Last updated: January 2020

Jamesina J. Simpson, Ph.D.


   

Associate Professor, Electrical and Computer Engineering Department
University of Utah, Salt Lake City, UT



Links to Content

Contact Info Selected Service
Biographical Sketch Invited Workshop Talks
Selected Research Interests Book Chapters          
Awards and Honors         Newspaper and Magazine Articles
For Students         Refereed Journal Publications
Advisee Awards Personal
Courses


Email: jamesina.simpson@utah.edu
Office: MEB 2278
Phone: 801.585.6929
Mailing address:
        50 S. Central Campus Dr., Rm 2110 (note different room number than office number)
        Salt Lake City, UT 84112
        USA

-> back to content

Biographical Sketch

Prof. Simpson obtained the B.S. and Ph.D. degrees in electrical engineering from Northwestern University, Evanston, IL, in 2003 and 2007, respectively. From August 2007 to June 2012, she was a tenure-track assistant professor in the Electrical and Computer Engineering (ECE) Department at the University of New Mexico (UNM). In July 2012, she joined the ECE Department at the University of Utah as an associate professor.

Prof. Simpson's research lab encompasses the application of the finite-difference time-domain (FDTD) method to modeling electromagnetic phenomena at frequencies over 15 orders of magnitude (~1 Hz vs. ~600 THz). In particular, her group has pioneered advanced three-dimensional (3-D) Maxwell's equations FDTD models of global electromagnetic wave propagation within the Earth-ionosphere waveguide. These models have been applied to a variety of applications, including remote-sensing of oil fields, scintillation, hypothesized electromagnetic earthquake precursors, remote-sensing of localized ionospheric anomalies, remote-sensing of airplanes that have crashed into the oceans, Schumann resonances, and space weather effects on the operation of electric power grids. Prof. Simpson's research activities have been funded by NASA, the Office of Naval Research, Sandia National Labs, Los Alamos National Labs, Intel Corporation, the Department of Energy, the Defense Advanced Research Projects Agency (DARPA), the U.S. Air Force, and the National Science Foundation (NSF).

Dr. Simpson has received research and teaching awards, including a 2010 NSF Faculty Early Career Development (CAREER) Award, the 2012 IEEE Antennas and Propagation Society (AP-S) Donald G. Dudley, Jr. Undergraduate Teaching Award, the 2017 Santimay Basu Medal from the Union of Radio Science International (URSI), and the 2020 IEEE AP-S Lot Shafai Mid-Career Distinguished Achievement Award. She is currently serving as Chair of Commission B: Fields and Waves of the U.S. National Committee (USNC) of URSI and as a track editor for IEEE Transactions on Antennas and Propagation.

Current and former students in Prof. Simpson's research lab have earned awards such as the NSF Graduate Research Fellowship, the IEEE AP-S Pre-Doctoral and Doctoral Research Awards, and the American Association of University Women Fellowship. Graduates from her lab have accepted positions in industry and with the government, including Intel Corporation, Air Force Research Labs, the COMSOL Group, Singapore's Institute of High-Performance Computing, and the National Nuclear Security Administration's Future Leaders Program.
-> back to content
-> back to content
-> back to content

  • If you are interested in enrolling in one of Prof. Simpson's courses, more information is here.
  • If you are interested in joining Prof. Simpson's Computational Electrodynamics Lab, please click here for more information.
  • If you are already in Prof. Simpson's lab, you can find the lab notes here.
-> back to content
  • T. Gray: University of Utah Undergraduate Research Opportunities Program (UROP) Award (Spring 2015; $1200)
  • M. Humphries: University of Utah UROP Award (Spring 2015; $1200)
  • M. Jaramillo: National Science Foundation Graduate Research Fellowship (2010 - 2013; $30,000 stipend and $10,500 tuition per year for three years), IEEE Antennas and Propagation Society Pre-Doctoral Research Award (2010; $1000), IEEE-Albuquerque Outstanding Female Graduate Student Award (2010), American Association of University Women Fellowship (2009 - 2010; $8,980), New Mexico Network for Women in Science and Engineering Technical Symposium Student Presenter Award (2009)
  • C. Mendez-Ruiz: CONACYT scholarship (2008 - 2011; $38,145), ECE Department Outstanding Graduate Student Award (Spring 2011), IEEE Antennas and Propagation Society Doctoral Research Award (2011; $2500)
  • B. Nguyen: Honorable Mention in the Student Paper Competition of the 2014 IEEE Antennas and Propagation Society International Symposium in Memphis, TN ($1000 travel stipend); IEEE Antennas and Propagation Society Doctoral Research Award (2014; $2500)
  • M. Schnedar: University of Utah UROP Award (Summer 2017, $1200)
  • D. Smith: University of Utah College of Engineering Gerald Stringfellow Fellowship (2016 – 2017; total value of $57,823)
  • D. Sweeney: University of Utah UROP Award (Spring 2020; $1200)
  • H. Tankersley: University of Utah UROP Award (Spring 2020; $1200)
  • K. Tyler: University of Utah UROP Award (Fall 2015; $1200)
  • J. VanderDoes: University of Utah College of Engineering Greg and Debra Treseder Fellowship (2018 – 2019; total value of $60,437)
-> back to content
  • ECE 3300: Introduction to Electromagnetics (undergraduate course)
  • ECE 5340/6340: Numerical Techniques in Electromagnetics (senior undergrad / graduate course)
-> back to content
  • General Co-Chair, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, to be held in summer 2023.
  • Track Editor, IEEE Transactions on Antennas and Propagation, 2016 - Present
  • IEEE AP-S AdCom, elected for 2015 - 2018
  • Chair (elected for Jan. 2018 - 2021) and Vice Chair (elected for Jan. 2015 - 2018), USNC URSI Commission B
  • Associate Editor, IEEE Transactions on Antennas and Propagation, 2010 - 2014.
-> back to content
    1. J. J. Simpson, "FDTD modeling of electromagnetic propagation in the Earth-ionosphere waveguide," China-US Computational Electromagnetics Workshop, Harbin, China, Nov. 2013 (one of eight professors invited from the United States)
    2. J. J. Simpson, "Frontiers in full-Maxwell's Equations FDTD modeling," US-Egypt Regional Workshop on Microwave Emerging Technologies, Cairo, Egypt, Oct. 2010.
    3. J. J. Simpson, "FDTD modeling applications in ultrahigh-speed interconnets and electromagnetic compatibility of complex packages," IEEE MTT-S Internatinal Microwave Workshop Series on Signal Integrity and High-Speed Interconnects, Guadalajara Mexico, Feb. 2009.
-> back to content
    1. A. Samimi, B. T. Nguyen, and J. J. Simpson, “Recent FDTD Advances for Electromagnetic Wave Propagation in the Ionosphere,” Chapter 4 in Computational Electromagnetic Methods and Applications, Edited by Wen Yu, Norwood, MA: Artech, 2015.
    2. I. R. Capoglu, J. Rogers, C. Mendez-Ruiz, J. J. Simpson, S. H. Tseng, K. Chen, M. Ding, A. Taflove, and V. Backman, “FDTD and PSTD Applications in Biophotonics,” Chap. in Advances in FDTD Computational Electrodynamics: Photonics and Nanotechnolgoy, A. Taflove, A. Oskooi, and S. G. Johnson, Norwood, MA: Artech, 2013.
    3. A. Taflove and J. J. Simpson, “Introduction to Maxwell’s Equations and the Yee Algorithm,” Chap. 3 in Computational Electrodynamics: The Finite-Difference Time-Domain Method, 3rd ed., A. Taflove and S. C. Hagness, Norwood, MA: Artech, 2005.
    4. M. Piket-May, W. K. Gwarek, T.-L. Wu, B. Houshmand, T. Itoh, and J. J. Simpson “High-Speed Electronic Circuits with Active and Nonlinear Components,” Chap. 15 in Computational Electrodynamics: The Finite-Difference Time-Domain Method, 3rd ed., A. Taflove and S. C. Hagness, Norwood, MA: Artech, 2005.
-> back to content
    1. J. J. Simpson, “An established numerical method applied to geophysics,” Eos, newspaper of the American Geophysical Union, Washington, DC, July 2012 (feature article; circulation of over 61,000).
-> back to content

Refereed Journal Publications

    1. D. R. Smith, T. Tan, E. Dao, C. Huang, and J. J. Simpson, “An FDTD investigation of orthogonality and the backscattering of HF waves in the presence of ionospheric irregularities,” Journal of Geophysical Research -- Space Physics vol. 125, e2020JA028201, 2020. Paper42.pdf
    2. D. Balsara and J. J. Simpson, “Making a synthesis of FDTD and DGTD schemes for computational electromagnetics,” IEEE Journal on Multiscale and Multiphysics Computational Techniques vol. 5, pp. 99-118, 2020. Paper41.pdf
    3. X. Xu, L. Chen, C. Zhou, X. Liu, Z. Xia, J. J. Simpson, and Y. Zhang, “Two dimensional full-wave simulation of whistler-mode wave propagation near the local lower hybrid resonance frequency in a dipole field,” Journal of Geophysical Research - Space Physics vol. 125, no. 4, e2019JA027750, 2020. Paper40.pdf
    4. D. R. Smith, Cy. Y Huang, J. J. Simpson, and E. Dao, “FDTD modeling of HF waves through ionsopheric plasma irregularities,” Journal of Geophysical Research - Space Physics vol. 125, no. 3, e2019JA02499, 2020. Paper39.pdf
    5. X. Xu, C. Zhou, L. Chen, Z. Xia, X. Liu, J. J. Simpson, Y. Zhang, “Two dimensional full-wave modeling of propagation of low-altitude hiss in the ionosphere ” Geophysical Research Letters, vol. 47, no. 4, e2019GL086601, 2020. Paper38.pdf
    6. S. Pokhrel, G. Moss, and J. J. Simpson, “FDTD modeling of coils for wireless charging applications,” Applied Computational Electromagnetics Society Journal vol. 34, no. 11, pp. 1620 - 1628, 2019. Paper37.pdf
    7. D. R. Smith, S. Burns, J. J. Simpson, S. Ferrone, “FDTD modeling of scattered ultra low-frequency elecromagnetic waves from objects submerged in the ocean,” IEEE Transactions on Antennas and Propagation vol. 67, no. 4, pp. 2534 - 2541, 2019. Paper36.pdf
    8. B. T. Nguyen, A. Samimi, S. Wiechecki Vergara, C. D. Sarris, and J. J. Simpson, “Analysis of electromagnetic wave propagation in variable magnetized plasma via polynomial chaos expansion ,” IEEE Transactions on Antennas and Propagation, vol. 67, no. 1, pp. 438 - 449, 2019.Paper35.pdf
    9. B. T. Nguyen, S. Wiechecki Vergara, C. D. Sarris, and J. J. Simpson, “Ionospheric variability effects on impulsive ELF antipodal propagation about the Earth-sphere,” IEEE Transactions on Antennas and Propagation, vol. 66, no. 11, pp. 6244-6254, 2018. Paper34.pdf
    10. S. Pokhrel, V. Shankar, and J. J. Simpson, “3-D FDTD modeling of electromagnetic wave propagation in magnetized plasma requiring singular updates to the current density equation,” IEEE Transactions on Antennas and Propagation,vol. 66, no. 9, pp. 4772-4781, 2018. Paper33.pdf
    11. S. Pokhrel, M. Rodriguez, A. Samimi, G. Heber, and J. J. Simpson, “Parallel I/O for 3-D global FDTD Earth-Ionosphere waveguide models at resolutions on the order of ~1 km and higher using HDF5,” IEEE Transactions on Antennas and Propagation, vol. 7, no. 66, pp. 3548-3555, 2018. Paper32.pdf
    12. S. Pokhrel, B. Nguyen, M. Rodriguez, E. Bernabeu, and J. J. Simpson, “FDTD modeling of space weather hazards to electric power grids near ocean-continent boundaries” Journal of Geophysical Research -- Space Physics vol. 123, DOI:10.1029/2017JA024648, 2018. Paper31.pdf
    13. A. Pulkkinen, E. Bernabeu, A. Thomson, A. Viljanen, R. Pirjola, D. Boteler, J. Eichner, P. J. Cilliers, D. Welling, N. P. Savani, R. S. Weigel, J. J. Love, C. Balch, C. M. Ngwira, G. Crowley, A. Schultz, R. Kataoka, B. Anderson, J. J. Simpson, and M. MacAlester, “Geomagnetically induced currents: Science, engineering, and application readiness,” Space Weather,DOI 10.1002/2016SW001501, 2017. Paper30.pdf
    14. A. Samimi and J. J. Simpson, “Parallelization of 3-D FDTD Earth-ionosphere waveguide models at resolutions on the order of ~1 km and higher,” Antennas and Wireless Propagation Letters, vol. 15, pp. 1959-1962, 2016. Paper29.pdf
    15. B.T. Nguyen, C. Furse, and J. J. Simpson, “A 3-D stochastic FDTD model of electromagnetic wave propagation in magnetized ionospheric plasma,” IEEE Transactions on Antennas and Propagation, vol. 63, no. 1, pp. 304 - 313, 2015. Paper28.pdf
    16. A. Samimi and J. J. Simpson, “An efficient 3-D FDTD model of electromagnetic wave propagation in magnetized plasma,” IEEE Transactions on Antennas and Propagation, vol. 63, no. 1, pp. 269 - 279, 2015. Paper27.pdf
    17. B.T. Nguyen, A. Samimi, and J. J. Simpson, “Recent Advances in FDTD modeling of electromagnetic wave propagation in the ionosphere,” Applied Computational Electromagnetics Society Journal, vol. 29, no. 12, pp. 1003-1012, 2014 (invited). Paper26.pdf
    18. M. Hasan and J. J. Simpson, “Three-dimensional subwavelength confinement of a photonic nanojet using a plasmonic nanoantenna gap,” Microwave and Optical Technology Letters, vol. 56, no. 11, pp. 2700-2706, 2014. Paper25.pdf
    19. M. Hasan and J. J. Simpson, “Photonic nanojet enhanced nanometer-scale germanium photodiode,” Applied Optics vol. 52, no. 22, pp. 5420-5425, Aug. 2013. Paper24.pdf
    20. Y. Yu, J. Niu, and J. J. Simpson, “A 3-D global Earth-ionosphere FDTD model including an anisotropic magnetized plasma ionosphere,” IEEE Transactions on Antennas and Propagation, vol. 60, no. 7, pp. 3246-3256, 2012, doi: 10.1109/TAP.2012.2196937. Paper23.pdf
    21. J. Niu and J. J. Simpson, “On the air-sea boundary in marine CSEM detection modeling of sub-seafloor hydrocarbon reservoirs,” Antennas and Wireless Propagation Letters, vol. 11, pp. 651-654, 2012, doi: 10.1109/LAWP.2012.2203329. Paper22.pdf
    22. C. Mendez-Ruiz and J. J. Simpson, "Cepstral analysis of photonic nanojet-illuminated biological cells," Applied Computational Electromagnetics Society Journal, vol. 27, no. 3, pp. 215-222, 2012. Paper21.pdf
    23. J. J. Simpson, “On the possibility of high-level transient coronal mass ejection - induced ionospheric current coupling to electric power grids,” Journal of Geophysical Research -- Space Physics, 116, A11308, 2011, doi:10.1029/2011JA016830. Paper20.pdf
    24. C. Mendez-Ruiz and J. J. Simpson, “Ultra high-resolution FDTD modeling of a high-performance VLSI package for identifying resonances and couplings,” Applied Computational Electromagnetics Society Journal vol. 26, no. 4, pp. 284-294, 2011. Paper19.pdf
    25. Y. Yu and J. J. Simpson, “A magnetic field-independent absorbing boundary condition for magnetized cold plasma,” IEEE Antennas and Wireless Propagation Letters vol. 10, pp. 294-297, 2011, doi: 10.1109/LAWP.2011.2139191. Paper18.pdf
    26. M. Madrid, J. J. Simpson, and M. Hayat, “FDTD calculations of the diffraction coefficient of vibrating wedges,” IEEE Antennas and Wireless Propagation Letters vol. 10, pp. 163-166, 2011, doi: 10.1109/LAWP.2011.2121890. Paper17.pdf
    27. C. Mendez-Ruiz and J. J. Simpson, “Detection of embedded ultra-subwavelength-thin dielectric features using elongated photonic nanojets,” Optics Express, vol. 18, iss. 16, pp. 16805-16812, 2010, doi: 10.1364/OE.18.016805. [Also published in the Virtual Journal for Biomedical Optics, vol. 5, iss. 16, pp. 16805-16812, 2010.] Paper16.pdf
    28. Y. Yu and J. J. Simpson, “An E-J collocated 3-D FDTD model of electromagnetic wave propagation in magnetized cold plasma,” IEEE Transactions on Antennas and Propagation, vol. 58, no. 2, pp. 469-478, 2010, doi: 10.1109/TAP.2009.2037706. Paper15.pdf
    29. J. J. Simpson, “Current and future applications of 3-D global Earth-ionosphere models based on the full-vector Maxwell’s equations FDTD method,” Surveys in Geophysics, vol. 30, no. 2, pp. 105-130, 2009, doi: 10.1007/s10712-009-9063-5 (invited). Paper14.pdf
    30. J. J. Simpson, “Global FDTD Maxwell’s equations modeling of electromagnetic propagation from currents in the lithosphere,” IEEE Transactions on Antennas and Propagation, vol. 56, no. 1, pp. 199-203, 2008, doi: 10.1109/TAP.2007.913149. Paper13.pdf
    31. S.-C. Kong, J. J. Simpson, and V. Backman, “ADE-FDTD scattered field formulation for dispersive materials,” IEEE Microwave and Wireless Components Letters, vol. 18, no. 1, pp. 4-6, 2008, doi: 10.1109/LMWC.2007.911970. Paper12.pdf
    32. A. Heifetz, J. J. Simpson, S.-C. Kong, A. Taflove, and V. Backman, “Subdiffraction optical resolution of a gold nanosphere located within the nanojet of Mie-resonant dielectric microsphere,” Optics Express, vol. 15, no. 25, pp. 17334-17342, 2007, doi: 10.1364/OE.15.017334. [Also published in the Virtual Journal for Biomedical Optics, vol. 3, iss. 1, pp. 17334-17342, 2008.] Paper11.pdf
    33. J. J. Simpson and A. Taflove, “A review of progress in FDTD Maxwell’s equations modeling of impulsive sub-ionospheric propagation below 300 kHz,” IEEE Transactions on Antennas and Propagation in the Special Issue on Electromagnetic Wave Propagation in Complex Environments: A Tribute to Leopold Benno Felsen, vol. 55, no. 6, pp. 1582-1590, June 2007, doi: 10.1109/TAP.2007.897138. Paper10.pdf
    34. J. J. Simpson and A. Taflove, “ELF radar system proposed for localized D-region ionospheric anomalies,” IEEE Geoscience and Remote Sensing Letters, vol. 3, no. 4, pp. 500-503, Oct. 2006, doi: 10.1109/LGRS.2006.878443. Paper9.pdf
    35. J. J. Simpson, R. P. Heikes, and A. Taflove, “FDTD modeling of a novel ELF radar for major oil deposits using a three-dimensional geodesic grid of the Earth-ionosphere waveguide,” IEEE Transactions on Antennas and Propagation, vol. 54, no. 6, pp. 1734-1741, June 2006, doi: 10.1109/TAP.2006.875504. Paper8.pdf
    36. J. J. Simpson, A. Taflove, J. A. Mix, and H. Heck, “Substrate integrated waveguides optimized for ultrahigh-speed digital interconnects,” IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 5, pp. 1983-1990, May 2006, doi: 10.1109/TMTT.2006.873622. Paper7.pdf
    37. J. J. Simpson and A. Taflove, “A novel ELF radar for major oil deposits,” IEEE Geoscience and Remote Sensing Letters, vol. 3, no. 1, pp. 36-39, 2006, doi: 10.1109/LGRS.2005.856118. Paper6.pdf
    38. J. J. Simpson and A. Taflove, “Electrokinetic effect of the Loma Prieta earthquake calculated by an entire-Earth FDTD solution of Maxwell’s equations,” Geophysical Research Letters, vol. 32, L09302, doi:10.1029/2005GL022601, 2005, doi: 10.1029/2005GL022601. Paper5.pdf
    39. J. J. Simpson and A. Taflove, “Efficient modeling of impulsive ELF antipodal propagation about the Earth sphere using an optimized two-dimensional geodesic FDTD grid,” IEEE Antennas and Wireless Propagation Letters, vol. 3, no. 11, pp. 215-218, 2004, doi: 10.1109/LAWP.2004.834936. Paper4.pdf
    40. J. J. Simpson, A. Taflove, J. A. Mix, and H. Heck, “Computational and experimental study of a microwave electromagnetic bandgap structure for potential use as a bandpass wireless interconnect,” IEEE Microwave and Wireless Components Letters, vol. 14, no. 7, pp. 343-345, July 2004, doi: 10.1109/LMWC.2004.829283. Paper3.pdf
    41. J. J. Simpson and A. Taflove, “Three-dimensional FDTD modeling of impulsive ELF antipodal propagation and Schumann resonance of the Earth-sphere,” IEEE Transactions on Antennas and Propagation, vol. 52, no. 2, pp. 443–451, Feb. 2004, doi: 10.1109/TAP.2004.823953. Paper2.pdf
    42. J. J. Simpson and A. Taflove, “Two-dimensional FDTD model of antipodal ELF propagation and Schumann resonance of the Earth,” IEEE Antennas and Wireless Propagation Letters, vol. 1, no. 2, pp. 53-56, 2002, doi: 10.1109/LAWP/2002/805123. Paper1.pdf
-> back to content

Personal

My mother started teaching me to play the violin when I was three years old. I played regularly for the next ~20 years in symphonies, quartets, and recitals. Recently, I started playing again as my daughters learn violin through the Suzuki method.

Aside from playing the violin, I love training for and running road and trail races (to help offset my time in front of computers...!). Below are a few of my PR's:

  5 km   18:30   5:58 min./mile     2010
  10 km     39:14   6:19 min./mile   2013
  1/2 Marathon     1:27:46   6:42 min./mile   2013
  Marathon   2:59:21     6:50 min./mile   2013

Enjoying the places my research takes me...


-> back to content

 

“©20xx IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.”
“©20xx American Geophysical Union. Further reproduction or electronic distribution is not permitted.”