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apl. Prof. Dr.-Ing. Dirk Schulz

apl. Prof. Dr.-Ing. Dirk Schulz Foto von apl. Prof. Dr.-Ing. Dirk Schulz

Telefon
+49 (0)231 755 - 3909

Fax
+49 (0)231 755 - 4631

Sprechzeiten
Nach Vereinbarung

Adresse

TU Dortmund
Fakultät für Elektrotechnik und Informationstechnik
Lehrstuhl für Hochfrequenztechnik
Friedrich-Wöhler-Weg 4
44227 Dortmund

Campus Adresse
Campus Nord
Gebäude ET A (Einfahrt 34)

Raum 2.10

Übersicht

Lebenslauf

  • Geboren in Düsseldorf am 11.11.1965
  • Studium der Elektrotechnik an der RWTH Aachen von 1985-1990
  • Abschluss Dipl.-Ing.
  • seit August 1990 an der Universität Dortmund am Lehrstuhl für Hochfrequenztechnik beschäftigt
  • Promotion zum Dr.-Ing. 1994
  • Promotionsthema:
    'Simulation optischer Wellenleiterschaltungen im Zeit- und Frequenzbereich'
  • Habilitation 2001
  • Habilitationsthema:
    'Zeitbereichsanalyse von Bauelementen der Hochfrequenztechnik und optischen Übertragungstechnik'
  • Verleihung der Lehrbefugnis für das Fach 'CAD für Hochfrequenzschaltungen' an der Universität Dortmund 25.04.2001
  • Vertretungsprofessur 'Elektromagnetische Verträglichkeit' an der Technischen Universität Dortmund 01.04.2004 - 30.03.2006
  • Verleihung der Bezeichnung apl. Prof. am 02.04.2019

Forschung

  • Hochfrequenztechnik und Photonik
    • Modellierung und Analyse des Ladungsträgertransports in Quantenbauelementen der THz-Technik und Photonik
    • Entwicklung von schnellen Algorithmen für die Analyse von Wellenleiterschaltungen im Zeit- und Frequenzbereich für Anwendungen in der THz-Technik und Photonik
    • Analyse und Herstellung von Gitterstrukturen in der Plasmonik und deren Anwendungen in der Sensorik
  • Aktuelle Drittmittelprojekte
    • Schnelle Zeitbereichsmethoden zur Analyse von Komponenten der Photonik (Förderung durch die DFG ab 01.09.2016)
    • Numerische Methoden zur Beschleunigung der Analyse des Ladungsträgertransports in Quantenbauelementen der Hochfrequenztechnik und Photonik auf der Grundlage der von-Neumann-Gleichung (Förderung durch die DFG ab 01.11.2017)
  • Abgeschlossene Drittmittelprojekte (Auswahl)
    • Erasmus Mundus: Leaders (Förderzeitraum 2014-2018)
    • Erasmus Mundus: Intact (Förderzeitraum 2013-2017)
    • Erasmus Mundus: StrongTies (Förderzeitraum 2011-2015)
    • Analyse und Modellierung von InP-basierten Wellenleiter-MQW-Elektroabsorptionsmodulatoren (Förderung durch die DFG, 1996-2000)
    • Makromodellierungen und schnelle Simulationsmethoden zur Lösung der nichtlinearen Schrödingergleichung (Förderung durch die DFG, 1999-2002)
    • Analyse und Modellierung von Quantenbauelementen (Förderung durch die DFG, 1999-2005)
    • Zeitbereichsanalyse von Streifenleitungs-Zirkulatoren mit der Methode der Finiten Differenzen (Förderung durch die DFG, 1997-2002)

Publikationen

  • L. Schulz and D. Schulz, "Formulation of a phase space exponential operator for the Wigner transport equation accounting for the spatial variation of the effective mass", J. Comput Electron., https://doi.org/10.1007/s10825-020-01551-0, 2020
  • L. Schulz and D. Schulz, "Transient Mode Space based Quantum Liouville-type Equations applied onto DGFETs, International Conference on Simulation of Semiconductor Processes and Devices", Kobe, Japan, 2020.
  • L. Schulz and D. Schulz, "Complex Absorbing Potential Formalism accounting for Open Boundary Conditions within the Wigner Transport Equation", IEEE Trans. Nanotechnology, vol. 18, pp. 830-838, doi: 10.1109/TNANO.2019.2933307, 2019
  • H. Kleene and D. Schulz, "Explicit Wideband Time-Domain Beam Propagation Algorithm Based on Faber Polynomials", in IEEE Journal on Multiscale and Multiphysics Computational Techniques, vol. 4, pp. 282-289, doi: 10.1109/JMMCT.2019.2954943, 2019
  • Kleene, H., Schulz, D.; "Complex envelope Faber polynomial method for the solution of Maxwell’s equations",Opt Quant Electron 51, 381, https://doi.org/10.1007/s11082-019-2099-y, 2019
  • H. Kleene and D. Schulz, "Assessment of a Time Domain Beam Propagation Algorithm Based on Faber Polynomial Expansions ", IEEE MTT-S Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, Boston, USA, May 2019
  • L. Schulz and D. Schulz, "Subdomain Algorithm for the numerical solution of the Liouville-von-Neumann Euqation", International Workshop on Computational Nanotechnology, Chicago, USA, May 2019
  • L. Schulz and D. Schulz, "Formulation of a Complex Absorbing Potential for the transient numerical solution of the Wigner Transport Equation", International Wigner Workshop, Chicago, USA, May 2019
  • H. Kleene and D. Schulz, "Time Domain Solution of Maxwell’s Equations using Faber Polynomials ", IEEE Transactions on Antennas and Propagation, vol 66, no. 11, pp. 6202-6208, 2018
  • L. Schulz and D. Schulz, "Numerical Analysis of the transient behavior of the nonequilibrium Quantum Liouville Equation", IEEE Trans. Nanotechnology, pp. 1197 - 1205, vol. 17, no. 6, 2018
  • L. Schulz and D. Schulz, "Boundary Concepts for an Improvement of the Numerical Solution with regard to the Wigner Transport Equation"International Conference on Simulation of Semiconductor Processes and Devices, Austin, Texas, USA, Sept. 2018
  • H. Kleene and D. Schulz, "Concept of a Complex Envelope Faber Polynomial Approach for the Solution of Maxwell’s Equations ", IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization, Reykjavik, Island, Aug. 2018
  • H. Kleene and D. Schulz, "On the Evaluation of Sources in Highly Accurate Time Domain Simulations on the Basis of Faber Polynomials", Progress in Electromagnetics Research 2018, Toyama, Japan, July 2018
  • H. Kleene, D. Schulz, "An Assessment of Faber Polynomial Expansions for the Time Domain Solution of Maxwell’s equations", 26th International workshop on optical wave and waveguide theory and numerical modelling OWTNM, 2018, Bad Sassendorf, Germany
  • C. Spenner, H. Kleene, P. Sarapukdee, K. Kallis, D. Schulz, "Analysis of SiO2- and MgF2-Based Surface Plasmon Resonance Sensors", 26th International workshop on optical wave and waveguide theory and numerical modelling OWTNM, 2018, Bad Sassendorf, Germany
  • H. Kleene, D. Schulz, "Efficient Electromagnetic Time Domain Simulation on the Basis of Faber Polynomial Expansions", 11th Annual Meeting Photonic Devices, February 2018, Berlin, Germany
  • H. Kleene, D. Schulz, "Unitary Polynomial Propagator Solving Maxwell’s Equations Allowing Arbitrarily Large Time Steps", IEEE Photonics Technology Letters, vol. 30, no. 2, pp. 193-196, January 2018
  • K. S. Khalid, L. Schulz, D. Schulz, "Self-Energy Concept for the Numerical Solution of the Liouville-von Neumann Equation", IEEE Trans. Nanotechnology, August 31st, 2017
  • D. Schulz, K. S. Khalid, L. Schulz, "Self-Energy Approach for Solving the Wigner-Transport Equation", 2nd International Wigner Workshop, June 5, 2017, Windermere, UK
  • H. Kleene, D. Schulz, "Investigation of a Unitary Explicit Algorithm for Electromagnetic Time Domain Simulations", 25th International workshop on optical wave and waveguide theory and numerical modelling, 2017, Eindhoven, Netherlands.
  • H. Kleene, D. Schulz, "Electromagnetic time domain simulation of photonic devices: Concept to enable larger time steps for explicit methods", Matheon workshop on photonic devices, February 2017, Berlin, Germany.
  • H. Kleene, D. Schulz, "An Assessment of Polynomial Approximations for the Time-Domain Beam Propagator", 24th International workshop on optical wave and waveguide theory and numerical modelling,O-31, 2016, Warsaw, Poland.
  • L. Schulz, D. Schulz, "Application of a slowly varying Envelope Function onto the Analysis of the Wigner Transport Equation, 2016", IEEE Trans. Nanotechnology, vol. 15, no. 5, 2016
  • H. Kleene, D. Schulz, "Assessment of Chebychev Expansions for the Approximation of the Time Domain Propagator", in Advanced Photonics for Communications, OSA Technical Digest (online), Optical Society of America, paper JTu4A.11, 2016.
  • L. Schulz, L. Haupt, D. Schulz, "Modal Analysis in the Krylov Domain utilizing a Subdomain Propagation Method", in Advanced Photonics for Communications, OSA Technical Digest (online), Optical Society of America, paper JTu4A.12, 2016.
  • D. Schulz, A. Mahmood, "Approximation of a Phase Space Operator for the Numerical Solution of the Wigner Equation", IEEE J. Quantum Electron., vol. 52, no. 2, 2016
  • P. Zander, D. Schulz, "Subdomain Propagation Method for an Efficient Modal Analysis of Photonic Waveguides", IEEE J. Quantum Electron., vol. 51, no. 1, 2015
  • A. Balkenohl, D. Schulz, "Fourier Expansion of the Beam propagation Operator in the Eigenvalue Domain", J. Lightwave Technol., vol. 32, no. 23, 3917-3925, 2014
  • P. Zander, D. Schulz, "Subdomain Beam Propagation Method for a Modal Analysis of Single Mode Waveguides", in Advanced Photonics for Communications, OSA Technical Digest (online), Optical Society of America, 2014, paper JT3A.36.
  • A. Balkenohl, D. Schulz, "Beam propagation method based on a Fourier series approximation of the propagation operator ", Microwave Symposium Digest (IMS), IEEE MTT-S International, 2013
  • D. Schulz, "Assessment of Time Domain Beam Propagation Methods using Padé Approximants for Optical Waveguide Analysis", Compumag, Sydney, July 2011
  • D. Schulz, "Efficient Interface Conditions for Finite Difference Time Domain Methods", Compumag, Florianopolis, November 2009
  • R. Stonies, D. Schulz, "Time Domain Analysis of Lumped Element Circulators", Compumag, Florianopolis, November 2009
  • R. Stonies, D. Schulz, "Numerical design strategy for lumped element circulators", AEU - International Journal of Electronics and Communications, vol. 61, no. 3, pp. 177-181, March 2007
  • R. Stonies, D. Teufer, D. Schulz, "Time Domain Analysis and Design of Lumped Element Circulators", MTT-Symposium, San Francisco, Juni 2006
  • J. Lenge, D. Schulz, "Three-dimensional FDTD modeling and analysis of microwave circulators", AEU-International Journal of Electronics and Communications, Germany, vol 57 (2003), no 1, p 1-8
  • M. Wiedenhaus, A. Ahland, D. Schulz, E. Voges, "Nonlinear Algorithms for the Quantum Mechanical Simulation of Electroabsorption", 11th European Conference on Integrated Optics, pp. 229-232, ECIO 2003, Prague
  • M. Wiedenhaus, A. Ahland, D. Schulz, E. Voges and B. Stegmüller, "Strategies for the Modeling of MQW-Electroabsorption Modulators (Invited Talk)", 2nd Int. Conf. on Numerical Simulation of Semiconductor Optoelectronic Devices, pp. 16-17, Zürich, 2002
  • M. Wiedenhaus, J.L. Tinoco, D. Schulz and E. Voges, "Quantum Mechanical Modelling of Electron Transport", 13th Workshop on Physical Simulation of Semiconductor Devices, Ilkley (Yorkshire), 2002
  • M. Plura, T. Balslink, J. Kissing, D. Schulz, E. Voges, "Schneller Netzentwurf durch Anwendung der Kollokations-Methode zur Beschreibung der Signalausbreitung in optischen Fasern", ITG-Fachtagung "Photonische Netze", Leipzig, 2002.
  • M. Wiedenhaus, A. Ahland, D. Schulz and E. Voges, "Modelling and Simulation of Electroabsorption Modulators", (Invited Paper), Spec. Issue on Simulation of Semiconductor Optoelectronic Devices, IEE Proceedings - Optoelectronics, vol. 149, no. 4, 2002, p. 122-130
  • M. Plura, J. Kissing, J. Lenge, D. Schulz, E. Voges, "Analysis of an improved Split-Step algorithm for simulating optical transmission systems", Int. J. Electron. Commun. (AEÜ), Vol. 56, Nr. 6, Seiten 361-366, 2002
  • M. Plura, T. Balslink, J. Kissing, D. Schulz, E. Voges, "Analysis of the collocation method for simulating the propagation of optical pulse sequences", Int. J. Electron. Commun. (AEÜ), Vol. 56, Nr. 6, Seiten 373-379, 2002
  • M. Wiedenhaus, A. Ahland, D. Schulz, E. Voges, "Dynamical Simulation of Quantum Well Structures", IEEE J. Quantum Electronics, vol. 37, no. 5, 2001, p. 684-690
  • J. Lenge, R. Stonies, D. Schulz, E. Voges, "Temperature characteristics of HQT microwave circulators", 31st European Microwave Conference 2001, London
  • M. Plura, J. Kissing, M. Gunkel, J. Lenge, J.-P. Elbers, C. Glingener, D. Schulz, E. Voges, "Improved split-step method for efficient fibre simulations", IEE Electron. Lett., Vol. 37, Nr. 5, Seiten 286-287, 2001.
  • M.Wiedenhaus, A.Ahland, D.Schulz and E.Voges, "Dynamics of Electroabsorption Modulators", 10th European Conference on Integrated Optics, ECIO 2001, Paderborn, p. 94-97
  • M.Wiedenhaus, A.Ahland and D.Schulz, "Simulation of Saturation Effects in Electroabsorption Modulators", AEÜ Int. J. Electron. Comm., vol. 55, no. 5, 2001, p. 323-327
  • A. Ahland, M. Wiedenhaus, D. Schulz, and E. Voges, "Calculation of Exciton Absorption in Arbitrary Layered Semiconductor Nanostructures with Exact Treatment of the Coulomb Singularity", IEEE J. Quantum Electron., vol. 36, no. 7, 2000, 842-848
  • A. Ahland, D. Schulz, and E. Voges, "Nonlinear effects in blue-shift waveguides EAM's", Opt. Quantum Electron., 32, 2000, 769-780
  • M. Plura, J. Kissing, J. Lenge, D. Schulz, E. Voges, "Efficient Fibre Simulation: A Novel Approach to the Split-Step Method ", Workshop W1: Modelling and Design of Optical Nerworks and Systems, 26th European Conference on Optical Communication, ECOC 2000, München, Germany, 2000
  • M. Wiedenhaus, A. Ahland, D. Schulz, E. Voges, "Exciton Absorption in Semiconductor Nanostructures with Exact Treatment of the Coulomb Singularity", Quantum Electronics and Laser Science Conference (QELS 2001), 2000
  • A. Ahland, D. Schulz, and E. Voges, "Accurate mesh truncation for Schrodinger equations by a perfectly matched layer absorber: Application to the calculation of optical spectra", Physical Review B 60, no. 8, 1999, R5109-5112
  • D. Schulz, C.Glingener, M. Bludszuweit, and E.Voges, "Mixed finite element beam propagation method", IEEE J. Lightwave Technol. 16, no. 7, 1998, 1336-1342
  • A. Ahland, D. Schulz, and E. Voges, "Modelling and Design of Electroabsorption Modulators on GaInAsP", Int. J. Electron. Commun. 52, no. 5, 1998, 323-328
  • A. Ahland, D. Schulz, and E. Voges, "Efficient modelling of the Optical Properties of MQW Modulators on InGaAsP with Absorption Edge Merging", IEEE Journal of Quantum Electronics 34, no. 9, 1998, 1597-1603
  • D. Schulz, C. Glingener, M. Bludszuweit, and E. Voges, "Vectorial beam propagation method based on mixed elements", Topical Meeting on Integrated Photonics Research, Victoria, Canada, Technical Digest, 1998, paper IME4, 65-67
  • A. Ahland, D. Schulz, E. Voges, "MQW waveguide electroabsorption modulators on InGaAsP with absorption edge merging", Topical Meeting on Integrated Photonics Research, Victoria, Canada, 1998, Technical Digest, paper ITuJ2, 321-323
  • J. Lenge, A. Ahland, J. Kastner, D. Schulz, "FDTD Analysis of Microwave Circulators involving saturated magnetized Ferrites ", IEEE MTT-S International Microwave Symposium Digest, 2, Baltimore, 1998, 633-636
  • J. Lenge, G. Steinwachs, I. Gieseke, D. Schulz, "FDTD Modeling and Analysis of Microstrip Circulators", 28th European Microwave Conference Proceedings (EuMC 1998), 2, Amsterdam, 1998, 289-294
  • J. Lenge, D. Schulz, "FDTD-Analyse und Modellierung von Mikrowellenzirkulatoren in Streifenleitungstechnik", Kleinheubacher Berichte 42, Kleinheubach, 1998, 201-205
  • D. Schulz, A. Ahland, and E. Voges, "Time Domain Analysis and Modeling of Microstrip Circulators", Proceedings of the PIERS '97, Hongkong, 1997, 609
  • D. Schulz, C.Glingener, M. Bludszuweit, and E.Voges, "Mixed finite element beam propagation method", 8th European Conference on Integrated Optics, ECIO'97, Stockholm, 1997, Proceedings, 226-229
  • Rajarajan, P.A. Buah, T. Wongcharoen, B.M.A. Rahman, K.T.V. Grattan, D. Schulz, C. Glingener, P. Kopka, "Modelling of multimode interference based power dividers using different numerical approaches", Proceedings of the Applied Optics Division Conference of the IOP, Reading, UK, 1996 , 429-431
  • C. Glingener, D. Schulz, and E. Voges, "Modelling of Optical Waveguide Modulators on III-V Semiconductors", IEEE J. Quantum Electron. 31, no. 1, 1995, 101-112
  • D. Schulz, M. Pohl, and E. Voges, "Time Domain analysis of nonlinear optical waveguides", Topical Meeting on Integrated Photonics Research, Dana Point, USA, 1995, Technical Digest, paper IThF3
  • D. Schulz, M. L. Rossmann, and E. Voges, "Analysis of Waveguide Grating Devices", Topical Meeting on Integrated Photonics Research, Dana Point, USA, 1995, Technical Digest, paper IFD2
  • D. Schulz, M. Pohl, and E. Voges, "Analysis of Nonlinear Waveguides in the Time Domain", 7th European Conference on Integrated Optics, ECIO'95, Delft, Netherlands, 1995, 367-370
  • D. Schulz, C. Glingener, P. C. Lee, and E. Voges, "Finite difference beam propagation algorithms for the analysis of optical waveguides", 10th Conference on the Computation of Electromagnetic Fields, CompuMag'97, Berlin, 1995, Proceedings, 738-739
  • D. Schulz, M. L. Rossmann, and E. Voges, "Numerical Analysis of Waveguide Grating Devices", Proceedings of the IOOC '1995, Hongkong, 1995
  • D. Schulz, C. Glingener, and E. Voges, "Novel Generalized Finite Difference Beam Propagation Method", IEEE J. Quantum Electron.QE 23, 1994, 1132-1140
  • D. Schulz, P. C. Lee, and E. Voges, "Finite Difference Beam Propagation Algorithms", Topical Meeting on Integrated Photonics Research, San Francisco, USA, 1994, Technical Digest, paper ThF5
  • D. Schulz, W. Nöker, and E. Voges, "Novel Propagation Algorithm for the Analysis of Optical Waveguides in the Time Domain", Topical Meeting on Integrated Photonics Research, San Francisco, USA, 1994, Technical Digest, paper ThF6
  • D. Schulz and E. Voges, "Novel Generalized Finite Difference Beam Propagation Algorithm", Proceedings of the 6th European Conference on Integrated Optics, ECIO'93, Neuchatel, Switzerland, 1993, 13-4/13-5
  • D. Schulz, C. Glingener, W. Nöker, and E. Voges, "Beam Propagation Algorithms for the Analysis of Optical Waveguides in the Frequency and Time Domain", Proceedings of the 19th European Conference on Optical Communication, ECOC'93, Montreux, Switzerland, 2, 1993, 445-448
  • P.C. Lee, D. Schulz, and E. Voges, "Novel Finite Difference Beam Propagation Algorithms for Photonic Devices", Proceedings of the 18th Conference on Optical Communication ECOC'92, Berlin 1992, 1, 569-572
  • P.C. Lee, D. Schulz, and E. Voges, "Three-Dimensional Finite-Difference Beam Propagation Algorithms for Photonic Devices", IEEE J. Lightwave Technology 10, 1992, 1832-1838
  • N. Thorweihe and D. Schulz, "A BPM type algorithm solving the vector wave equation", Topical Meeting on Integrated Photonics Research (IPR), Monterey, USA, 1991, Technical Digest, paper ThB4