors
Reusch, Markus; Holc, Katarzyna; Lebedev, Vadim; Kurz, Nicolas; Zukauskaite, Agne; Ambacher, Oliver
Journal Article
2018Temperature dependence of the pyroelectric coefficient of AlScN thin films
Kurz, Nicolas; Lu, Yuan; Kirste, Lutz; Reusch, Markus; Zukauskaite, Agne; Lebedev, Vadim; Ambacher, Oliver
Journal Article
2018Terahertz technologies to deliver optical network quality of experience in wireless systems beyond 5G
Boulogeorgos, Alexandros-Apostolos A.; Alexiou, Angeliki; Merkle, Thomas; Schubert, Colja; Elschner, Robert; Katsiotis, Alexandros; Stavrianos, Panagiotis; Kritharidis, Dimitrios; Chartsias, Panteleimon-Konstantinos; Kokkoniemi, Joonas; Juntti, Markku; Lehtomäki, Janne; Teixeira, António; Rodrigues, Francisco
Journal Article
2018Terahertz-to-Optical Conversion Using a Plasmonic Modulator
Ummethala, S.; Harter, T.; Köhnle, K.; Muehlbrandt, S.; Kutuvantavida, Y.; Kemal, J.N.; Schaefer, J.; Massler, H.; Tessmann, A.; Garlapati, S.K.; Bacher, A.; Hahn, L.; Walther, M.; Zwick, T.; Randel, S.; Freude, W.; Koos, C.
Conference Paper
2018Towards a compact, portable, handheld device for contactless real-time standoff detection of hazardous substances
Carson, Christopher; Macarthur, John; Warden, Mattew; Stothard, David; Butschek, Lorenz; Hugger, Stefan; Jarvis, Jan-Philip; Härtelt, Marko; Ostendorf, Ralf; Merten, André; Schwarzenberg, Markus; Grahmann, Jan; Ratajczyk, Marcin
Conference Paper
2018Transfer of AlGaN/GaN RF-devices onto diamond substrates via van der Waals bonding
Gerrer, Thomas; Cimalla, Volker; Waltereit, Patrick; Müller, Stefan; Benkhelifa, Fouad; Maier, Thomas; Czap, Heiko; Ambacher, Oliver; Quay, Rüdiger
Journal Article, Conference Paper
2018Two Q-band power amplifier MMICs in 100 nm AlGaN/GaN HEMT technology
Feuerschütz, Philip; Friesicke, Christian; Lozar, Roger; Wagner, Sandrine; Maier, Thomas; Brueckner, Peter; Quay, Rüdiger; Jacob, Arne F.
Conference Paper
2018Type II superlattice infrared photodetector research at Fraunhofer IAF
Stadelmann, Tim; Daumer, Volker; Gramich, Vera; Hugger, Tsvetelina; Kirste, Lutz; Klinger, Vera; Kohn, Norbert; Luppold, Wolfgang; Müller, Raphael; Niemasz, Jasmin; Rehm, Robert; Rutz, Frank; Schmidt, Johannes; Walther, Martin; Wauro, Matthias; Wörl, Andreas
Conference Paper
2018Ultra-broadband frequency multiplier MMICs for communication and radar applications
Grötsch, Christopher; Wagner, Sandrine; Leuther, Arnulf; Meier, Dominik; Kallfass, Ingmar
Conference Paper
2018Ultraviolet laser ablation as technique for defect repair of GaN‑based light‑emitting diodes
Passow, Thorsten; Kunzer, Michael; Pfeuffer, Alexander; Binder, Michael; Wagner, Joachim
Journal Article
2018W-Band FMCW MIMO radar demonstrator system for 3D imaging
Bleh, Daniela Karina
: Paul, Oliver; Ambacher, Oliver; Yang, Bin
Dissertation
2018W-band SPDT switches in planar and tri-gate 100-nm gate-length GaN-HEMT technology
Thome, Fabian; Ture, Erdin; Brueckner, Peter; Quay, Rüdiger; Ambacher, Oliver
Conference Paper
2018A WR3-Band 2-bit Phase Shifter Based on Active SPDT Switches
Müller, D.; Pahl, P.; Tessmann, A.; Leuther, A.; Zwick, T.; Kallfass, I.
Journal Article
2018X-band GaN high power amplifier with integrated power switch for airborne applications
Pereira, A.; Al-Sarawi, S.; Weste, N.; Abbott, D.; Kuhn, J.; Carrubba, V.; Quay, R.
Conference Paper