Joseph S. Friedman

Ph.D. Student: Alexander (Alex) J. Edwards


Alexander J. Edwards is a fifth-year Computer Engineering Ph.D. student at the Erik Jonsson School of Engineering & Computer Science at The University of Texas at Dallas. He received the B.S. degree in Computer Engineering in 2019 from Oklahoma Christian University, with a minor in Mathematics. His current research focus is on spintronic neuromorphic computing.

In 2023, he was awarded a Chateaubriand Fellowship for a four-month research exchange visit to Université Paris-Saclay. In 2022, he was awarded the Department of Energy (DOE) Office of Science Graduate Student Research (SCGSR) Award for a three-month research exchange visit to Sandia National Laboratories in 2022. He has also been awarded the Best Teaching Assistant Award from the Erik Jonsson School of Engineering & Computer Science at The University of Texas at Dallas.

arXiv Preprints

  1. P. Zhou, A. J. Edwards, F. B. Mancoff, S. Aggarwal, S. K. Heinrich-Barna, J. S. Friedman, Neuromorphic Hebbian Learning with Magnetic Tunnel Junction Synapses, arXiv:2308.11011 (2023).
  2. B. W. Walker, A. J. Edwards, X. Hu, M. P. Frank, F. Garcia-Sanchez, J. S. Friedman, Near-Landauer Reversible Skyrmion Logic with Voltage-Based Propagation, arXiv:2301.10700 (2023).
  3. P. Zhou, A. J. Edwards, F. B. Mancoff, D. Houssameddine, S. Aggarwal, J. S. Friedman, Experimental Demonstration of Neuromorphic Network with STT MTJ Synapses, arXiv:2112.04749 (2021).
  4. A. A. Zaki, N. C. Parker, T.-Y. Kim, S. Ishak, T. E. Stovall, G. Peng, H. Dave, J. Harvey, M. Nourani, X. Hu, A. J. Edwards, J. S. Friedman, Analog Seizure Detection for Implanted Responsive Neurostimulation, arXiv: 2106.06590 (2021).

Journal Publications

  1. A. J. Edwards, G. Krylov, J. S. Friedman, E. G. Friedman, Harnessing Stochasticity for Superconductive Multi-Layer Spike-Rate-Coded Neuromorphic Networks, Neuromorphic Computing and Engineering 4, 014005 (2024).
  2. A. J. Edwards, D. Bhattacharya, P. Zhou, N. R. McDonald, W. Al Misba, L. Loomis, F. Garcia-Sanchez, N. Hassan, X. Hu, M. F. Chowdhury, C. D. Thiem, J. Atulasimha, J. S. Friedman, Passive Frustrated Nanomagnet Reservoir Computing, Communications Physics 6:215 (2023).
  3. X. Hu, C. Cui, S. Liu, F. Garcia-Sanchez, W. H. Brigner, B. W. Walker, A. J. Edwards, T. P. Xiao, C. Bennett, N. Hassan, M. P. Frank, J. A. C. Incorvia, J. S. Friedman, Magnetic Skyrmions and Domain Walls for Logical and Neuromorphic Computing, Neuromorphic Computing and Engineering 3:2, 022003 (2023).
  4. M. F. Chowdhury, W. Al Misba, M. M. Rajib, A. J. Edwards, D. Bhattacharya, M. S. Varghese, J. S. Friedman, J. Atulasimha, Focused Surface Acoustic Wave Induced Nano-Oscillator based Reservoir Computing, Applied Physics Letters 121:10, 102402 (2022).
  5. X. Hu, B. W. Walker, F. Garcia-Sanchez, A. J. Edwards, P. Zhou, J. A. C. Incorvia, A. Paler, M. P. Frank, J. S. Friedman, Logical and Physical Reversibility of Conservative Skyrmion Logic, IEEE Magnetics Letters 13, 4503805 (2022).

Conference Papers & Presentations

  1. B. W. Walker, K. Muthukrishnan, R. Thapa, E. A. Rivas, X. Hu, M. P. Frank, F. Garcia-Sanchez, A. J. Edwards, J. S. Friedman, Voltage-Propagated Reversible Skyrmion Logic with near-Landauer Efficiency, International Conference on Magnetism, June-July 2024.
  2. A. J. Edwards, E. C. Usih, P. Zhou, B. A. Hill, S. Martindell, T. Qi, D. Biswas, X. Hu, S. M. Panduranga, J. S. Friedman, Experimental Demonstration of Stochastic Bayesian Inference using Muller C-Elements, Government Microcircuit Applications & Critical Technology Conference, Mar. 2024.
  3. A. J. Edwards, G. Krylov, J. S. Friedman, E. G. Friedman, Deep Neuromorphic Networks with Superconducting Single Flux Quanta, Government Microcircuit Applications & Critical Technology Conference, Mar. 2024.
  4. P. Zhou, A. J. Edwards, F. B. Mancoff, S. Aggarwal, S. K. Heinrich-Barna, J. S. Friedman, Neuromorphic Hebbian Learning with Magnetic Tunnel Junction Synapses, Government Microcircuit Applications & Critical Technology Conference, Mar. 2024.
  5. J. D. Arzate, A. N. Chin, Y. Makris, A. J. Edwards, J. S. Friedman, Physically Secure Hardware Redaction with Strain-Shielded Nanomagnetic Logic, Government Microcircuit Applications & Critical Technology Conference, Mar. 2024.
  6. P. Zhou, A. J. Edwards, F. B. Mancoff, S. Aggarwal, J. S. Friedman, Experimental Demonstration of Unsupervised Online Learning with Stochastic STT-MTJ Switching, Conference on Magnetism and Magnetic Materials, Oct.-Nov. 2023.
  7. B. W. Walker, K. Muthukrishnan, R. Thapa, X. Hu, M. P. Frank, F. Garcia-Sanchez, A. J. Edwards, J. S. Friedman, Near-Landauer Reversible Skyrmion Logic with Voltage-Based Propagation, Conference on Magnetism and Magnetic Materials, Oct.-Nov. 2023.
  8. D. Biswas, S. R. Evans, M. J. Rickard, A. Fowler, Y. Makris, N. Hassan, A. J. Edwards, J. S. Friedman, Hybrid MRAM/SRAM Bit Cell with Self-Terminating MTJ Readout, Conference on Magnetism and Magnetic Materials, Oct.-Nov. 2023.
  9. A. N. Chin, J. D. Arzate, Y. Makris, N. Hassan, A. J. Edwards, J. S. Friedman, Hybrid Hardware Security Systems with Strain-Modulated Magnetic Anisotropy, Conference on Magnetism and Magnetic Materials, Oct.-Nov. 2023.
  10. X. Hu, X. Li, P. Zhou, B. W. Walker, A. J. Edwards, J. A. C. Incorvia, J. S. Friedman, High-Performance Low-Power Chiplet Design with Emerging Technologies, IEEE International System-on-Chip Conference, Sep. 2023.
  11. B. W. Walker, F. Garcia-Sanchez, A. J. Edwards, X. Hu, M. P. Frank, J. S. Friedman, Near Landauer Reversible Skyrmion Logic with Voltage-Based Propagation, Joint European Magnetic Symposia, Aug. 2023.
  12. B. W. Walker, A. J. Edwards, X. Hu, M. P. Frank, F. Garcia-Sanchez, J. S. Friedman, Near-Landauer Reversible Skyrmion Logic with Voltage-Based Propagation, Government Microcircuit Applications & Critical Technology Conference, Mar. 2023.
  13. A. N. Chin, J. D. Arzate, Y. Makris, N. Hassan, A. J. Edwards, J. S. Friedman, Physically Secure Hardware Redaction and Logic Locking with Hybrid Logic Systems, Government Microcircuit Applications & Critical Technology Conference, Mar. 2023.
  14. S. R. Evans, M. J. Rickard, A. Fowler, Y. Makris, N. Hassan, A. J. Edwards, D. Biswas, J. S. Friedman, Non-Volatile Memory Circuit with Self-Terminating Read Current, Government Microcircuit Applications & Critical Technology Conference, Mar. 2023.
  15. A. J. Edwards, N. Hassan, D. Bhattacharya, M. M. Shihab, P. Zhou, X. Hu, J. Atulasimha, Y. Makris, J. S. Friedman, Strain-Modulated Magnetic Anisotropy for Physically Secure Logic Locking, Conference on Magnetism and Magnetic Materials, Oct.-Nov. 2022.
  16. P. Zhou, A. J. Edwards, F. B. Mancoff, S. Aggarwal, J. S. Friedman, Binarized Neuromorphic Inference Network with STT MTJ Synapses, Conference on Magnetism and Magnetic Materials, Oct.-Nov. 2022.
  17. J. S. Friedman, P. Zhou, X. Hu, A. J. Edwards, N. Hassan, W. H. Brigner, F. Garcia-Sanchez, C. H. Bennett, A. Velasquez, J. A. C. Incorvia, F. B. Mancoff, S. Aggarwal, Unsupervised Learning and Recognition with Single-Domain and Domain-Wall MTJs, Tohoku University Center for Science and Innovation in Spintronics Symposium, Oct. 2022 (invited).
  18. A. J. Edwards, D. Bhattacharya, P. Zhou, J. Atulasimha, J. S. Friedman, Passive Frustrated Nanomagnet Reservoir Computing, IEEE The Magnetic Recording Conference, Aug. 2022 (invited).
  19. P. Zhou, A. J. Edwards, F. B. Mancoff, S. Aggarwal, J. S. Friedman, Experimental Demonstration of Neuromorphic Network with STT-MTJ Synapses, IEEE The Magnetic Recording Conference, Aug. 2022 (invited).
  20. P. Zhou, A. J. Edwards, F. B. Mancoff, D. Houssameddine, S. Aggarwal, J. S. Friedman, Binarized Neuromorphic Inference Network with STT MTJ Synapses, SPIE Spintronics, Aug. 2022 (invited).
  21. A. J. Edwards, D. Bhattacharya, P. Zhou, N. R. McDonald, L. Loomis, C. D. Thiem, J. Atulasimha, J. S. Friedman, Frustrated Arrays of Nanomagnets for Efficient Reservoir Computing, SPIE Spintronics, Aug. 2022 (invited).
  22. N. Hassan, A. J. Edwards, D. Bhattacharya, M. M. Shihab, P. Zhou, X. Hu, J. Atulasimha, Y. Makris, J. S. Friedman, Secure Logic Locking with Hybrid CMOS-Nanomagnet Logic, SPIE Spintronics, Aug. 2022 (invited).
  23. P. Zhou, A. J. Edwards, F. B. Mancoff, D. Houssameddine, S. Aggarwal, J. S. Friedman, Binarized Neuromorphic Computing with STT MTJ Synapses, International Conference on Neuromorphic Systems, July 2022.
  24. A. J. Edwards, D. Bhattacharya, P. Zhou, N. R. McDonald, L. Loomis, C. D. Thiem, J. Atulasimha, J. S. Friedman, Frustrated Arrays of Nanomagnets for Efficient Reservoir Computing, ACM Neuro-Inspired Computational Elements Workshop, Mar.-Apr. 2022.
  25. A. J. Edwards, N. Hassan, D. Bhattacharya, M. M. Shihab, P. Zhou, X. Hu, J. Atulasimha, Y. Makris, J. S. Friedman, Physically and Algorithmically Secure Logic Locking with Hybrid CMOS/Nanomagnet Logic Circuits, Design, Automation & Test in Europe, Mar. 2022 (invited).
  26. A. J. Edwards, D. Bhattacharya, P. Zhou, N. R. McDonald, L. Loomis, C. D. Thiem, J. Atulasimha, J. S. Friedman, Passive Nanomagnet Reservoir Computing with Low-Power Fading Memory Dynamics, Government Microcircuit Applications & Critical Technology Conference, Mar. 2022.
  27. A. J. Edwards, N. Hassan, D. Bhattacharya, M. M. Shihab, P. Zhou, X. Hu, J. Atulasimha, Y. Makris, J. S. Friedman, Physically Secure Logic Locking with Hybrid CMOS-Nanomagnet Logic, Government Microcircuit Applications & Critical Technology Conference, Mar. 2022.
  28. P. Zhou, A. J. Edwards, F. B. Mancoff, D. Houssameddine, S. Aggarwal, J. S. Friedman, Experimental Demonstration of Neuromorphic Network with STT MTJ Synapses, Government Microcircuit Applications & Critical Technology Conference, Mar. 2022.
  29. M. F. F. Chowdhury, A. J. Edwards, M. M. Rajib, W. Al Misba, D. Bhattacharya, J. S. Friedman, J. Atulasimha, Focused Surface Acoustic Wave Induced Nano-Oscillator Based Reservoir Computing, Government Microcircuit Applications & Critical Technology Conference, Mar. 2022.
  30. A. J. Edwards, N. Hassan, D. Bhattacharya, M. M. Shihab, P. Zhou, X. Hu, J. Atulasimha, Y. Makris, J. S. Friedman, Physically and Algorithmically Secure Logic Locking with Hybrid CMOS-Nanomagnet Logic, APS March Meeting, Mar. 2022.
  31. M. F. F. Chowdhury, W. Al Misba, D. Bhattacharya, A. J. Edwards, J. S. Friedman, J. Atulasimha, Surface Acoustic Wave Induced Nano-oscillator Based Reservoir Computing, Joint IEEE International Magnetics Conference & Conference on Magnetism and Magnetic Materials, Jan. 2022.
  32. K. Doleh, C. M. Linseisen, L. M. Humphrey, F. Garcia-Sanchez, X. Hu, W. H. Brigner, C. Cui, J. M. Martin, J. A. C. Incorvia, N. Hassan, A. J. Edwards, J. S. Friedman, Kinematic Domain Wall Model for Large-Scale Neuromorphic Network Simulation, Joint IEEE International Magnetics Conference & Conference on Magnetism and Magnetic Materials, Jan. 2022.
  33. A. J. Edwards, D. Bhattacharya, P. Zhou, N. R. McDonald, L. Loomis, C. D. Thiem, J. Atulasimha, J. S. Friedman, Frustrated Arrays of Nanomagnets for Efficient Reservoir Computing, Joint IEEE International Magnetics Conference & Conference on Magnetism and Magnetic Materials, Jan. 2022.
  34. P. Zhou, A. J. Edwards, F. B. Mancoff, D. Houssameddine, S. Aggarwal, J. S. Friedman, Experimental Demonstration of Neuromorphic Network with STT MTJ Synapses, IEEE International Electron Devices Meeting - MRAM Poster Session, Dec. 2021.
  35. N. Hassan, A. J. Edwards, D. Bhattacharya, M. M. Shihab, V. Venkat, P. Zhou, X. Hu, S. Kundu, A. P. Kuruvila, K. Basu, J. Atulasimha, Y. Makris, J. S. Friedman, Secure Logic Locking with Strain-Protected Nanomagnet Logic, Design Automation Conference, Dec. 2021.
  36. A. J. Edwards, D. Bhattacharya, P. Zhou, N. R. McDonald, L. Loomis, C. D. Thiem, J. Atulasimha, J. S. Friedman, Frustrated Arrays of Nanomagnets for Efficient Reservoir Computing, IEEE International Conference on Rebooting Computing, Nov. - Dec. 2021.
  37. A. J. Edwards, D. Bhattacharya, P. Zhou, N. R. McDonald, L. Loomis, C. D. Thiem, J. Atulasimha, J. S. Friedman, Frustrated Arrays of Nanomagnets for Reservoir Computing, Government Microcircuit Applications & Critical Technology Conference, Mar. 2021.
  38. A. J. Edwards, P. Zhou, D. Bhattacharya, N. R. McDonald, F. Garcia-Sanchez, L. Loomis, C. D. Thiem, J. Atulasimha, J. S. Friedman, Reservoir Computing with Frustrated Nanomagnet Arrays, APS March Meeting, Mar. 2021.
  39. P. Zhou, A. J. Edwards, N. R. McDonald, L. Loomis, C. D. Thiem, J. S. Friedman, Reservoir Computing with Planar Nanomagnet Arrays, Conference on Magnetism and Magnetic Materials, Nov. 2020.
  40. A. J. Edwards, P. Zhou, N. R. McDonald, L. Loomis, C. D. Thiem, J. S. Friedman, Reservoir Computing with Planar Nanomagnet Arrays, International Conference on Neuromorphic Systems, July 2020.
  41. X. Hu, A. J. Edwards, T. P. Xiao, C. H. Bennett, J. A. C. Incorvia, M. J. Marinella, J. S. Friedman, Process Variation Model and Analysis for Domain Wall-Magnetic Tunnel Junction Logic, IEEE International Symposium on Circuits & Systems, Oct. 2020.
  42. P. Zhou, N. R. McDonald, A. J. Edwards, L. Loomis, C. D. Thiem, J. S. Friedman, Reservoir Computing with Planar Nanomagnet Arrays, Government Microcircuit Applications & Critical Technology Conference, Mar. 2020.