Invited Conference Talks/Seminars/Colloquia:

Presented by me: 

  1. 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.

  2. 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.

  3. 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. 

  4. 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.

  5. 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

  6. 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 hereConference web page here;

  7. 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

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

  9. 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.

  10. 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; 

  11. 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;

  12. Presented by my co-author: 

  13. 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;

  14. 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 hereAbstract here;

  15. 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;

  16. 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 hereConference program here;

  17. 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

  18. 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;

  19. 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

  20. 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 

  21. 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;

  22. 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.