http://euclid.ucc.ie/pages/staff/Sebastian/cv.html
Biography
Sebastian M. Wieczorek received his MSc degree in Theoretical Physics from Adam Mickiewicz University in Poznan, Poland, in 1998, and his PhD degree in Mathematical Physics from the Vrije Universiteit Amsterdam, The Netherlands, in 2002. Following his PhD, he worked as a Researcher at Sandia National Laboratories in Albuquerque, New Mexico, USA, for the Department of Energy and the Lockheed Martin Corporation. He was then appointed Lecturer in Mathematics at the University of Exeter, UK, in June 2006, promoted to Senior Lecturer in May 2010, and to Associate Professor in February 2014. In August 2014, Sebastian took the position of Professor (Chair) of Applied Mathematics and Head of Applied Mathematics at University College Cork.
http://euclid.ucc.ie/pages/staff/Sebastian/cv.html
Research Interests
Professor Sebastian Wieczorek specialises in Applied Nonlinear Dynamics and Bifurcation Theory or, in other words, in mathematical theory of instability. He develops mathematical concepts and techniques for physical problems including:- Nonlinear dynamics of semiconductor laser systems.
- Tipping Points (Critical Transitions) in the climate and ecosystems.
- Instabilities in the brain (e.g. seizure dynamics).
- Stability of healthcare systems.
- Nonlinear dynamics of evolutionary games.
Research Grants
Project | Funding Body | Start Date | End Date | Award | |
---|---|---|---|---|---|
Evolutionary games and population dynamics: from theory to applications | Horizon 2020 | 01-MAR-21 | 01-MAR-25 | €241,884.33 | |
Stability of the Irish Health System | Enterprise Irl | 01-JUN-19 | 31-DEC-21 | €254,357.00 | |
Laya Healthcare | Enterprise Irl | 01-JUN-19 | 01-OCT-21 | €60,494.00 | |
Critical Transitions in Complex Systems | Horizon 2020 | 01-APR-15 | 31-MAR-19 | €247,873.00 | |
SEFS Start up Fund | Miscellaneous | 01-JUL-14 | 30-SEP-21 | €82,810.00 |
Publications
Book Chapters
Year | Publication | |
---|---|---|
(2012) | 'Noise synchronisation and stochastic bifurcations in lasers' S. Wieczorek (2012) 'Noise synchronisation and stochastic bifurcations in lasers' In: Dr. Kathy Lüdge (eds). Nonlinear Laser Dynamics: From Quantum Dots to Cryptography. Weinheim: Willey. [DOI] [Details] | |
(2007) | 'Global Bifurcation Analysis in Laser Systems' S. Wieczorek (2007) 'Global Bifurcation Analysis in Laser Systems' In: Dr. Bernd Krauskopf, Dr. Hinke M. Osinga, Dr. Jorge Galán-Vioque (eds). Numerical Continuation Methods for Dynamical Systems. Bristol: Springer. [DOI] [Details] |
Peer Reviewed Journals
Year | Publication | |
---|---|---|
(2020) | 'Tipping phenomena and points of no return in ecosystems: beyond classical bifurcations' P. E. O'Keefe and S. Wieczorek (2020) 'Tipping phenomena and points of no return in ecosystems: beyond classical bifurcations'. Siam Journal On Applied Dynamical Systems, [Details] | |
(2019) | 'When very slow is too fast-collapse of a predator-prey system' Anna Vanselow, Sebastian Wieczorek, Ulrike Feudel (2019) 'When very slow is too fast-collapse of a predator-prey system'. Journal of Theoretical Biology, 479 :64-72 [DOI] [Details] | |
(2018) | 'Synchronisation vs. resonance: Isolated resonances in damped nonlinear oscillators' Marchionne, Arianna; Ditlevsen, Peter; Wieczorek, Sebastian (2018) 'Synchronisation vs. resonance: Isolated resonances in damped nonlinear oscillators'. Physica D: Nonlinear Phenomena, [DOI] [Full Text] [Details] | |
(2017) | 'Parameter shifts for nonautonomous systems in low dimension: bifurcation- and rate-induced tipping' P. Ashwin, C. Perryman and S. Wieczorek (2017) 'Parameter shifts for nonautonomous systems in low dimension: bifurcation- and rate-induced tipping'. Nonlinearity, 30 [DOI] [Details] | |
(2014) | 'Mode structure of a semiconductor laser with feedback from two external filters' P. Slowinnski, B. Krauskopf and S. Wieczorek, (2014) 'Mode structure of a semiconductor laser with feedback from two external filters'. Discrete and Continuous Dynamical Systems-Series B, [Details] | |
(2014) | 'From synchronisation to persistent optical turbulence in laser arrays' N. Blackbeard, S. Wieczorek, H. Erzgraber, P.S. Dutta (2014) 'From synchronisation to persistent optical turbulence in laser arrays'. Physica D, 286-287 :43-58 [DOI] [Details] | |
(2014) | 'Adapting to a changing environment: non-obvious thresholds in multi-scale systems' Perryman, Clare,Wieczorek, Sebastian (2014) 'Adapting to a changing environment: non-obvious thresholds in multi-scale systems'. Proceedings Of The Royal Society A-Mathematical Physical And Engineering Sciences, 470 (21702170):40226-40226 [DOI] [Details] | |
(2013) | 'Is the astronomical forcing a reliable and unique pacemaker for climate? A conceptual model study' De Saedeleer, Bernard,Crucifix, Michel,Wieczorek, Sebastian (2013) 'Is the astronomical forcing a reliable and unique pacemaker for climate? A conceptual model study'. Climate Dynamicsclimate Dynamics, 40 (1-21-2):273-294 [DOI] [Details] | |
(2012) | 'Tipping points in open systems: bifurcation, noise-induced and rate-dependent examples in the climate system' Ashwin, Peter,Wieczorek, Sebastian,Vitolo, Renato,Cox, Peter (2012) 'Tipping points in open systems: bifurcation, noise-induced and rate-dependent examples in the climate system'. Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences, 370 (19621962):1166-1184 [DOI] [Details] | |
(2011) | 'Shear-Induced Bifurcations and Chaos in Models of Three Coupled Lasers' Blackbeard, Nicholas,Erzgraeber, Hartmut,Wieczorek, Sebastian (2011) 'Shear-Induced Bifurcations and Chaos in Models of Three Coupled Lasers'. Siam Journal On Applied Dynamical Systemssiam Journal On Applied Dynamical Systems, 10 (22):469-509 [DOI] [Details] | |
(2011) | 'Excitability in ramped systems: the compost-bomb instability' Wieczorek, S.,Ashwin, P.,Luke, C. M.,Cox, P. M. (2011) 'Excitability in ramped systems: the compost-bomb instability'. Proceedings Of The Royal Society A-Mathematical Physical And Engineering Sciences, 467 (21292129):1243-1269 [DOI] [Details] | |
(2010) | 'Intrinsic gain switching in optically injected quantum dot laser lasing simultaneously from the ground and excited state' Olejniczak, Lukasz,Panajotov, Krassimir,Wieczorek, Sebastian,Thienpont, Hugo,Sciamanna, Marc (2010) 'Intrinsic gain switching in optically injected quantum dot laser lasing simultaneously from the ground and excited state'. Journal of The Optical Society of America B-Optical Physics, 27 (1111):2416-2423 [DOI] [Details] | |
(2010) | 'Dynamics of two semiconductor lasers coupled by a passive resonator' Erzgraber, H.,Wieczorek, S.,Krauskopf, B. (2010) 'Dynamics of two semiconductor lasers coupled by a passive resonator'. Physical Review E, 81 (55) [DOI] [Details] | |
(2009) | 'Using chaos for remote sensing of laser radiation' Chow, Weng W.,Wieczorek, Sebastian (2009) 'Using chaos for remote sensing of laser radiation'. Optics Express, 17 (99):7491-7504 [DOI] [Details] | |
(2009) | 'Stochastic bifurcation in noise-driven lasers and Hopf oscillators' Wieczorek, Sebastian (2009) 'Stochastic bifurcation in noise-driven lasers and Hopf oscillators'. Physical Review E, 79 (33) [Details] | |
(2009) | 'Bifurcations and chaos in a semiconductor laser with coherent or noisy optical injection' Wieczorek, Sebastian,Chow, Weng W. (2009) 'Bifurcations and chaos in a semiconductor laser with coherent or noisy optical injection'. Optics Communications, 282 (1212):2367-2379 [DOI] [Details] | |
(2009) | 'Locking behavior of three coupled laser oscillators' Erzgraber, H.,Wieczorek, S.,Krauskopf, B. (2009) 'Locking behavior of three coupled laser oscillators'. Physical Review E, 80 (22) [DOI] [Details] | |
(2008) | 'Dynamics of two laterally coupled semiconductor lasers: Strong- and weak-coupling theory' Erzgraber, H.,Wieczorek, S.,Krauskopf, B. (2008) 'Dynamics of two laterally coupled semiconductor lasers: Strong- and weak-coupling theory'. Physical Review E, 78 (66) [Details] | |
(2007) | '40 GHz bandwidth and 64 GHz resonance frequency in injection-locked 1.55 mu m VCSELs' Chrostowski, Lukas,Faraji, Behnam,Hofmann, Werner,Amann, Markus-Christian,Wieczorek, Sebastian (2007) '40 GHz bandwidth and 64 GHz resonance frequency in injection-locked 1.55 mu m VCSELs'. IEEE Journal of Selected Topics In Quantum Electronics, 13 (55):1200-1208 [DOI] [Details] | |
(2006) | 'Improved semiconductor-laser dynamics from induced population pulsation' Wieczorek, Sebastian,Chow, Weng W.,Chrostowski, Lukas,Chang-Hasnain, Connie J. (2006) 'Improved semiconductor-laser dynamics from induced population pulsation'. IEEE Journal of Quantum Electronics, 42 (5-65-6):552-562 [Details] | |
(2006) | 'Self-induced chaos in a single-mode inversionless laser' Wieczorek, Sebastian,Chow, Weng W. (2006) 'Self-induced chaos in a single-mode inversionless laser'. Physical Review Letters, 97 (1111) [Details] | |
(2005) | 'Global view of nonlinear dynamics in coupled-cavity lasers - a bifurcation study' Wieczorek, S.,Chow, W. W. (2005) 'Global view of nonlinear dynamics in coupled-cavity lasers - a bifurcation study'. Optics Communications, 246 (4-64-6):471-493 [DOI] [Details] | |
(2005) | 'The dynamical complexity of optically injected semiconductor lasers' Wieczorek, S.,Krauskopf, B.,Simpson, T. B.,Lenstra, D. (2005) 'The dynamical complexity of optically injected semiconductor lasers'. Physics Reports-Review Section Of Physics Letters, 416 (1-21-2):1-128 [DOI] [Details] | |
(2005) | 'Bifurcations of n-homoclinic orbits in optically injected lasers' Wieczorek, S.,Krauskopf, B. (2005) 'Bifurcations of n-homoclinic orbits in optically injected lasers'. Nonlinearitynonlinearity, 18 (33):1095-1120 [DOI] [Details] | |
(2004) | 'Spontaneously excited pulses in an optically driven semiconductor laser' Wieczorek, S.,Lenstra, D. (2004) 'Spontaneously excited pulses in an optically driven semiconductor laser'. Physical Review E, 69 (11) [DOI] [Details] | |
(2004) | 'Bifurcations and interacting modes in coupled lasers: A strong-coupling theory' Wieczorek, S.,Chow, W. W. (2004) 'Bifurcations and interacting modes in coupled lasers: A strong-coupling theory'. Physical Review A, 69 (33) [DOI] [Details] | |
(2004) | 'Analysis of optical emission from high-aluminum AlGaN quantum-well structures' Wieczorek, S.,Chow, W. W.,Lee, S. R.,Fischer, A. J.,Allerman, A. A.,Crawford, M. H. (2004) 'Analysis of optical emission from high-aluminum AlGaN quantum-well structures'. Applied Physics Letters, 84 (2424):4899-4901 [DOI] [Details] | |
(2004) | 'Chaos in practically isolated microcavity lasers' Wieczorek, S.,Chow, W. W. (2004) 'Chaos in practically isolated microcavity lasers'. Physical Review Letters, 92 (2121) [Details] | |
(2003) | 'Excitability and self-pulsations near homoclinic bifurcations in semiconductor laser systems' B. Krauskopf, K. Schneider, J. Sieber, S. Wieczorek, and M. Wolfrum (2003) 'Excitability and self-pulsations near homoclinic bifurcations in semiconductor laser systems'. Optics Communications, 4-6 (215):367-379 [DOI] [Details] | |
(2003) | 'Bifurcation transitions in an optically injected diode laser: theory and experiment' Wieczorek, S.,Simpson, T. B.,Krauskopf, B.,Lenstra, D. (2003) 'Bifurcation transitions in an optically injected diode laser: theory and experiment'. Optics Communications, 215 (1-31-3):125-134 [DOI] [Details] | |
(2002) | 'Multipulse excitability in a semiconductor laser with optical injection' Wieczorek, S.,Krauskopf, B.,Lenstra, D. (2002) 'Multipulse excitability in a semiconductor laser with optical injection'. Physical Review Letters, 88 (66) [DOI] [Details] | |
(2002) | 'Accumulating regions of winding periodic orbits in optically driven lasers' Krauskopf, B.,Wieczorek, S. (2002) 'Accumulating regions of winding periodic orbits in optically driven lasers'. Physica D, 173 (1-21-2):97-113 [DOI] [Details] | |
(2002) | 'Global quantitative predictions of complex laser dynamics' Wieczorek, S.,Simpson, T. B.,Krauskopf, B.,Lenstra, D. (2002) 'Global quantitative predictions of complex laser dynamics'. Physical Review E, 65 (44) [DOI] [Details] | |
(2001) | 'Sudden chaotic transitions in an optically injected semiconductor laser' Wieczorek, S.,Krauskopf, B.,Lenstra, D. (2001) 'Sudden chaotic transitions in an optically injected semiconductor laser'. Optics Letters, 26 (1111):816-818 [DOI] [Details] | |
(2001) | 'Unnested islands of period doublings in an injected semiconductor laser' Wieczorek, S.,Krauskopf, B.,Lenstra, D. (2001) 'Unnested islands of period doublings in an injected semiconductor laser'. Physical Review E, 64 (55) [DOI] [Details] | |
(2000) | 'Different types of chaos in an optically injected semiconductor laser' Krauskopf, B.,Wieczorek, S.,Lenstra, D. (2000) 'Different types of chaos in an optically injected semiconductor laser'. Applied Physics Letters, 77 (1111):1611-1613 [DOI] [Details] | |
(2000) | 'Mechanisms for multistability in a semiconductor laser with optical injection' Wieczorek, S.,Krauskopf, B.,Lenstra, D. (2000) 'Mechanisms for multistability in a semiconductor laser with optical injection'. Optics Communications, 183 (1-41-4):215-226 [DOI] [Details] | |
(1999) | 'A unifying view of bifurcations in a semiconductor laser subject to optical injection' Wieczorek, S.,Krauskopf, B.,Lenstra, D. (1999) 'A unifying view of bifurcations in a semiconductor laser subject to optical injection'. Optics Communications, 172 (1-61-6):279-295 [DOI] [Details] | |
(1998) | 'Interference stabilization of Rydberg atoms enhanced by multiple V-type resonances' Parzynski, R.,Wieczorek, S. (1998) 'Interference stabilization of Rydberg atoms enhanced by multiple V-type resonances'. Physical Review A, 58 (44):3051-3057 [DOI] [Details] |
Conference Publications
Year | Publication | |
---|---|---|
(2009) | SPIE Photonics West 2009: Physics and Simulation of Optoelectronic Devices XVII S. Wieczorek, B. Krauskopf and D. Lenstra (2009) Sensitivity of semiconductor lasers to coherent and noisy optical injection: towards instability-based laser sensors SPIE Photonics West 2009: Physics and Simulation of Optoelectronic Devices XVII [DOI] [Details] | |
(2008) | SPIE Photonics Europe 2008: Semiconductor Lasers and Laser Dynamics III P. Slowiński ; B. Krauskopf ; S. Wieczorek (2008) Mode structure of a semiconductor laser with feedback from two external filters SPIE Photonics Europe 2008: Semiconductor Lasers and Laser Dynamics III [DOI] [Details] | |
(2008) | SPIE Photonics Europe 2008: Semiconductor Lasers and Laser Dynamics III Hartmut Erzgräber ; Sebastian Wieczorek ; Bernd Krauskopf (2008) Bifurcations of composite-cavity modes in multi-stripe laser arrays SPIE Photonics Europe 2008: Semiconductor Lasers and Laser Dynamics III [DOI] [Details] | |
(2004) | SPIE Photonics Europe 2004: Semiconductor Lasers and Laser Dynamics I Sebastian M. Wieczorek ; Weng W. Chow (2004) Dynamics of multimode coupled lasers SPIE Photonics Europe 2004: Semiconductor Lasers and Laser Dynamics I [DOI] [Details] | |
(2004) | Fluctuations and Noise in Photonics and Quantum Optics II Daan Lenstra ; Gautam Vemuri ; Sebastian M. Wieczorek ; Mirvais Yousefi (2004) The influence of noise on the dynamics of semiconductor lasers Fluctuations and Noise in Photonics and Quantum Optics II [DOI] [Details] | |
(2003) | SPIE Photonics West 2003: Physics and Simulation of Optoelectronic Devices XI Bernd Krauskopf, Sebastian Wieczorek, and Daan Lenstra, (2003) Multipulse excitability in injected lasers SPIE Photonics West 2003: Physics and Simulation of Optoelectronic Devices XI [DOI] [Details] | |
(2002) | SPIE Photonics West 2002: Physics and Simulation of Optoelectronic Devices X Sebastian Wieczorek, Thomas B. Simpson, Bernd Krauskopf, and Daan Lenstra, (2002) Complex dynamics of an optically injected semiconductor laser: bifurcation theory and experiment SPIE Photonics West 2002: Physics and Simulation of Optoelectronic Devices X [DOI] [Details] | |
(2000) | SPIE Photonics West 2000: Physics and Simulation of Optoelectronic Devices VIII Sebastian Wieczorek, Bernd Krauskopf, and Daan Lenstra, (2000) Global view of complicated dynamics in optically injected semiconductor lasers SPIE Photonics West 2000: Physics and Simulation of Optoelectronic Devices VIII [DOI] [Details] | |
(2000) | IEEE LEOS Annual Meeting 2000 Sebastian Wieczorek, Bernd Krauskopf, and Daan Lenstra, (2000) Bifurcations of chaotic attractors in a semiconductor laser subject to optical injection IEEE LEOS Annual Meeting 2000 [DOI] [Details] | |
(2003) | AIP Conference T. B. Simpson, S. Wieczorek, B. Krauskopf and D. Lenstra (2003) Mapping the Complex Dynamics of a Semiconductor Laser Subject to Optical Injection AIP Conference [DOI] [Details] | |
(2000) | SPIE Photonics West 2000: Physics and Simulation of Optoelectronic Devices VIII Bernd Krauskopf, Sebastian Wieczorek, and Daan Lenstra, (2000) Routes to chaos in an optically injected semiconductor laser SPIE Photonics West 2000: Physics and Simulation of Optoelectronic Devices VIII , pp.612-619 [DOI] [Details] | |
(2000) | CLEO Europe 2000 S. Wieczorek, B. Krauskopf and D. Lenstra (2000) Multistability in optically injected semiconductor lasers CLEO Europe 2000 [DOI] [Details] |
Professional Activities
Honours and Awards
Year | Title | Awarding Body | |
---|---|---|---|
2014 | Mathematics and Computer Science Best Supervisor Award | University of Exeter | |
2002 | The 2002 IEEE LEOS (Lasers and Electro-Optics Society) Graduate Student Award | IEEE Lasers and Electro-Optics Society | |
1998 | The Adam Mickiewicz University Medal | Rektor of Adam Mickiewicz University | |
1997 | Scholarship from the Polish Ministry of Education for distinguished students | Polish Ministry of Education |
Professional Associations
Association | Function | From / To | |
---|---|---|---|
SIAM (Society for Industrial and Applied Mathematics) | Member | 01-OCT-13 / |
Committees
Committee | Function | From / To | |
---|---|---|---|
Scientific Advisory Board of Dynamics Days Europe Conference | Member | 2015 / | |
Program Committee of the SIAM Annual Meeting | Member | 2013 / | |
CliMathNet - UK Mathematics in Climate Network | Management Committee Member | 2013 / | |
Program Committee of the biannual SPIE Laser Dynamics Conference and Photonics Europe Symposium | Member | 2008 / |
Journal Activities
Journal | Role | To / From | |
---|---|---|---|
Discrete And Continuous Dynamical Systems-Series B | Member of Editorial Board | 01-JAN-14 - | |
Communications In Nonlinear Science And Numerical Simulation | Guest Editor | 01-OCT-14 - |
Teaching Activities
Recent Postgraduates
Graduation Year | Student Name | Institution | Degree Type | Thesis Title | |
---|---|---|---|---|---|
2014 | Clare Perryman | University of Exeter | PhD | Rate-Induced Bifurcations | |
2011 | Nicholas Blackbeard | University of Exeter | PhD | A Journey Through the Dynamical World of Coupled Laser Oscillators. | |
2011 | Piotr Slowinski | University of Bristol | PhD | Bifurcation Analysis of a Semiconductor Laser with two Filtered Optical Feedback Loops | |
2011 | Victoria Crockett | University of Exeter | PhD | Orbit Space Reduction for Symmetric Dynamical Systems with an Application to Laser Dynamics" |
Research Information
External Collaborators
Name | Organisation / Institute | Country | |
---|---|---|---|
Chris K.R.T. Jones | University of North Carolina at Chapel Hill | U.S.A. | |
Peter Ashwin | University of Exeter | UNITED KINGDOM | |
Peter Cox | University of Exeter | UNITED KINGDOM | |
Peter Ditlevsen | Niels Bohr Institute Copenhagen | DENMARK | |
Johan Dubbeldam | Technical University Delft | HOLLAND | |
Bernd Krauskopf | University of Auckland | NEW ZEALAND | |
Hinke Osinga | University of Auckland | NEW ZEALAND | |
Michel Crucifix | Université Catholique de Louvain | BELGIUM | |
Weng W. Chow | Sandia National Laboratories | U.S.A. |