organisation of conferences▲
-  Panel member, sub-committee for the topic area "Topological states of light",  CLEO/Europe and EQEC 2023, 26 - 29 June 2023, Munich, Germany
 -  International scientific committee, QUANTUM 2022, 21 - 23 June 2022, Barcelona, Spain
 - 
Wilhelm and Else Heraeus Seminar "Modern Developments in Quantum Chaos" in memory of Fritz Haake,
   20 - 24 September 2021, Bad Honnef, Germany.
 -  Panel member, sub-committee for the topic area "Topological states of light",  CLEO/Europe and EQEC 2021, 20 - 24 June 2021, Munich, Germany
 - Panel member, sub-committee for the topic area "Topological states of light", CLEO/Europe
and EQEC 2019, 23 - 27 June 2019, Munich, Germany
 
- "Synthetic non-hermitian photonic structures: Recent results and future challenges",
13 - 16 August 2018, MPIPKS Dresden, Germany
 
- 
"Beam shifts: Analogies between light and matter waves",
28 March - 1 April 2011, Lorentz Center, Leiden, Netherlands
 
-  Minisymposium on "Open quantum systems", Dynamic Days Europe, 8 September 2010, Bristol, UK
 
- 
"NANOELECTRONICS 2006:
Novel Nanomaterials, Quantum Transport, and Noise of Electrons and Photons",
8 - 11 January  2006, Lancaster University, UK
 
- 
"School on Counting Statistics",
7 & 8 January  2006, Lancaster University, UK
 
- 
"Minerva Meeting of Young Researchers on Semiclassics, Quantum Chaos,
and Mesoscopics",
29 January - 2 February 2003, MPIPKS Dresden, Germany
 
- 
Organization of the "Quantum chaotic scattering" panel,
Conference on Anderson localization, quantum chaos and random matrices, September 24-28 2001, ICTP Trieste
 
session chairman at international conferences▲
-  Workshop "Perspectives in Non-Hermitian Systems", 3 September 2025, Donostia/San Sebastián, Spain
 -  Conference "Complex Photonic Systems with Broken Symmetries", 24 June 2025, MPIPKS Dresden, Germany
 -  Conference "836. WE-Heraeus-Seminar: Non Hermitian and Topological Photonics", 18 June 2025, Bad Honnef, Germany
 -  Conference "Measurement-Induced Quantum Dynamics of Many-Body Systems", 22 August 2023, ICTP Trieste, Italy
 -  CLEO/Europe-EQEC 2023 topical session "Photonic band topology", 30 June 2023, Munich, Germany
 -  Workshop "Probing complex quantum dynamics through out-of-time-ordered correlators", 14 October 2021, MPIPKS Dresden, Germany
 - (with Sven Gnutzmann) Memorial session  in memory of Fritz Haake, Wilhelm and Else Heraeus Seminar "Modern Developments in Quantum Chaos",
   22 September 2021, Bad Honnef, Germany.
 - International Workshop "Recent Advances in Topological Photonics", 18 June 2019, Daejeon, Republic of Korea
 -  "Central European Workshop on Quantum Optics (CEWQO)", 4 June 2019, Paderborn, Germany
 -  "Synthetic non-hermitian photonic structures: Recent results and future challenges",
16 August 2018, MPIPKS Dresden, Germany
 -  "653. WE-Heraeus-Seminar: Optical Microcavities and Their Applications (WOMA 2017)",
9 November 2017, Bad Honnef, Germany
 -  "Gaussian ensembles and their experimental realization",
17 May 2017, Nice, France
 - 
"Asymmetric Microcavity and Wave Chaos",
22 March 2017, Beijing, China
 - 
"Quantum Correlated Matter and Chaos: A workshop in Honor of the Life and Work of Richard Prange", 23 June 2015, MPIPKS Dresden, Germany
 - 
 "Symposium on Quantum Chaos, Billiards, RMT and more", 2 September 2015, CIC Cuernavaca, Mexico
 - 
"Quantum Correlated Matter and Chaos: A workshop in Honor of the Life and Work of Richard Prange",
 23 June 2015, MPIPKS Dresden, Germany
 - 
"Wave Chaos from the Micro- to the Macroscale", 23 October 2012, MPIPKS Dresden, Germany
 - 
"Non-Hermitian Operators in Quantum Physics", 29 August 2012 (poster session), Paris, France
 - 
"Quantum Physics with Non-Hermitian Operators", 16 June 2011, Dresden, Germany
 - 
"Woma 2011", 27 May 2011, Busan, South Korea
 - 
"UK-Japan graphene workshop", 3 February 2011, Lancaster, UK
 - 
"Workshop on Random Matrix Theory", 19 December 2009,  Brunel, London
 - 
International "Workshop On Microcavities and
their Applications" (WOMA), 25-28 August 2009
 - 
Dynamics Days Asia-Pacific 5 [DDAP5], 9-12 September 2008, Nara, Japan
 - 
4th Windsor Summer School "Quantum Transport and Dynamics in Nanostructures", 6 - 18 August 2007, Windsor, UK
 - 
"NANOELECTRONICS 2006: Novel Nanomaterials, Quantum Transport, and Noise of Electrons and Photons",
8 - 11 January  2006, Lancaster University, UK
 - 
"School on Counting Statistics", 7 & 8 January  2006, Lancaster University, UK
 - 
MCRTN International Workshop "Nanoscale Dynamics and Quantum Coherence",
2 - 5 October 2005, Catania, Italy
 - 
Focus meeting "Quantum chaos and its applications to mesoscopic
physics", 14 - 25 June 2004, APCTP Pohang, South-Korea
 - 
Conference "Atomic Physics 2003", 2 - 6 December 2003, MPIPKS Dresden
 - 
Conference "Electron Interference and Decoherence in Nanostructures" 4 - 8 November 2002, MPIPKS Dresden
 - 
"Quantum chaotic scattering" panel,
Conference on Anderson localization, quantum chaos and random matrices, 24 - 28 September 2001, ICTP Trieste
 - TMR Network Meeting &
School
"Phase coherent dynamics of hybrid nanostructures",
24 - 29 May 1999, Bad Herrenalb, Germany
 
lecturer at academic schools▲
-  Conference "Complex Photonic Systems with Broken Symmetries", 23 June 2025, MPIPKS Dresden, Germany
  -  Lecture on "Non-Hermitian systems: Mathematical features vs physical manifestations"
 
 -  DFG/Weizmann CRC-183 Summer School "Monitored Quantum Systems: Quantum Information Meets Many-Body Physics", 1-4 June 2023, Bad Honnef, Germany
-  Lectures on "Quantum dynamics in monitored circuits"
 
 -  Waseda University, Tokyo, Japan and Kyungpook National University, Daegu, South Korea joint lecture series, 14-16 September 2022 (remotely)
- Three lectures on  "Topology and non-Hermiticity in photonic systems"
 
 - Les Houches summer school "Stochastic processes and random matrices",
6 - 31 July  2015, Les Houches, France
- Three lectures on  "Random-matrix theory approaches to open quantum systems"
 
 - Summer School "Quantum Transport and Dynamics in
Nanostructures", 6 - 18 August 2007, Windsor, UK
- Counting statistics of electrons and photons
 
 - Marie Curie Advances Study Institute "Quantum Optics and Computation", 4 - 6 April 2006, Riomaggiore, Italy
-  Entanglement of electrons by parity-preserving scattering in Aharonov Bohm rings
 -  Resonant fluorescence in quantum dots and non-Markovian master equations
 
 - 
First Winterschool for Dresden secondary school
pupils,  4 - 6 February 2002, MPI-PKS Dresden
- 
Chaos and predictability (Feb 4)
 - 
Beyond the microchip: information technology on the nanoscale
(Feb 6)
 
 - 
Workshop on Nonlinearity: Noise in Nonlinear Systems,
14 - 25 August 1995, ICTP Trieste, Italy
three lectures on quantum chaos
- 
Universality classes of spectra
 - 
Microwave billiards
 - 
Semiclassical approximations
 
 
seminars and conference talks▲
-  Physical manifestations of non-Hermiticity and topology in photonic systems, 9 September 2025, MPL Erlangen, Germany
 -  Response and sensing with fragmented exceptional
points and exceptionally deficient systems, Workshop "Perspectives in Non-Hermitian Systems", 1 September 2025, Donostia/San Sebastián, Spain
 - Unified framework for non-Hermitian response across all spectral scenarios, Conference "Complex Photonic Systems with Broken Symmetries", 24 June 2025, MPIPKS Dresden, Germany
 - Unified framework for non-Hermitian response across all spectral scenarios, Conference "836. WE-Heraeus-Seminar: Non Hermitian and Topological Photonics", 16 June 2025, Bad Honnef, Germany
 - Physical manifestations of non-Hermiticity and topology in photonic systems, 11 December 2024, Northumbria University, UK
 - Physical manifestations of non-Hermiticity and topology in active and passive photonic systems, 31 October 2024, Imperial College London, UK
 -  Anomalous response of non-Hermitian matter, Workshop "Non-Hermitian topology, geometry and symmetry across physical platforms" 26 September 2024, Simons Center, Stony Brook, USA
 - Nonperturbative effects in the eigenvalue sensitivity of non-Hermitian systems, META 2024, 17 July 2024, Toyama, Japan,
    
    
 -   Noisy monitored quantum dynamics, 5 July 2024, Sendai, Japan
 - Nonperturbative effects in the eigenvalue sensitivity of non-Hermitian systems, 2 May 2024, Chemnitz, Germany
 - Noisy monitored quantum dynamics, 29 April 2024, Magdeburg, Germany
 - Noisy monitored quantum dynamics in multi-qubit systems, 25 April 2024, TU Berlin, Germany
 -  Physical response of non-Hermitian topological systems (theory colloquium), 24 November 2023, Cologne, Germany
 -  Active and passive non-Hermitian devices, Online seminar series "Non-Hermitian Physics", 25 October 2023, Strasbourg/Basel/Zürich/Aachen/Erlangen (remotely)
 -  Physical response of non-Hermitian topological systems, MPIPKS alumni meeting, 6 September 2023, MPIPKS Dresden, Germany
 -  Stochastic descriptions of noisy monitored quantum dynamics, Conference "Measurement-Induced Quantum Dynamics of Many-Body Systems", 21-25 August 2023, ICTP Trieste, Italy
 -  Physical response of non-Hermitian topological systems, Conference "Non-Hermitian Topology: from Classical Optics to Quantum Matter", 14-18 August 2023, MPIPKS Dresden, Germany
 -  Efficient analysis and design of edge states, META 2023, 19 July 2023, Paris, France
 -  Physical response of non-Hermitian topological systems,  3 July 2023, Tübingen University, Germany
 -  Efficient and direct design of edge and interface states, CLEO/Europe-EQEC, 30 June 2023, Munich, Germany
 -  Physical response of non-Hermitian topological systems, Conference "Topology and Physics on Mount Carmel" in honor of Joshua Zak, 15-18 May 2023, Haifa, Israel
 -  Physics of nonreciprocal non-Hermitian devices, 21 February 2023, PCS IBS Daejeon, South Korea
 -  Renormalisation approach to the analysis and design of interface states, CMT group seminar, 21 November 2022, Lancaster University, UK
 -  Response theory and causality constraints on nonreciprocal non-Hermitian devices, 6 October 2022, Tohoku University, Japan
 -  Active and passive non-Hermitian devices (colloquium), 21 September 2022, HKU, Hong Kong (remotely)
 -  Noisy monitored quantum dynamics in multi-qubit systems, 20 September 2022, Tokyo Metropolitan University, Japan
 -  Response theory and causality constraints on nonreciprocal non-Hermitian devices, 2 September 2022, NTT Basic Research Laboratories, Atsugi, Japan
 -  Noisy monitored quantum dynamics in multi-qubit systems, 1 September 2022, RIKEN, Japan
 -  Fundamental causality constraints on the non-Hermitian skin effect in passive nonreciprocal systems, Conference "META 2022",  21 July 2022, Torremolinos, Spain
 -  Causality constraints and their symmetry classification in passive devices, workshop "Non-Hermitian Quantum Mechanics 2022",
4 July 2022, Tokyo University, Japan
 -  Geometry of random states in interacting quantum systems, "Heilbronn meeting", 10 June 2022, Lancaster, UK
 -  Topological effects in photonic systems (colloquium), 23 February 2022, Cuernavaca, Mexico (remotely)
 -  Nonreciprocal response and transport theory of non-Hermitian materials, Conference "WOMA 2022", 8 February 2022,  Hong Kong (remotely)
 -  Topological lasers and condensates, Conference "QUANTUM2021", 24 November 2021, Bilbao, Spain
 -  Dynamics versus the steady state in the measurement-driven entanglement transition, Workshop "Probing complex quantum dynamics through out-of-time-ordered correlators", 15 October 2021, MPIPKS Dresden, Germany
 -  Fock space and random matrix perspective on ergodicity-breaking many-body states, Workshop "Ergodicity Breaking and Anomalous Transport in Quantum Many-Body Systems", 8 October 2021, MPIPKS Dresden, Germany
 - 
Supersymmetric signatures of topological states, Conference Meta 2021,   22 July 2021, Warsaw, Poland  (remotely)
 - 
Instability of nonreciprocal non-Hermitian media, Conference Meta 2021,  21 July 2021, Warsaw, Poland  (remotely)
 - 
RMT perspective on entanglement localization transitions,  16 July 2021, QIQT-2021, Kolkata, India (remotely)
 - 
Topological Anomalies Made Visible, MRS 2020 Fall meeting, 4 December 2020, Boston, USA (remotely)
 - 
 Instability and sensing in nonreciprocal non-Hermitian topological media,  5 November 2020, Magdeburg, Germany  (remotely)
 - 
 Instability and sensing in nonreciprocal non-Hermitian topological media, CMT group meeting, 1 October 2020, Lancaster, UK (remotely)
 - 
 Instability and sensing in nonreciprocal non-Hermitian topological media, Conference CMD2020GEFES, Mini-symposium "Modern trends in topological quantum matter",  3 September 2020, Madrid, Spain (remotely)
 
 - 
*cancelled* TBA, Rank Prize Symposium "Topological Photonics", 15-18 June 2020,
Grasmere, UK
 - *cancelled* Photonic Topological Anomalies, 5 December 2019, Hong Kong University of Science and Technology, Hong Kong
 - 
Topological lasers and condensates,
 3 June 2020, Cardiff, UK, and Bremen, Germany (remotely)
 - Random-matrix perspective on many-body localization, 27 November 2019, Leiden, Netherlands
 - Entanglement localization transitions - dynamics versus random matrix theory, "Dreiburg Meeting on Many-Body Quantum Chaos", 25 November 2019, Duisburg, Germany
 - Photonic Topological Anomalies, 10 October 2019, Cambridge, UK
 - Photonic Topological Anomalies, NORDITA program "Topological Quantum Matter: From Low-Temperature Physics
to Non-Equilibrium Dynamics", 8 August 2019, Stockholm, Sweden
 - Topological protection and quantum noise in nonlinear photonic systems, Conference "META 2019", 25 July 2019,  Lisbon, Portugal
 - Controlling photonic systems via topological anomalies, Conference "META 2019", 24 July 2019, Lisbon, Portugal
 - Topological mode selection and photonic anomalies in lasers and condensates, 8 July 2019, RIKEN, Wako-shi, Japan
 - Topological photonic anomalies, 24 June 2019, KAIST, Daejeon, Republic of Korea
 - Topological lasers and condensates, International Workshop "Recent Advances in Topological Photonics", 17 June 2019, Daejeon, Republic of Korea
 - Topological mode selection, "Waves Côte d'Azur", 7 June 2019, Nice, France
 - Topological effects in active media, "Central European Workshop on Quantum Optics (CEWQO)", 3 June 2019, Paderborn, Germany
 - Photonic systems with topological anomalies, 25 April 2019, Lund, Sweden
 - Polarization anomaly in photonic discrete-time quantum walks, 11 April 2019, Stockholm, Sweden
 - Topological lasers and condensates, 13 March 2019, Imperial College London, UK
 - Topological state engineering for two-dimensional photonic systems, Nature Conference: "Topological Photonics From Concepts to Devices", 12 November 2018, St Louis, USA
 -  Topological lasers and condensates,
2 October 2018, KTH Stockholm, Sweden
 - From copropagating modes to complex dispersion arcs in nonhermitian resonator arrays,  "Dynamics Days Europe", Billiards Minisymposium, 5 September 2018, Loughborough, UK
 - Zero modes in complex systems - robust features against a random background,  "Dynamics Days Europe", Quantum Chaos Minisymposium, 3 September 2018, Loughborough, UK
 -  Photonic polarization anomaly in supersymmetric topological quantum walks,
Conference "PIERS 2018", 4 August 2018, Toyama, Japan
 -  Topologically protected condensates and lasers,
Conference "PIERS 2018", 2 August 2018, Toyama, Japan
 - Topological lasers and condensates,  23 July 2018, Waseda University, Tokyo,   Japan
 - Topological lasers and condensates,  "IEEE Summer Topicals",  10 July 2018, Hawaii, USA
 - Topological lasers and condensates, "NowNano Conference", 3 July 2018, Cranage Hall, UK
 - Zero modes in random matrices - robust features against a random background, "Probability Days", 23 May 2018, Lancaster, UK
 - Topological lasers and condensates, 16 May 2018, Manchester, UK
 - Topological lasers and condensates, 10 May 2018, Madrid, Spain
 - Supersymmetric Quantum Walks, 24 April 2018, Nice, France
 - Topological lasers and condensates, 15 November 2017, Oxford, UK
 - 
Topological lasers and condensates, Conference "653. WE-Heraeus-Seminar: Optical Microcavities and Their Applications (WOMA 2017)", 8 November 2017, Bad Honnef, Germany
 - Topological lasers and condensates, 11 October 2017, Birmingham, UK
 - PT-symmetric scattering theory I&II, 3&4 October 2017, Nice, France
 - Topology in Nonlinear Systems,
Away day of programme grant "Semiconductor Quantum Photonics",
4 July 2017,  Sheffield, UK
 - Topological lasers and condensates, 13 June 2017, Chalmers University Göteborg, Sweden
 - Topological lasers and condensates, 22 May 2017, LMU Munich, Germany
 - Nonhermitian antilinear symmetries, workshop "Gaussian ensembles and their experimental realization", 18 May 2017, Nice, France
 - Topological states from exceptional points-exceptional points from topological states, International Workshop on "Asymmetric Microcavity and Wave Chaos",
21 March 2017, Beijing, China
 - Concepts of topological photonics,
Away day of programme grant "Semiconductor Quantum Photonics",
23 January 2017,  Sheffield, UK
 - 
Many-body localization characterized from a one-particle perspective, CMT group seminar,  9 December 2016, Lancaster University, UK
 - Statistical approaches to chaotic scattering and localisation, 17 October 2016,  King's College London, UK
 - Topological aspects of random-matrix theory  I&II,
13 & 20 October 2016,  Maths & Stats Department, Lancaster, UK
 - Mode selection by symmetry and topology, Conference "Journées de la Matière Condensée – JMC15",
25 August 2016,  Bordeaux, France
 - The role of charge conjugation symmetry in topological photonics, 8 August 2016, PIERS 2016, Shanghai, China
 - Selective amplification and charge conjugation in topological photonics, 5 August 2016, Nanjing, China
 - Selective amplification of semi-chiral defect states, 28 July 2016, Conference "META 2016", Malaga, Spain
 - The role of charge conjugation symmetry in topological photonics,
Conference "Non-Hermitian Photonics in complex media",
16 June 2016, Heraklion, Greece
 - Statistical approaches to chaotic scattering and localisation, 25 May 2016, Bielefeld, Germany
 - Signatures of chaotic scattering from Majorana zero modes,
"19th Symposium on Topological Quantum Information: Quantum matter out of equilibrium",
4 April 2016, Leeds, UK
 - Delay times in chiral ensembles-signatures of chaotic scattering from Majorana zero modes, "Workshop on Random Matrix Theory",
12 December 2015, Bielefeld, Germany
 - Symmetry and topology in photonic systems,
10 December 2015, Paderborn, Germany
 - Delay times in chiral ensembles-signatures of chaotic scattering from Majorana zero modes,
CMT group meeting, 23 October 2015, Lancaster, UK
 - Symmetry and topology in photonic systems,
Symposium on "Quantum Chaos, Billiards, RMT and more",
1 September 2015, CIC Cuernavaca, Mexico
 - Delay times in chiral ensembles-signatures of chaotic scattering from Majorana zero modes,
Gathering on "Random matrix theory, correlations and long tail distributions",
 26 August 2015, CIC Cuernavaca, Mexico
 - PT symmetry in topological photonics, LMS joint research group meeting,
18 August 2015, Imperial, London, UK
 - 
Amplification and absorption in topological photonic systems,
   Conference "META 2015",   6 August 2015, New York, USA
 - Topological and PT-symmetric photonic systems,
  16 July 2015, Exeter, UK
 - Amplification and absorption in topological photonic systems,
Conference "Quantum Correlated Matter and Chaos: A workshop in Honor of the Life and Work of Richard Prange",
 25 June 2015, MPIPKS Dresden, Germany
 - Topological and PT-symmetric photonic systems,
12 May 2015, FU Berlin, Germany
 - Amplification and absorption in topological photonic systems,
7 May 2015, TU Berlin, Germany
 - Topological and PT-symmetric photonic systems,
28 April 2015, Magdeburg, Germany
 - Topological and PT-symmetric photonic systems,
14 April 2015, Ilmenau, Germany
 - Amplification and absorption in topological photonic systems,
31 March 2015, workshop "QuTe2015", Sheffield, UK
 - Random-matrix theory for Majorana modes in chiral superconductors,
28 January 2015, MPIPKS Dresden, Germany
 - Non-Hermitian transport and topological protection in photonic systems,
23 October 2014, Conference "Non-Hermitean Random Matrices: 50 Years After Ginibre",
Yad Hashmona, Israel
 - Delay times in chiral random-matrix ensembles,
14 October 2014,  Leiden, Netherlands
 - Topologically protected zero modes in electronic and optical systems,
14 July 2014, Conference LPHYS2014, Sofia, Bulgaria
 - 
Topologically protected zero modes in electronic and optical systems”
7 May 2014, Heidelberg, Germany
 - 
Signatures of the quantum Hall effect in strained graphene,
 8 April 2014, Graphene flagship workpackage meeting, Lancaster, UK
 - 
Tales of zero modes,
25 November 2013, Leiden, Netherlands
 - 
Transport through Majorana nanowires,
4 November 2013, Exeter, UK
 - 
Transport through Majorana nanowires,
12 September 2013, Conference "Advances in Quantum Chaotic Scattering: From (Non-)Linear Waves to Few-Body Systems",
MPIPKS Dresden, Germany
 - 
Selective amplification of topologically protected states,
24 May 2013, Conference "Transport in Open Quantum Systems: Experiment and Theory",
Porquerolles, France
 - 
Selective amplification of topologically protected states,
15 May 2013, Imperial College London, UK
 - 
Selective amplification of topologically protected states,
10 May 2013, Nottingham, UK
 - 
Selective amplification of topologically protected states,
19 November 2012, Leiden, Netherlands
 - Landau level lasers in strained photonic honeycomb crystals,
22 October 2012, Conference "Wave Chaos from the Micro- to the Macroscale", MPIPKS Dresden, Germany
 - Landau level lasers in strained photonic crystals,
17 October 2012,  Magdeburg, Germany
 - PT-symmetric dynamical systems,
7 September 2012, Theo-Muphy meeting on  "Complex patterns in wave functions - drums, graphs, and disorder", The Royal Society at Chicheley Hall, UK
 - Effects of nonuniform strain on PT-symmetric photonic crystals,
29 August 2012, Conference "Non-Hermitian Operators in Quantum Physics", Paris, France
 - Quantum noise and self-sustained radiation of PT-symmetric optical systems,
20 October 2011, Birmingham, UK
 - Scattering approach to PT-symmetric dynamical systems,
27 September 2011, "PT-Symmetric Quantum Mechanics Symposium", Heidelberg, Germany
 - Counting statistics for mesoscopic conductors with internal dynamical degrees of freedom,
5 July 2011, UCL, London, UK
 - Quantum optics and random matrix theory of coupled PT symmetric resonators,
17 June 2011, Conference "Quantum physics with non-hermitian operators", MPIPKS Dresden, Germany
 - 
Universal routes to spontaneous PT-symmetry breaking in non-hermitian quantum systems,
31 May 2011, East Midlands Mathematical Physics Seminar,
 Nottingham, UK
 - Quantum optics and random matrix theory of coupled
PT-symmetric resonators,
27 May 2011,  International "Workshop On Microcavities and
their Applications" (WOMA), Busan, South Korea
 - PT symmetry in optical resonators
13 May 2011, Bielefeld, Germany
 - Excess noise and PT symmetry in optical microresonators,
11 May 2011, Magdeburg, Germany
 - Counting statistics for mesoscopic conductors with internal dynamical degrees of freedom,
4 May 2011, Manchester, UK
 - Quantum optics and random matrix theory of PT symmetric resonators,
6 April 2011, UCL, London, UK
 - Excess quantum noise in dielectric microlasers,
9 March 2011, Sheffield, UK
 - Fractal Weyl laws in dynamical systems with a mixed phase space,
"Dynamics Days Europe", 8 September 2010, Bristol, UK
 - Adsorbate-limited conductivity of graphene, 1 September 2010,
DTU, Copenhagen, Denmark
 - Adsorbate-limited conductivity of graphene,
1 July 2010, Conference "Nanopeter 2010", St Petersburg, Russia
 - Counting statistics for
mesoscopic conductors with
internal dynamical degrees of freedom,
22 June 2010, workshop "Physics of micro and nanoscale systems", Ystad, Sweden
 - Adsorbate-limited conductivity of graphene,
23 April 2010, UIB Palma de Mallorca, Spain
 - Resonator modes in unconventional cavities,
5 March 2010, Bristol University, UK
 - Fractal Weyl laws -  beyond ballistic chaotic decay, 18 December 2009,
"Workshop on Random Matrix Theory", Brunel, London, UK
 - Quantum pumping and pseudospintronics in graphene,
21 October 2009,  Heriot-Watt, Edinburgh, UK
 - Adsorbate-limited conductivity of graphene,
10 October 2009, "Agressia-09", Keswick, UK
 - Fractal Weyl laws -  beyond ballistic chaotic decay,
23 September 2009,  Workshop "Tunneling and Scattering in Complex
Systems - From Single to Many Particle Physics", MPIPKS Dresden, Germany
 - Quantum pumping and pseudospintronics in graphene,
31 August 2009,  KAIST, Daejeon, South Korea
 - Excess quantum noise in dielectric microresonators,
26 August 2009,  International "Workshop On Microcavities and
their Applications" (WOMA),
 Seoul, South Korea
 - Adsorbate-limited conductivity of graphene,
4 August 2009, "Graphene" Workshop,
 Benasque, Spain
 - Graphene: the role of chemical disorder,
 18 March 2009, East Midlands Mathematical Physics Seminar,
 Nottingham, UK
 - Adsorbate-limited conductivity of graphene,
 6 March 2009, ESF Conference "Graphene Week", Obergurgl,
 Austria
 - Transport in  graphene: Disorder and Control,
 26 February 2009, Royal Holloway, UK
 - Lifetime distributions in open quantum systems:
beyond ballistic chaotic decay, 22 January 2009,
Conference "Resonances in physics and mathematics", CIRM, Luminy, France
 - Adsorbate-limited conductivity of graphene,
18 September 2008, KAIST, Daejeon, South Korea
 - Nonexponential decoherence in  a quantum Lévy
 kicked rotator,
9 September 2008, Dynamics Days Asia-Pacific 5 [DDAP5], Nara, Japan
 - Adsorbate-limited conductivity of graphene,
5 September 2008, Tokyo Metropolitan University, Japan
 - 
Nonexponential dephasing of cold atoms, 2 July 2008,
University of Hertfordshire, UK
 - 
Transport in molecularly doped graphene, 25 April 2008,
University of Basel, Switzerland
 - Staggered level repulsion in lead-symmetric transport, 28 February 2008,
Conference "Quantum Chaos: Routes to RMT Statistics and Beyond", Banff, Canada
 - Nanolectrophotonics, 23 January 2008,
 Midterm review of the Marie Curie EXT, Lancaster, UK
 - Counting statistics of electrons and photons, 10 August 2007,
Summer School "Quantum Transport and Dynamics in
Nanostructures", Windsor, UK
 - 
Dynamical localisation and decoherence: effects of Levy noise, 19 April 2007,
BAMC, Bristol, UK
 - 
Nonexponential dephasing of cold atoms, 13 December 2006,
 Manchester University, UK
 - 
Entanglement of
qubits by an Aharonov-Bohm effect, 26 October 2006,
 University of Nottingham, UK
 -  Entanglement
between static and flying qubits in an Aharonov-Bohm double
electrometer, 4 August 2006, International seminar and workshop
"Dynamics and Relaxation in Complex Quantum and Classical Systems
and Nanostructures", Dresden, Germany
 -  Prompt entanglement between static and flying qubits in an Aharonov-Bohm double electrometer, 22 April 2006,
Conference "Quantum phenomena at low temperatures",
Lammi, Finland
 -  Resonant fluorescence in quantum dots and non-Markovian master equations, 6  April 2006,
Marie Curie Advances Study Institute "Quantum Optics and Computation", Riomaggiore, Italy
 -  Entanglement of electrons by parity-preserving scattering in Aharonov Bohm rings, 4 April 2006,
Marie Curie Advances Study Institute "Quantum Optics and Computation", Riomaggiore, Italy
 -  A simple model for non-exponential relaxation of complex quantum systems,
9 March 2006, Warwick, UK
 -  Non-exponential relaxation from entanglement with stationary unobserved degrees of freedom,
17 February 2006, Lancaster, UK
 - Non-exponential relaxation from entanglement with stationary unobserved degrees of freedom,
 12 January 2006, EPSRC Network Meeting on "Transport, Dissipation and Control in Quantum Devices",
 Manchester, UK
 - 
Quantum-to-classical crossover of quasi-bound states and fractal Weyl laws in ballistic open systems,
2 December 2005, University of Bristol, UK
 - 
Quantum-to-classical crossover of quasi-bound states and fractal Weyl laws in ballistic open systems,
23 November 2005, City University London, UK
 - 
Non-exponential relaxation from entanglement with stationary unobserved
degrees of freedom, 2 October 2005,
MCRTN International Workshop "Nanoscale Dynamics and Quantum Coherence",
Catania, Italy
 - 
Quantum-to-classical crossover of quasi-bound states in ballistic
systems, 29 September 2005, International Workshop
"Correlations in quantum systems:
quantum dots, quantum gases and nuclei", Palma de Mallorca, Spain
 - 
Quantum-to-classical correspondence of resonances in ballistic chaotic
systems, 12 March 2005, workshop
"Aspects of Quantum Chaotic Scattering",  MPIPKS Dresden, Germany
 - 
Quantum-to-classical correspondence in ballistic mesoscopic systems,
4 March 2005, Conference
"Korrelationstage 2005", MPIPKS Dresden, Germany
 - 
Transport and Dynamics in complex nanostructures,
24 February 2005, TU Berlin, Germany
 - 
Complexity on the Nanoscale,
22 February 2005, University of Nottingham, UK
 - 
Quantum-to-classical correspondence in ballistic mesoscopic systems
(theory colloquium),
5 November 2004, Universität zu Köln, Germany
 - 
Quantum-to-classical correspondence in ballistic mesoscopic systems,
4 November 2004, Universität Duisburg-Essen, Germany
 - 
Transport and Dynamics in Complex Nanostructures,
29 October 2004, Universität Hannover, Germany
 - 
Transport and Dynamics in Complex Nanostructures,
14 October 2004, University of Lancaster, UK
 - 
Quantum-to-classical crossover of quasi-bound states in open systems,
"IV. Workshop on chaotic and disordered billiards",
7 October 2004,
Göttingen, Germany
 - 
Quantum-to-classical crossover of quasi-bound states
in open systems,
International Workshop on "Nanoscale Dynamics
and Quantum Coherence",
22 September 2004,
Hamburg, Germany
 - 
Quantum-to-classical correspondence in mesoscopic transport,
23 June 2004, Focus meeting "Quantum chaos and its applications to mesoscopic physics",
APCTP Pohang, South-Korea
 - 
Suppression of shot noise by dynamical mechanisms,
DPG spring meeting, 8 March 2004, Regensburg, Germany
 - 
Transport and Dynamics in Complex Quantum Systems,
19 February 2004, Universiteit Utrecht, Netherlands
 - 
Disorder-induced localization in the Gross-Pitaevskii equation,
20 January 2004,  MPIPKS Dresden, Germany
 - 
Dynamical Mesoscopics,
6 November 2003, University Karlsruhe, Germany
 - 
Full wavefunction statistics and anomalies in one-dimensional
localization,
1 October 2003, RTN meeting "Nanoscale Dynamics, Coherence, and
Computation" (October 1-4 2003),  Calvia, Spain
 - 
Information processing on the nanoscale,
25 September 2003, BAR meeting of the MPG, MPIPKS Dresden, Germany
 - 
Particle-wave duality in mesoscopic transport (theory colloquium),
10 July 2003, Technical University Dresden, Germany
 - 
Particle-wave duality in mesoscopic transport,
20 June 2003, University of Oxford, UK
 - 
Deviations from universality in mesoscopic transport,
5 June 2003, Universität Ulm, Germany
 -  Particle-wave duality in mesoscopic transport,
European Advanced Studies Conference "Chaos and Complex Systems",
31 May 2003, Novacella, Italy
 -  Waves in Complex Media and Mesoscopic Phenomena,
5 May 2003, Grand Evaluation of the MPIPKS Dresden, Germany
 - Large fluctuations in mesoscopic transport (colloquium),
19 March 2003, MPISF Göttingen, Germany
 - Wavefunction statistics in 1d Anderson localization,
14 November 2002, Uni. Düsseldorf, Germany
 - Wavefunction statistics in 1d Anderson localization,
8 November 2002, Conference "Electron Interference and Decoherence in Nanostructures", November 4 - 8 2002, MPI-PKS Dresden, Germany
 - 
Band-center anomaly in 1d localization,
10 September 2002, Conference "Chaos and Interactions in Complex Quantum systems" (September 9-13 2002), Regensburg, Germany
 - 
Dynamik lokalisierter Wellen in ungeordneten Medien,
18 July 2002, LMU München, Germany
 - 
Quantum Transport in the mixed phase space: How deterministic?
Dynamic Days Europe, 17 July 2002, Heidelberg, Germany
 - 
Beyond the microchip: information technology on the nanoscale
24 January 2002, Kuratorium meeting MPI-PKS Dresden, Germany
 - 
Delay times of localized waves (theory colloquium),
18 October 2001, Uni Karlsruhe, Germany
 - 
Delay times of localized waves (Sep 27)
 - 
Semiclassical significance of bifurcations (Sep 25)
 - 
Statistics of the Petermann factor in chaotic cavities (Sep 25)
 - 
Microscopic versus mesoscopic local density of states in 1D localization (Sep 24)
(26.-29.:)
Conference on Anderson localization, quantum chaos and random matrices, September 24-28 2001, ICTP Trieste, Italy
 - 
Quantum phenomena of systems with a mixed phase space,
6 September 2001, Quantum Challenges 2001, Universität Essen, Germany
 - 
Counting statistics of photons produced by electronic shot noise,
18 April 2001, FU Berlin, Germany
 - 
Dynamics of wave propagation in random media,
27 February 2001, Gentner Symposium, Ein Gedi, Israel
 - 
Dynamik komplexer Wellen (colloquium),
18 October 2000,  Universität Essen, Germany
 - 
Universal twinkling exponents for mixed systems,
27 July 2000,  Universität Essen, Germany
 - 
Dynamical effects on wave propagation in random media,
22 June 2000, MPI-PKS Dresden, Germany
 - 
Large sample-to-sample fluctuations of the nonequilibrium critical
current in mesoscopic Josephson junctions,
TMR Network Meeting
"Phase coherent dynamics of hybrid nanostructures",
9 May 2000, Carsege, France
 - 
Quantum limit of the laser linewidth in chaotic cavities,
26 January 2000, University of Bristol, UK
 - 
The linewidth of laser cavities with chaotic shape, 21 August 1999,
Summer school on condensed matter theory, Windsor, UK
 - 
Kinetic theory of shot noise in non-degenerate diffusive conductors,
XVI Sitges Conference,
"Statistical and dynamical aspects of mesoscopic systems", 9 June 1999,
Sitges, Spain
 - 
Excitation spectrum of Andreev billiards with a mixed phase space,
TMR Network Meeting & School
"Phase coherent dynamics of hybrid nanostructures",
25 May 1999,
Bad Herrenalb, Germany
 - 
Quantum-limited linewidth
of a chaotic laser cavity,
Thu 29 April 1999, Seminar "Dynamics of complex systems",
MPIPKS Dresden, Germany
 - 
The linewidth of chaotic laser resonators,
15 April 1999, Universität Essen, Germany
 - 
The reduced gap in Andreev billiards with a mixed phase space,
3 December 1998,
TU Delft, The Netherlands
 - 
Thouless energies for mixed dynamics,
Extended Research Workshop on Disorder, Chaos and Interaction in
Mesoscopic Systems,
9 September 1998, 
ICTP, Trieste, Italy
 - 
Semiclassical quantization
for systems with a mixed phase space,
26 February 1998, Yale University, USA
 - 
Spectra of the kicked top, 18 December 1997,
Universiteit Leiden, Netherlands
 - 
Uniform approximations, 
December 1997, Universität Bochum, Germany
 - 
Semiclassical contributions of periodic-orbit clusters
in a mixed phase space, Israel/German young scientists meeting,
26 June 1997, MPIPKS Dresden, Germany
 - 
Semiclassics for mixed phase spaces,
SFB Meeting, October 1996, Bad Honnef,
Germany
 - 
Collective influence of close classical trajectories on semiclassical
spectra,
18 June 1996, Universität Ulm, Germany 
 - 
Bifurcations and semiclassics in the mixed phase space,
Evaluation of SFB 237, June 1996, Universität Essen, Germany
 - 
Subdiffusive and superdiffusive
transport and generalized duality,
Physikertagung, February 1996, Regensburg,
Germany
 - 
Torque and force on dielectric particles, June 1994, Kyoto, Japan
 - 
Quantum mechanical diffusion in periodic potentials,
24 June 1993, Universität Essen, Germany
 
lectures for pupils and public audiences▲
- 
Geometry and topology in modern of physics,  18 December 2016,
Ogden residential keynote lecture, Lancaster, UK
 - 
Topologically protected zero modes in electronic and optical systems,
 LUPAS lecture, 19 March 2014, Lancaster, UK
 - 
Geometry and topology in modern of physics, 18 December 2013,
 Ogden residential keynote lecture, Lancaster, UK
 - 
Graphene, a truly miraculous material, 19 June 2013,
 Loreto College, Manchester, UK
 - 
Mathematical philosophies in physics: a condensed-matter perspective,
16 December 2012, Ogden residential, Lancaster, UK
 - 
Mathematical philosophies in physics: a condensed-matter perspective,
18 December 2011, Ogden residential, Lancaster, UK
 - 
Mathematical philosophies in physics, illustrated by current trends in condensed-matter physics,
16 November 2011, LUPAS,  Lancaster, UK
 - 
Beyond the microchip: information technology on the nanoscale,
Evening talk, `Jugend forscht'  (Youth at research) state contest
Saxony, 2 April 2004, MPI-PKS Dresden, Germany
 - 
Beyond the microchip: information technology on the nanoscale,
9 February 2004, MPI-PKS Dresden, Germany
 - 
Chaos and Predictability,
10 September 2003, MPI-PKS Dresden, Germany
 - 
Particle-wave duality for electrons in solid matter,
27 June 2003, MPI-PKS Dresden, Germany
 - 
Chaos and Predictability,
10 April 2003, St. Afra Gymnasium Meissen, Germany
 - 
Chaos and Predictability,
12 September 2002, MPI-PKS Dresden, Germany
 - 
Chaos and Predictability,
11 June 2002, Heinrich-Heine Gymnasium Wolfen, Germany
 - 
Chaos and Predictability,
11 June 2002, Geiseltalgymnasium Mücheln, Germany
 - 
Chaos and Predictability,
11 April 2001, MPI-PKS Dresden, Germany