2010 and earlier:
Moving Toward Nano-TCAD Through Multimillion-Atom Quantum-Dot Simulations Matching Experimental Data
Muhammad Usman, Hoon Ryu, Insoo Woo, David Ebert, Gerhard Klimeck
IEEE Transactions on Nanotechnology, 8, 330, (2009); arXiv
Atomistic Simulation of Realistically Sized Nanodevices Using NEMO 3-D Part II: Applications
Gerhard Klimeck, Sheikh Ahmed, Neerav Kharche, Marek Korkusinski, Muhammad Usman, Marta Parda, and Timothy Boykin
(INVITED ARTICLE) IEEE Transactions on Electron Devices, Vol. 54, No. 9, 2090-2099, (2007)
Atomistic Simulation of Non-Degeneracy and Optical Polarisation Anisotropy in Pyramidal Quantum Dots
Sheikh Ahmed, Muhammad Usman, Rajib Rahman, Andrei Schliwa, Gerhard Klimeck
in Technical Proceedings of IEEE Nano/Micro Engineered and Molecular Systems (NEMS) 2008
A Tight Binding Study of Strain-Reduced Confinement Potentials in Identical and Non-Identical InAs/GaAs Vertically Stacked Quantum Dots
Muhammad Usman, Sheikh Ahmed, Gerhard Klimeck
in Technical Proceedings of IEEE Nanotechnology (NANO) 2008, Arlington TX
Quantum Confined Stark Effect in Biased InAs/GaAs Quantum Dots
Muhammad Usman, Hoon Ryu, Sunhee Lee, Yui M.H. Tan, and Gerhard Klimeck
in proceedings of 13th International Workshop on Computational Electronics (IWCE), Tsinghua University, Beijing, May 27-29 2009.
Strain-engineered self-organised InAs/GaAs quantum dots for long wavelength applications
Muhammad Usman, Dragica Vasileska, and Gerhard Klimeck
in proceedings of ICPS 2008 (International Conference on the Physics of Semiconductors), Rio de Janeiro, Brazil, July 27-Aug 1, 2008.
Symmetry Breaking and Fine Structure Splitting in Self-Assembled Zincblende Quantum Dots: Atomistic Simulations of Long-Range Strain and Piezoelectric Field
Shaikh Ahmed, Muhammad Usman, Clemens Heitzinger. Rajib Rahman, Andrei Schliwa, and Gerhard Klimeck
in proceedings of 28th International Conference on the Physics of Semiconductors, ICPS 2006, Vienna, Austria, July 24-28 2006, AIP Conference Proceedings Volume 893, pg 849.
Strain and electronic structure interactions in realistically scaled quantum dot stacks
Muhammad Usman, Shaikh Ahmed, Marek Korkusinski, Clemens Heitzinger, and Gerhard Klimeck
in proceedings of 28th International Conference on the Physics of Semiconductors, ICPS 2006, Vienna, Austria, July 24-28 2006, AIP Conference Proceedings Volume 893, pg. 847.
Performance analysis of adaptive source rate control (ASRC) algorithm for VoIP
Muhammad Usman and Noor M. Sheikh
in proceedings of IEEE TENCON 2005 conference Melbourne Australia, November 2005 Pages:1-7