Yilmazoglu, Oktay (2023)
Keynote Speaker: Towards Miniaturized Vacuum Tubes for Millimeter and Terahertz Waves.
2023 24th International Vacuum Electronics Conference (IVEC). Chengdu, China (25-28 April 2023)
doi: 10.1109/IVEC56627.2023.10157308
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Hajo, Ahid S. (2022)
Gunn diode and method of manufacturing the same.
Norm, Patent, Standard, Bibliographie

Hajo, Ahid S. ; Preu, Sascha ; Kochkurov, Leonid ; Kusserow, Thomas ; Yilmazoglu, Oktay (2022)
Fully Integrated THz Schottky Detectors Using Metallic Nanowires as Bridge Contacts.
In: IEEE Access, 9
doi: 10.1109/ACCESS.2021.3122379
Artikel, Bibliographie

Lee, Wen Zhao ; Ong, Duu Sheng ; Choo, Kan Yeep ; Yilmazoglu, Oktay ; Hartnagel, Hans L. (2021)
Monte Carlo evaluation of GaN THz Gunn diodes.
In: Semiconductor Science and Technology, 36 (12)
doi: 10.1088/1361-6641/ac2b4d
Artikel, Bibliographie

Yilmazoglu, Oktay ; Hajo, Ahid S.
Hrsg.: Technische Universität Darmstadt (2021)
Gunndiode und Verfahren zu deren Herstellung.
Norm, Patent, Standard, Bibliographie

Yilmazoglu, Oktay ; Hajo, Ahid S.
Hrsg.: Technische Universität Darmstadt (2020)
Gunndiode und Verfahren zum Erzeugen einer Terahertzstrahlung.
Norm, Patent, Standard, Bibliographie

Jumaah, Alaa ; Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Kusserow, Thomas (2020)
Continuous-Wave Terahertz Emitter with Hybrid Nanoelectrodes Based on Graphene and Nanowire.
In: OSA Continuum, 3 (7)
doi: 10.1364/OSAC.392837
Artikel, Bibliographie

Hajo, Ahid S. ; Yilmazoglu, Oktay ; Dadgar, Armin ; Kuppers, Franko ; Kusserow, Thomas (2020)
Reliable GaN-Based THz Gunn Diodes With Side-Contact and Field-Plate Technologies.
In: IEEE Access, 8
doi: 10.1109/ACCESS.2020.2991309
Artikel, Bibliographie

Wiecha, Matthias M. ; Al-Daffaie, Shihab ; Bogdanov, Andrey ; Thomson, Mark D. ; Yilmazoglu, Oktay ; Küppers, Franko ; Soltani, Amin ; Roskos, Hartmut G. (2019)
Direct Near-Field Observation of Surface Plasmon Polaritons on Silver Nanowires.
In: ACS Omega, 4 (26)
doi: 10.1021/acsomega.9b03036
Artikel, Bibliographie

Yilmazoglu, Oktay ; Yadav, Sandeep ; Cicek, Deniz ; Schneider, Joerg (2019)
Spring sensor element.
Norm, Patent, Standard, Bibliographie

Yilmazoglu, Oktay ; Yadav, Sandeep ; Cicek, Deniz ; Schneider, Joerg (2019)
Spring sensor element having carbon nanotubes.
Norm, Patent, Standard, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Wiecha, Matthias ; Soltani, Amin ; Küppers, Franko ; Kusserow, Thomas ; Roskos, Hartmut (2019)
Sliver Nanowire Surface Plasmon Polaritons Enhancement in Terahertz Nanodevices.
44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Paris, France (01.09.2019-06.09.2019)
Konferenzveröffentlichung, Bibliographie

Warmowska, Dominika ; Jumaah, Alaa ; Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Raida, Zbynek (2019)
Manufacture of high-gain, circularly polarized terahertz antenna array in silicon technology.
8th Asia-Pacific Conference on Antennas and Propagation (APCAP). Incheon, Korea (04.08.2019-07.08.2019)
Konferenzveröffentlichung, Bibliographie

Jumaah, Alaa ; Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Kusserow, Thomas (2019)
Interdigital Multilayer-Graphene Nanoelectrodes for Continuous Wave Terahertz photomixers.
The European Microwave Conference in Central Europe EuMCE. Prague, Czech Republic (13.05.2019-15.05.2019)
Konferenzveröffentlichung, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Wiecha, Matthias ; Soltani, Amin ; Kusserow, Thomas ; Roskos, Hartmut (2019)
Sliver nanowire plasmonic enhancement in nanoelectrodes terahertz photomixer.
French-German THz Conference FGTC. Kaiserslautern, Germany (02.04.2019-05.04.2019)
Konferenzveröffentlichung, Bibliographie

Jumaah, Alaa ; Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Kusserow, Thomas (2019)
Experimental Investigation of Graphene Layers as 2D Nanoelectrode for Continuous Wave Terahertz Generation.
44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Paris, France (01.09.2019-06.09.2019)
Konferenzveröffentlichung, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Hajo, Ahid S. ; Nedeoglo, Natalia D. ; Nedeoglo, Dmitrii D. ; Preu, Sascha ; Küppers, Franko ; Hartnagel, Hans L. (2018)
Enhanced Responsivity of ZnSe‐Based Metal–Semiconductor–Metal Near‐Ultraviolet Photodetector via Impact Ionization.
In: physica status solidi (RRL) – Rapid Research Letters, 12 (2)
doi: 10.1002/pssr.201700418
Artikel, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Jumaah, Alaa ; Küppers, Franko (2018)
First Demonstration of Continuous Wave Terahertz Radiation from Semi-Insulating GaAs Photomixer with Nanowire.
43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Nagoya, Japan.
Konferenzveröffentlichung, Bibliographie

Jumaah, Alaa ; Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko (2018)
Graphene Enhanced 2-D Nanoelectrode For Continuous Wave Terahertz Photomixers.
43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Nagoya, Japan.
Konferenzveröffentlichung, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Jumaah, Alaa ; Küppers, Franko (2018)
INVITED: Nanoelectrode Based Terahertz Devices.
EMN Meeting on Terahertz & Collaborative Conference on Nonlinear Optics, April 16 to 20, 2018 Amsterdam, Netherlands.
Konferenzveröffentlichung, Bibliographie

Küppers, Franko ; Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Al-Daffaie, Shihab ; Oprea, Ion ; Ong, Duu Sheng ; Hartnagel, Hans L. (2018)
Internal Quantum Efficiency Enhancement of InGaN/GaN LEDs WITH Mg-Si pin-Doped GaN Quantum Barrier.
9th International Conference on Materials Science and Condensed Matter Physics, Chisinau, Moldova.
Konferenzveröffentlichung, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Preu, Sascha ; Küppers, Franko ; Hartnagel, Hans L. (2018)
Proposal for a Monolithic Broadband Terahertz Quantum Cascade Laser Array Tailored to Detection of Explosive Materials.
In: Sensor Letters, 16 (1)
doi: 10.1166/sl.2018.3919
Artikel, Bibliographie

Sirkeli, V. P. ; Yilmazoglu, Oktay ; Ong, D. S. ; Preu, Sascha ; Küppers, F. ; Hartnagel, Hans L. (2017)
Resonant Tunneling and Quantum Cascading for Optimum Room-Temperature Generation of THz Signals.
In: IEEE Transactions on Electron Devices, 64 (8)
doi: 10.1109/TED.2017.2718541
Artikel, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Al-Daffaie, Shihab ; Preu, Sascha ; Küppers, Franko ; Hartnagel, Hans L. (2017)
1.33 THz room-temperature quantum cascade lasers based on ZnMgSe/ZnSe.
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017 42nd International Conference on.
Konferenzveröffentlichung, Bibliographie

Jumaah, Alaa ; Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko (2017)
Graphene—Nanowire hybrid photomixer for continuous-wave terahertz generation.
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017 42nd International Conference on.
Konferenzveröffentlichung, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Al-Daffaie, Shihab ; Oprea, Ion ; Ong, Duu Sheng ; Küppers, Franko ; Hartnagel, Hans L. (2017)
Resonant tunneling transport in Zn x Be 1-x Se/ZnSe/Zn y Be 1-y Se asymmetric quantum structures.
Nanotechnology VIII.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Yadav, Sandeep ; Cicek, Deniz ; Schneider, Joerg (2016)
Spring sensor element.
Norm, Patent, Standard, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Al-Daffaie, Shihab ; Oprea, Ion ; Ong, Duu Sheng ; Küppers, Franko ; Hartnagel, Hans L. (2016)
Efficiency enhancement of InGaN/GaN light-emitting diodes with pin-doped GaN quantum barrier.
In: Journal of Physics D: Applied Physics, 50 (3)
Artikel, Bibliographie

Evtukh, Anatoliy ; Hartnagel, Hans ; Yilmazoglu, Oktay ; Mimura, Hidenori ; Pavlidis, Dimitris (2015)
Quantum Electron Sources for High Frequency Applications.
Buch, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Küppers, Franko ; Hartnagel, Hans L. (2015)
Effect of p-NiO and n-ZnSe interlayers on the efficiency of p-GaN/n-ZnO light-emitting diode structures.
In: Semiconductor Science and Technology, 30 (065005)
Artikel, Bibliographie

Sirkeli, Vadim P. ; Yilmazoglu, Oktay ; Küppers, Franko ; Hartnagel, Hans L. (2015)
Effect of p-NiO Interlayer on Internal Quantum Efficiency of p-GaN/n-ZnO Light-Emitting Devices.
In: Journal of Nanoelectronics and Optoelectronics, 9 (6)
Artikel, Bibliographie

Yilmazoglu, Oktay ; Evtukh, Anatoli ; Al-Daffaie, Shihab ; Biethan, Jens-Peter ; Pavlidis, Dimitris ; Litovchenko, Vladimir ; Hartnagel, Hans L. (2014)
Electron field emission from nanostructured semiconductors under photo illumination.
In: Turkish Journal of Physics, 38 (3)
Artikel, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Hartnagel, Hans (2014)
Single nanowire photomixer for reliable and high frequency continuous wave terahertz generation.
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay (2013)
GaN-based Gunn diodes and functional field emitters for high frequency signal generation and carbon nanotube sensors.
Technische Universität Darmstadt
Habilitation, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Hartnagel, Hans (2013)
Graphene LTG-GaAs photomixer for reliable continuous wave terahertz generation.
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on.
Konferenzveröffentlichung, Bibliographie

Kayhan, Emine ; Prasad, Ravi Mohan ; Gurlo, Alexander ; Yilmazoglu, Oktay ; Engstler, Jörg ; Ionescu, Emanuel ; Yoon, Songhak ; Weidenkaff, Anke ; Schneider, Jörg J. (2012)
Synthesis, Characterization, Electronic and Gas-Sensing Properties towards H2and CO of Transparent, Large-Area, Low-Layer Graphene.
In: Chemistry - A European Journal, 18 (47)
doi: 10.1002/chem.201201880
Artikel, Bibliographie

Yilmazoglu, Oktay ; Al-Daffaie, Shihab ; Hartnagel, Hans L. ; Joshi, R. ; Yadav, S. ; Schneider, J. J. ; Nick, C. ; Thielemann, C. (2012)
CNT photocathodes based on GaAs high-frequency photoswitches.
Vacuum Nanoelectronics Conference (IVNC), 2012 25th International.
Konferenzveröffentlichung, Bibliographie

Al-Daffaie, Shihab ; Yilmazoglu, Oktay ; Küppers, Franko ; Hartnagel, Hans (2012)
INVITED Nanogrid-based vertically integrated photomixer for continuous wave terahertz generation.
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Mutamba, Kabula ; Pavlidis, Dimitris ; Karduman, Tamer (2010)
Gunn diode.
Norm, Patent, Standard, Bibliographie

Litovchenko, V. ; Evtukh, A. ; Semenenko, M. ; Grigoriev, A. ; Yilmazoglu, Oktay ; Hartnagel, Hans L. ; Sirbu, L. ; Tiginyanu, I. M. ; Ursaki, V. V. (2007)
Electron field emission from narrow band gap semiconductors (InAs).
In: Semiconductor science and technology, 22
Artikel, Bibliographie

Yilmazoglu, Oktay ; Hartnagel, Hans L. ; Pavlidis, Dimitris ; Evtukh, A. ; Litovchenko, V. ; Semenenko, M. ; Gorbanyuk, T. ; Grigoriev, A. (2007)
Pecularities of electron field emission from nanostructured GaN and AlGaN.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Mutamba, Kabula ; Pavlidis, Dimitris ; Mbarga, Marie Rose (2006)
Strain sensitivity of AlGaN/GaN HEMT structures for sensing applications.
In: IEICE Transactions C: IEICE Transactions on Electronics E, 89 (7)
doi: 10.1093/ietele/e89-c.7.1037
Artikel, Bibliographie

Mutamba, Kabula ; Yilmazoglu, Oktay ; Sydlo, Cezary ; Mir, Mostafa ; Hubbard, Seth ; Zhao, G. ; Daumiller, Ingo ; Pavlidis, Dimitris (2006)
Technology aspects of GaN-based diodes for high-field operation.
In: Superlatices and Microstructures, 40
Artikel, Bibliographie

Mutamba, K. ; Yilmazoglu, Oktay ; Cojocari, Oleg ; Sydlo, Cezary ; Pavlidis, Dimitris ; Hartnagel, Hans L. (2006)
Technology of Wide-Bandgap Diode Struvtures for High Frequency Operation.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay (2005)
III-V-Halbleiter Feldemissions-Sensoren und -Mikrowellenquellen und Positionssensorik.
Technische Universität Darmstadt
Dissertation, Bibliographie

Evtukh, A. A. ; Hartnagel, Hans L. ; Litovchenko, V. G. ; Semenenko, M. O. ; Yilmazoglu, Oktay (2004)
Enhancement of electron field emission stability by nitrogen-doped diamond-like carbon film coating.
In: Semiconductor science & technology, 19
Artikel, Bibliographie

Litovchenko, V. G. ; Evtukh, A. A. ; Kryuchenko, Yu. ; Goncharuk, N. M. ; Yilmazoglu, Oktay ; Mutamba, Kabula ; Hartnagel, Hans L. ; Pavlidis, Dimitris (2004)
Quantum size resonance tunneling in the field emission phenomenon.
In: Journal of applied physics, 96
Artikel, Bibliographie

Yilmazoglu, Oktay ; Pavlidis, Dimitris ; Litvin, Yu. M. ; Hubbard, S. M. ; Tiginyanu, I. M. ; Mutamba, Kabula ; Hartnagel, Hans L. ; Litovchenko, V. G. ; Evtukh, A. A. (2003)
Field emission from quantum size GaN structures.
In: Applied Surface Science, 220 (1-4)
doi: 10.1016/S0169-4332(03)00750-5
Artikel, Bibliographie

Litovchenko, V. G. ; Evtukh, A. A. ; Litvin, Yu. M. ; Goncharuk, N. M. ; Hartnagel, Hans L. ; Yilmazoglu, Oktay ; Pavlidis, Dimitris (2003)
Peculiarities of the electron field emission from quantum-size structures.
In: Applied Surface Science, 215 (1-4)
doi: 10.1016/S0169-4332(03)00283-6
Artikel, Bibliographie

Evtukh, A. A. ; Litovchenko, V. G. ; Litvin, Yu. M. ; Hartnagel, Hans L. ; Yilmazoglu, Oktay (2003)
Field emission from SiOx films deposited on Si and GaAs tip arrays.
Konferenzveröffentlichung, Bibliographie

Litovchenko, V. G. ; Evtukh, A. A. ; Goncharuk, N. M. ; Litvin, Yu. M. ; Hartnagel, Hans L. ; Yilmazoglu, Oktay (2002)
Anomalous field emission from quantum size structure.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Pavlidis, Dimitris ; Litvin, Yu. M. ; Hubbard, S. M. ; Tiginyanu, I. ; Mutamba, Kabula ; Hartnagel, Hans L. ; Litovchenko, V. G. ; Evtukh, A. A. (2002)
Field emission from quantum size GaN whiskers.
Konferenzveröffentlichung, Bibliographie

Megej, Alexander ; Beilenhoff, Klaus ; Schuessler, M. ; Ziroff, A. ; Mottet, Bastian ; Yilmazoglu, Oktay ; Mutamba, Kabula ; Hamann, C. D. ; Baican, R. ; Hartnagel, Hans L. (2002)
Integrated microwave sensor for cavity-length measurement in machine engineering.
In: IEEE transactions on microwave theory and techniques, 5 (12)
Artikel, Bibliographie

Megej, Alexander ; Beilenhoff, Klaus ; Schuessler, M. ; Ziroff, A. ; Mottet, Bastian ; Yilmazoglu, Oktay ; Mutamba, Kabula ; Hamann, C. D. ; Baican, R. ; Hartnagel, Hans L. (2002)
Integrated microwave sensor for cavity-length measurement with sub-millimeter accuracy.
Konferenzveröffentlichung, Bibliographie

Hartnagel, Hans L. ; Mutamba, Kabula ; Brandt, Michael ; Yilmazoglu, Oktay (2002)
Verbindungshalbleitersensorik für mechatronische Systeme.
In: Mechatronische Systeme für den Maschinenbau : Ergebnisse aus dem SFB 241 "Integrierte mechanisch-elektronische Systeme für den Maschinenbau" (IMES)
Buchkapitel, Bibliographie

Litvin, Yu. M. ; Evtukh, A. A. ; Yilmazoglu, Oktay ; Hartnagel, Hans L. (2002)
The influence of the self-organization nano-size structures on the electron field emission.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Brandt, M. ; Sigmund, J. ; Genc, E. ; Hartnagel, H. L. (2001)
Integrated InAs/GaSb 3D magnetic field sensors for "the intelligent tire".
In: Sensors and Actuators A : Physical, 94 (1-2)
doi: 10.1016/S0924-4247(01)00700-2
Artikel, Bibliographie

Yilmazoglu, Oktay ; Mimura, H. ; Mutamba, K. ; Hartnagel, H. L. ; Shimawaki, H. ; Yokoo, K. (2001)
Emission behaviour of micromachined vertical field emitter with cantilever structure.
Konferenzveröffentlichung, Bibliographie

Mimura, H. ; Yilmazoglu, Oktay ; Shimawaki, H. ; Yokoo, K. ; Mutamba, K. ; Hartnagel, Hans L. (2001)
Emission characteristics of a gallium arsenide wedge emitter monolithically fabricated with an air-bridge and a cantilever anode.
Konferenzveröffentlichung, Bibliographie

Yokoo, K. ; Okamura, K. ; Hasegawa, H. ; Mimura, H. ; Yilmazoglu, Oktay ; Mutamba, Kabula ; Hartnagel, Hans L. ; Ishizuka, H. ; Kawamura, Y. (2001)
Experiments of microwave and optical wave radiation using field emission micro cathode.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Mimura, H. ; Mutamba, K. ; Hartnagel, H. L. ; Okamura, K. ; Shimawaki, H. ; Yokoo, K. (2001)
Generation of a bunched beam by field-emitter structures.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Mimura, H. ; Mutamba, K. ; Cojocari, O. ; Hartnagel, H. L. ; Okamura, K. ; Shimawaki, H. ; Yokoo, K. (2001)
Generation of modulation beam with GaAs field-emitter structures.
Konferenzveröffentlichung, Bibliographie

Hartnagel, Hans L. ; Yilmazoglu, Oktay ; Mutamba, Kabula (2000)
Concepts of microwave power electronics based on electron field emission from structures fabricated in semiconducting materials.
Konferenzveröffentlichung, Bibliographie

Yokoo, K. ; Okamura, K. ; Mimura, H. ; Yilmazoglu, Oktay ; Arslan, D. ; Hartnagel, Hans L. ; Ishizuka, H. (2000)
Field emission studies for microwave and optical wave generation.
Konferenzveröffentlichung, Bibliographie

Mimura, H. ; Okamura, K. ; Shimawaki, H. ; Yokoo, K. ; Yilmazoglu, Oktay ; Hartnagel, Hans L. (2000)
GaAs lateral field emitters for generation of modulation beam using gunn effect.
Konferenzveröffentlichung, Bibliographie

Yilmazoglu, Oktay ; Hartnagel, H. L. ; Mimura, H. ; Okumura, K. ; Shimawaki, H. ; Yokoo, K. (2000)
Gunn effect based modulationbeam generation with GaAs lateral field emitter structures.
Konferenzveröffentlichung, Bibliographie

Hartnagel, Hans L. ; Mutamba, Kabula ; Yilmazoglu, Oktay (2000)
New aspects of quantum electronics based MEMS.
Konferenzveröffentlichung, Bibliographie

Hartnagel, Hans L. ; Mutamba, Kabula ; Brandt, M. ; Yilmazoglu, Oktay (2000)
Verbindungshalbleitersensoren für mechatronische Systeme.
In: Thema Forschung, 6
Artikel, Bibliographie

Hartnagel, Hans L. ; Brandt, M. ; Mayer, K. ; Mutamba, Kabula ; Yilmazoglu, Oktay ; Megej, Alexander ; Lin, C. I. ; Rodriguez, M. (1999)
Contact free sensor signal transfer by microwave and RF links.
Konferenzveröffentlichung, Bibliographie