Invited Conference Talks, Colloquia, Research Seminars and Guest Lectures

1. Security in the era of quantum computing 

Muhammad Usman

Invited Talk @ DEF CON 33 Quantum Village August 9-11, 2025, Las Vegas USA (https://defcon.org/html/defcon-33/dc-33-index.html)

2. Quantum-enabled autonomy: unlocking the next frontier in AI and robotics 

Muhammad Usman

Keynote Talk at Secure Australia Conference, Canberra Australia, November 11-12, 2025 (https://www.defenceiq.com/events-secure-australia-conference)

3. Leveraging quantum technology to improve innovation opportunities

Muhammad Usman

Invited Talk at NZ CIO Summit, Auckland, New Zealand, August 19-20, 2025 (https://www.ciosummit.co.nz/)

4. Quantum machine learning for geospatial intelligence  
   Muhammad Usman
   Keynote Talk at Geospatial Intelligence for Defence and Security (DGI), Feb 10-12, 2025, Queen Elizabeth II Center London

5. Adversarial robustness guarantees for quantum classifiers
   Maxwell West, et al., Martin Sevior, Muhammad Usman
   Invited Talk at AIP Congress 2024, December 2-7 2024 Melbourne Australia

6. Introduction to quantum computing and quantum machine learning
   Muhammad Usman
   Invited Colloquium talk at BAE Systems Australia, Adelaide August 14, 2024

7. Benchmarking quantum computers by error correction syndrome measurements
   Muhammad Usman
   Invited Talk at 2nd TQCI International Seminar on Benchmarks for Quantum Computers, 4-5 June 2024 Reims France. [Conference program is available here]

8. Quantum algorithms and software
   Muhammad Usman
   (Host: Dr Cathey Foley, Chief Scientist Australia) Keynote Talk at Quantum Meets Resources Workshop Feb, 16, 2024, Adelaide.

9. Quantum algorithms and software
   Muhammad Usman
   (Host: Dr Cathey Foley, Chief Scientist Australia) Keynote Talk at Quantum Meets Resources Workshop Feb, 16, 2024, Adelaide.

10. The hunt for advantage in quantum machine learning
    Muhammad Usman
    (Host: Dr Lucas Hackl) Keynote Talk at Melbourne Quantum Summit, The University of Melbourne Australia, Feb 2024.

11. Quantum machine learning robustness enhanced by quantum computing
    Muhammad Usman
    (Host: Dr Marcus Doherty) Keynote Talk at Quantum Curious Workshop organised by Quantum Brilliance and the Victorian State Government, Nov 2023.

12. The hunt for advantage in quantum computing
    Muhammad Usman
    (Host: Prof Jingbo Wang) Invited QUISA Seminar at School of Physics, The University of Western Australia, August 31, 2023.

13. The hunt for advantage in quantum computing
    Muhammad Usman
    (Host: Dr Farhad Farokhi) Invited Seminar at School of Electrical and Electronics Engineering, The University of Melbourne, August 21, 2023. 

14. Machine learning based fast and autonomous decoder for scalable surface codes
    Muhammad Usman
    Invited Talk at IEEE Quantum Week 2022, Colorado USA September 22, 2022. 

15. Applications at the intersection of  machine learning and quantum computing
    Muhammad Usman
    (Hosted by: Prof Tat-Jun Chin) Guest Lecturer at the Australian Institute of Machine Learning, The University of Adelaide, Adelaide South Australia, August 12, 2022. 

16. Quantum Adversarial Machine Learning for Threat Identification and Mitigation in Autonomous Defence Systems
    Muhammad Usman
    Keynote Talk at Chief of Army Symposium, Adelaide Convention Center, Adelaide South Australia, August 10-11, 2022. 

17. Advancing Quantum Technologies through Materials Discovery and Device Benchmarking
    Muhammad Usman
    (Hosted by: Dr Ryan Bennink) Research Seminar at Quantum Computational Science Group at Oak Ridge National Laboratory TN USA, August 24, 2021.

18. Advancing Quantum Technologies through Materials Discovery and Device Benchmarking
    Muhammad Usman
    (Hosted by: Dr Kaveh Delfanazari) Invited Research Seminar at the James Watt School of Engineering, University of Glasgow, UK, May 14 2021.

19. Engineering nanowires for greener photonic devices [Conference program is available here]
    Muhammad Usman
    53rd International Conference on Solid State Devices and Materials (SSDM 2021), 6-9 September 2021, Japan.

20. Design and characterisation of quantum matter at atomic-scale [Conference program is available here]
    Muhammad Usman
    20th International Union of Materials Research Societies (IUMRS-ICA 2019), 22-26 September 2019, Perth Convention Center, Australia.

21. Atomic level design and characterisation of nanomaterials for quantum and photonic technologies
    Muhammad Usman
    (Hosted by: Dr Abdulwahab Hussain) Invited Research Seminar at the Physics Department, KFUPM, KSA, November 25, 2020.

22. Design and Characterisation of Atomic Qubits
    Muhammad Usman
    3rd Workshop of the Melbourne Condensed Matter Community (MC)^2, RMIT University Melbourne Australia, June 7, 2019.

23. Engineering Nanomaterials with Single Atom Precision for Quantum Computing and Quantum Sensing Applications [Abstract of the talk is Here]
    Muhammad Usman
    Research Seminar, College of Engineering and Computer Science, Australian National University, Canberra, Australia, May 3 (11 AM), 2019.

24. Novel Nanomaterials and Nanostructures for Optoelectronic and Quantum Computing Devices [Abstract of the talk is Here]
    Muhammad Usman
    Research Seminar, Department of Electrical and Electronic Engineering, Monash University, Clayton, VIC, Australia, August 27 (1 PM), 2018.

25. Novel Nanomaterials and Nanostructures for Optoelectronic Devices
    Muhammad Usman
    Research Seminar, Department of Electrical and Electronic Engineering, University of Melbourne, Parkville, VIC, Australia, August 21 (10 AM), 2018.

26. Spatial Metrology of Dopants in Silicon with Single Atom Precision [Abstract of the talk is Here]
    Muhammad Usman
    (Hosted by: Prof. Kavan Modi) Research Seminar, School of Physics, Monash University, Clayton, VIC, Australia, September 14 (2 PM), 2016.

27. Pinpointing Dopant Locations in Silicon with Single Atom Precision
    Muhammad Usman
    (Hosted by: Prof. Jared Cole)  Research Seminar, School of Science, Royal Melbourne Institute of Technology (RMIT), Melbourne, VIC, Australia, August 26 (2 PM), 2016.

28. Atomically-precise spatial metrology of dopants in silicon [Abstract@Physics.UniMelb]
    Muhammad Usman
    Weekly Physics Colloquium, School of Physics, The University of Melbourne, Parkville, VIC, Australia, June 7, 2016. 

29. Tight-binding theory and calculations of subsurface donors in silicon
    Muhammad Usman
    (Hosted by: Dr. Brett Johnson) ECMP Seminar at the School of Physics, University of Melbourne, Parkville, VIC, Australia, March 23, 2015.

30. Bismide Semiconductors: Revolutionising Telecom Lasers
    Muhammad Usman
    (Hosted by: Prof. Nauman Z. butt) Seminar at Electrical Engineering Department, LUMS, Lahore Pakistan, October 29, 2013. Abstract here; 

31. Engineering of Multi-layer InAs Quantum Dot Stacks for Isotropic Polarisation Properties
    Muhammad Usman
    2013 EMN (Energy Materials Nanotechnology) Open Access Week, Chengdu, China, October 21-27, 2013. Abstract here; Conference web page here;

32. Quantum Dot based Photonic Devices [Video here]
    Muhammad Usman
    (Hosted by Prof. Christopher Levey ) Quantum/Nano-Physics Seminar, Department of Physics and Astronomy, Dartmouth College, Hanover, NH, 03755, USA; March 9, 2012; Abstract@Physics;Abstract@Thayer School; 

33. Quantitative Modeling of Quantum Dots
    Muhamamd Usman
    Tyndall National Institute, Lee Maltings, Cork Ireland, September 2010.

34. InAs Quantum Dots at 1.55 um Wavelengths
    Muhammad Usman and Gerhard Klimeck
    Network for Computational Nanotechnology-Student Leadership Seminar Series@Purdue University, Birck Nanotechnology Center, West Lafayette, Indiana, USA; March 12, 2010.

35. Coherent Coupling of Electronic States in Quantum Dot Molecules [Abstract here;]
    Muhammad Usman
    (Hosted by: Prof. Hassan Raza) 2010 seminar series at Optical Science and Technology Center (OSTC), University of Iowa, Iowa city, IA, USA, June 11, 2010; 

36. Strain and Electronic Structure Study of Self-Assembled InAs/GaAs Quantum Dots using Multi-million Atom Simulations - sp3d5s* Tight Binding Approach
    Muhammad Usman and Gerhard Klimeck
    1st NCN Research Symposium, June 2008, Birck Nanotechnology Center, Purdue University, Indiana USA. Symposium program here;

37. Quantum tunnelling microscopy of an atomic scale device in silicon
    B. Voisin, J. Salfi, J. Bocquel, M. Usman, A. Tankasala, ...., L. C. L. Hollenberg, and S. Rogge 
    MRS Fall Meeting Boston, Symposium EM8: Emerging Materials for Quantum Information, Boston 2017 . Conference web page here;

38. Band structure engineering of dilute bismide alloys for photovoltaic applications
    Eoin P. O'Reilly, Christopher Broderick, Muhammad Usman
    Workshop on High-efficiency materials for photovoltaics (HEMP), Imperial College London, UK, 10-11 September 2015. Conference web page here; Abstract here;

39. Electrically Injected GaAsBi Quantum Well Lasers
    SJ Sweeney, IP Marko, SR Jin, K Hild, Z Batool, P Ludewig, L Natterman, Z Bushell, W Stolz, K Volz, CA Broderick, M Usman, PE Harnedy, EP OReilly, R Butkute, V Pacebutas, A Geiutis, A Krotkus
    2014 International Semiconductor Laser Conference (ISLC), Melia Palas Atenea, Palma de Mallorca, Spain, September 2014. Conference web page here;

40. Dilute Bismide Materials and Devices
    Eoin P. O'Reilly, Christopher A. Broderick, Patrick E. Harnedy and Muhammad Usman
    Compound Semiconductor Week 2014, Montpellier, France, 11-15 May, 2014. Conference web page here; Conference program here;

41. Valence band structure of dilute bismide alloys for optoelectronic device applications
    Eoin P. O'Reilly, Christopher A. Broderick, Patrick Harnedy, Muhammad Usman,
    Novel Gain Materials and Devices Based on III-V-N/Bi Compounds, 24-26 September 2013, Istanbul University, Istanbul, Turkey. Conference web page here

42. Band structure engineering of dilute bismide alloys for optoelectronic device applications
    Eoin P. O'Reilly, Christopher A. Broderick, Patrick Harnedy, and Muhammad Usman
    4th International Conference on Bismuth-Containing Semiconductors: Growth, Properties and Devices, July 14-17, 2013, University of Arkansas, Arkansas, USA; Conference web page here;

43. Band engineering of dilute bismide and nitride alloys for efficient near- and mid-infrared semiconductor lasers
    Eoin P. O'Reilly, Muhammad Usman, Christopher A. Broderick
    E-MRS Spring Meeting, May 15-17, 2012, Congress Center, Strasbourg, France; Conference program here

44. Tight Binding Analysis of the Electronic Structure of Dilute Bismide and Nitride Alloys of GaAs
    Eoin P. O'Reilly, Muhammad Usman, Christopher A. Broderick, and Andrew Lindsay, and
    13th International Conference on Transparent Optical Networks (ICTON), June 26-30, 2011, KTH Stockholm, Sweden; Conference program here 

45. TE/TM Polarization Response of InAs/GaAs Quantum Dot Bilayers
    Experiment: Edmund Clarke, Susannah Heck, Peter Spencer, M. Taylor, D. McComb, Ray Murray (Imperial College London, UK),
    Theory: Muhammad Usman and Gerhard Klimeck (Purdue University, USA)
    UK Semiconductors 2010; Talk here;

46. Multi-Million Atom Simulations of Strain and Electronic Structure with NEMO-3D
    Gerhard Klimeck, Neerav Kharche, Muhammad Usman, Timothy B. Boykin
    Materials Science and Technology Conference and Exhibition (MS&T), Pittsburgh, October 5-9, 2008.