Education

University of Electronic Science and Technology of China, China.

Thesis: Research and Application on Basis Functions of Discontinuous Galerkin Time Domain Method

University of Electronic Science and Technology of China, China.

Thesis: Research on Waveguide Duplexers

University of Electronic Science and Technology of China, China.

Thesis: A Mountable WiFi Antenna for Gain Enhancement

Work Experience

Department of Electrical Engineering

The Pennsylvania State University, USA.

Department of Electrical Engineering

The Pennsylvania State University, USA.

HDing Tech Ltd, China.

Department of Electrical Engineering

Xichang University, China

Lierda Science and Technology Group Co. Ltd, China

Texas Instrument, China

Sinoscite Co. Ltd, China

Lenovo Co. Ltd, China

Membership of Associations

• Senior Member, IEEE (Institute of Electrical and Electronics Engineers)
• Life Member, Optica (former Optical Society of America OSA)
• Life Member, ACES (the Applied Computational Electromagnetics Society)
• Member, IOP (Institute of Physics)

Selected Awards

• The Best Paper Award presented by the Journal of Radio Science in 2018.
• The Excellent Student Paper Award presented by the IEEE Chengdu Section in 2017.

Journal Papers

1. W. Mai and D. H. Werner, "Analytical Transient Analysis of Temporal Boundary Value Problems Using the d’Alembert Formula," Opt. Lett. 46, 5727-5730 (2021)
2. W. Mai, S. D. Campbell, and D. H. Werner, "A Conductive Mixed-Order Generalized Dispersion Model for Noble Metals in the Optical Regime," Optics Express 29, 30520-30531 (2021).
3. W. Mai, J. Xu, and D. Werner, "Transmission of Antireflection Temporal Coatings: Comment," Optica 8, 824-825 (2021).
4. W. Mai, B. Zerbe, and D. Werner, "Discontinuous Galerkin Time Domain Method with Dispersive Modified Debye Model and its Application to the Analysis of Optical Frequency Selective Surfaces," Appl. Comput. Electromagn. Soc. 36, 27–34 (2021).
5. J. Xu, W. Mai, and D. H. Werner, "Complete polarization conversion using anisotropic temporal slabs," Opt. Lett. 46, 1373–1376 (2021).
6. W. Mai, L. Kang, R. Jenkins, D. Zhu, C. Mao, P. L. Werner, Y. Chen, and D. H. Werner, "A Knotted Metamolecule with Axisymmetric Strong Optical Activity," Adv. Opt. Mater. 8, 2000948 (2020).
7. W. Mai, S. D. Campbell, E. B. Whiting, L. Kang, P. L. Werner, Y. Chen, and D. H. Werner, "Prismatic discontinuous Galerkin time domain method with an integrated generalized dispersion model for efficient optical metasurface analysis," Opt. Mater. Express 10, 2542–2559 (2020).
8. W. Mai, D. Zhu, Z. Gong, X. Lin, Y. Chen, J. Hu, and D. H. Werner, "Broadband transparent chiral mirrors: Design methodology and bandwidth analysis," AIP Adv. 9, 045305 (2019).
9. W. Mai, P. Li, H. Bao, X. Li, L. Jiang, J. Hu, and D. H. Werner, "Prism-based DGTD with a simplified periodic Boundary condition to analyze FSS with D2n symmetry in a rectangular array under normal incidence," IEEE Antennas Wirel. Propag. Lett. 18, 771–775 (2019).
10. W. Mai, W. Hao, P. Li, L. Liu, and J. Hu, "An improved 2D／3D hybrid discontinuous Galerkin time domain method," Chin. J. Radio Sci. 33, 33–40 (2018).
11. W. Mai, P. Li, C. G. Li, M. Jiang, W. Hao, L. Jiang, and J. Hu, "A straightforward updating criterion for 2-D/3-D hybrid discontinuous Galerkin time-domain method controlling comparative error," IEEE Trans. Microw. Theory Tech. 66, 1713–1722 (2018).
12. W. Mai, J. Hu, P. Li, and H. Zhao, "An efficient and stable 2-D/3-D hybrid discontinuous Galerkin time-domain analysis with adaptive criterion for arbitrarily shaped antipads in dispersive parallel-plate pair," IEEE Trans. Microw. Theory Tech. 65, 3671–3681 (2017).

Book Chapters and Journal Papers Under Review or In Preparation

1. Kang, Y. Wu, J. Xu, E. B. Whiting, S. D. Campbell, W. Mai, D. H. Werner, “Task-oriented Reconfigurable Metamaterials” in Metamaterials-by-Design: Theory, Technologies, and Vision, A. Alu, N. Engheta, A. Massa, and G. Oliveri, ed., ELSEVIER, in preparation.
2. Mai, J. Xu, D. H. Werner, “Electromagnetics Asymmetry Between Time and Space”, under review.
3. Mai, J. Xu, D. H. Werner, “Multi-stage Temporal Energy Pump”, under review.
4. Mai, D. Zhu, L. Kang, D. H. Werner, “Chiral Ball: Knot with Chirality and 3-D Rotational Symmetry”, in preparation.

International Conference Articles (Peer-reviewed)

1. Mai, S. D. Campbell, and D. H. Werner, "Can Knots Exhibit Both Chirality and Rotational Symmetry," in Fifteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials), New York, New York, September 2021.
2. Mai, J. Xu, and D. H. Werner, "Avoiding the Time-static Simplification in the Simulation of Time-varying Materials," in 2021 International Applied Computational Electromagnetics Society Symposium (ACES) (2021), pp. 1–3.
3. Mai, Y. Chen, and X. Lin, "Early Detection of Neurological Degenerative Diseases Based on the Protein Chirality Detection with Microwaves," in 2020 IEEE Asia-Pacific Microwave Conference (APMC) (2020), pp. 965–967.
4. Mai, S. D. Campbell, D. H. Werner, Y. Chen, and H. Bao, "Prism-based Discontinuous Galerkin Time Domain Analysis of Frequency Selective Surfaces in Lossy Water," in 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting (2020), pp. 1077–1078.
5. Ding, Y. Chen, W. Mai, and J. Hu, "An Improved Simultaneous Stage-wise Weak Orthogonal Matching Pursuit Algorithm for Microwave Brain Stroke Imaging," in 2020 IEEE International Conference on Computational Electromagnetics (ICCEM) (2020), pp. 85–87.
6. Mai, Y. Chen, M. Deng, J. Chen, and J. Hu, "A predictive criterion for 2D/3D DGTD method based on the CFL condition," in 2019 IEEE International Conference on Computational Electromagnetics (ICCEM) (2019), pp. 1–2.
7. Mai, W. Hao, C. Li, J. Hu, and P. Li, "2-D/3-D hybrid DGTD method with adaptive criterion controlling 2-D simplification error," in 2018 IEEE International Conference on Computational Electromagnetics (ICCEM) (2018), pp. 1–2.
8. Mai and J. Hu, "An efficient 2D/3D hybrid DGTD transient analysis for arbitrarily shaped anti-pads in power-ground plate-pair," in 2017 International Applied Computational Electromagnetics Society Symposium - Italy (ACES) (2017), pp. 1–2.
9. S. Cao, X. Wang, W. Mai, Y. Wang, L. Jiang, A. E. Ruehli, S. He, H. Zhao, J. Hu, J. Fan, and James. L. Drewniak, "Characterizing EMI radiation physics for edge-and broad-side coupled connectors," in 2017 IEEE International Symposium on Electromagnetic Compatibility Signal/Power Integrity (EMCSI) (2017), pp. 766–771.
10. Wang, Q. Wang, A. Liao, L. Chen, and W. Mai, "Design of a FSS filter with shorting stubs for compact E-plane duplexer application," in 2009 3rd IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (2009), pp. 1040–1042.

Invited Talks

1. Mai, “A Knotted Meta-molecule with Axisymmetric Strong Optical Activity,” in Materials Day 2021, Pennsylvania State University, USA, Sep. 2021.
2. Mai, “Transmission of Antireflection Temporal Coatings,” in Imperial College Workshop Series: Waves in Time-Varying Media, Online, Jun. 2021.
3. Mai, "Clinical Pathways for Microwave Imaging in China," in DeMoStroke – Stroke Detection Using Microwave Technology, King’s College London, United Kingdom, Mar. 2019.

Teaching

Courses Taught at Xichang University   (400hour/y, 40 undergraduate students)

• Electromagnetic Theory
• Microwave Engineering
• MATLAB coding

Students Advised

• D. Students:
• Jingwei Xu, 2019-Present.
• Benjamin Zerbe, 2020.
• Yahui Ding, 2018-2019.
• Master Students:
• Wenqu Hao, 2017-2019.
• Undergraduate Students:
• Supervise 5 bachelor theses in Xichang University, 2013-2015.
• Advice 30 high-GPA undergraduate students selected by the Elite Program of University of Electric Science and Technology of China, 2007-2010.

Service

• Reviewer:
• IEEE Transactions on Microwave Theory and Techniques
• IEEE Transactions on Electromagnetic Compatibility
• IEEE Antenna and Wireless Propagation Letters
• IEEE Access
• Journal of Applied Computational Electromagnetics Society
• Session Chair/Co-chair
• Advances in Electromagnetics of Complex Media and Metamaterials Session, at the 2021 International Applied Computational Electromagnetics Society Symposium (ACES), Aug. 2021.

Research Expertise and Interest

• Computational Electromagnetics
• Complex electromagnetic materials
• Time-varying electromagnetics
• Knot electromagnetics
• Metamaterials
• Microwave imaging