Journal Papers (chronologically)

^# corresponding author 

1. Q. Ren, L. E. Tobon, and Q. H. Liu, “A New 2D Non-Spurious Discontinuous Galerkin Finite Element Time Domain (DG-FETD) Method for Maxwell’s Equations,” Progr. Electromag. Res., vol. 143, pp. 385–404, 2013.

2. L. E. Tobon, Q. Ren, and Q. H. Liu, “Spectral-Prism Element for Multi-Scale Layered Package-Chip Co-Simulations Using the Discontinuous Galerkin Time-Domain Method,” Electromagnetics, vol. 34, no. 3-4, pp. 270–285, 2014.

3. L. E. Tobon, Q. Ren, Q. Sun, J. Chen and Q. H. Liu, "New Efficient Implicit Time Integration Method for DGTD Applied to Sequential Multidomain and Multiscale Problems," Progr. Electromag. Res., vol.151, pp. 1-8, 2015.

4. Q. Ren, L. E. Tobon, Q. Sun, and Q. H. Liu, “A New 3D Non-Spurious Discontinuous Galerkin Spectral Element Time Domain (DG-SETD) Method for Maxwell’s Equations,” IEEE. Trans. Antennas Propagat., vol. 63, no. 6, pp. 2585–2594, 2015. 

5. L. E. Tobon, Q. Ren, and Q. H. Liu, “A new efficient 3D Discontinuous Galerkin Time Domain (DGTD) Method for Large and Multiscale Electromagnetic Simulations,” J. Computat. Phys., vol. 283, pp. 374–387, 2015.

6. L. E. Tobon, Q. Ren, Q. Sun, J. Chen and Q. H. Liu, "New Efficient Implicit Time Integration Method for DGTD Applied to Sequential Multidomain and Multiscale Problems," Progr. Electromag. Res., vol.151, pp. 1-8, 2015.

7. Q. Sun, L. E. Tobon, Q. Ren, Y. Hu and Q. H. Liu, " Efficient Noniterative Implicit Time-Stepping Scheme Based on E and B Fields for Sequential DG-FETD Systems," IEEE Trans. Compon. Packag. Manuf. Technol., vol. 5, no. 12, pp. 1839-1849, 2015. 

8. Q. Ren, Q. Sun, L. E. Tobon, Q. Zhan and Q. H. Liu, "EB Scheme Based Hybrid SE-FE DGTD Method for Multiscale EM Simulations," IEEE. Trans. Antennas Propagat., vol. 64, no. 9, pp. 4088–4091, 2016. 

9. Q. Ren, J. Nagar, L. Kang, Y. Bian, P. L. Werner and D. H. Werner, “Efficient Wideband Numerical Simulations for Nanostructures with a Drude-Critical Points (DCP) Dispersive Model,” Sci. Rep., vol. 7, no. 2176.

10. Q. Ren, Q. Zhan and Q. H. Liu, "An Improved Subdomain Level Non-Conformal Discontinuous Galerkin Time Domain (DGTD) Method for Materials with Full-Tensor Constitutive Parameters," IEEE Photon. J., vol. 9, no. 2, pp.  1-13, 2017.

11. Q. Ren, Y. Bian, L. Kang, P. L. Werner and D. H. Werner, “Leap-Frog Continuous–Discontinuous Galerkin Time Domain Method for Nanoarchitectures With the Drude Model”, J. Lightwave Technol., vol. 35, no. 22, pp. 4888-4896, 2017.

12. Y. Bian+, Q. Ren+, L. Kang, Y. Qin, P. L. Werner and D. H. Werner, “Efficient Cross-talk Reduction of Nanophotonic Circuits Enabled by Fabrication Friendly Periodic Silicon Strip Arrays,” Sci. Rep., vol. 7, no. 15827, 2017. (Equally contributed)

13. L. Kang, Q. Ren and D. H. Werner. “Leveraging Superchiral Light for Coherent Manipulation of Optical Chirality in The Near-Field of Plasmonic Metamaterials,” ACS Photonics, vol. 4, no. 6, pp. 1298-1305, 2017.

14. J. Nagar, S. D. Campbell, Q. Ren, J. A. Easum, R. P. Jenkins and D. H. Werner, “Multi-Objective Optimization Aided Metamaterials-by-Design With Applications to Highly Directive Nano-Devices”, J. Multiscale and Multiphys. Comput. Techn., vol. 2, pp. 147-158,  2017.

15. Q. Zhan, Q. Ren, Q. Sun, H. Chen and Q. H. Liu, “Isotropic Riemann Solver for a Nonconformal Discontinuous Galerkin Pseudospectral Time-Domain Algorithm,” IEEE Trans. Geosci. Remote Sens. vol. 55, no. 3, pp. 1254-1261, 2017. 

16. Q. Zhan, M. Zhuang, Q. Sun, Q. Ren, Y. Ren, Y. Mao and Q. H. Liu, “Efficient Ordinary Differential Equation-Based Discontinuous Galerkin Method for Viscoelastic Wave Modeling,” IEEE Trans. Geosci. Remote Sens. vol. 55, no. 10, pp. 5577-5584, 2017.

17. Q. Zhan, Q. Sun, Q. Ren, Y. Fang, H. Wang and Q. H. Liu, “A Discontinuous Galerkin Method for Simulating the Effects of Arbitrary Discrete Fractures on Elastic Wave Propagation,” Geophys. J. Int.  vol. 210, no. 2, pp. 1219-1230, 2017.

18. Q. Sun, Q. Ren, Q. Zhan and Q. H. Liu, "3-D Domain Decomposition Based Hybrid Finite-Difference Time-Domain/ Finite-Element Time-Domain Method With Nonconformal Meshes," IEEE Trans. Microw. Theory Techn, vol. 65, no. 10, pp. 3682-3688, 2017.

19. Q. Sun, Q. Zhan, Q. Ren and Q. H. Liu, “Wave Equation-Based Implicit Subdomain DGTD method for Modeling of Electrically Small Problems,” IEEE Trans. Microw. Theory Techn, vol. 65, no. 4, pp. 1111-1119, 2017.

20. Q. Ren, H. Bao, S. D. Campbell, L. J. Prokopeva, A. V. Kildishev, and D. H. Werner, “Continuous-Discontinuous Galerkin Time Domain (CDGTD) Method With Generalized Dispersive Material (GDM) Model for Computational Photonics,” Optics Express., vol. 26, no. 22, pp. 29005–29016, 2018.

21. Y. Bian+, Q. Ren+, L. Kang, T. Yue, P. L. Werner and D. H. Werner, “Deep-Subwavelength Light Transmission in Hybrid Nanowire-Loaded Silicon Nano-Rib Waveguides,” Photonics Research, vol. 6, no. 1, pp. 37-45, 2018. (Equally contributed)

22. Y. Bian, L. Kang, Q. Ren, Y. Zheng, R. Engel-Herbert, P. L. Werner, and D. H. Werner, A. P. Jacob and A. Thomas, “Hybrid Vanadate Waveguiding Configurations for Extreme Optical Confinement and Efficient Polarization Management in The Near-Infrared,” Nanoscale, vol. 10, pp. 16667-16674, 2018. 

23. Q. Zhan, Q. Sun, M. Zhuang, Y. Mao, Q. Ren, Y. Fang, W. F. Huang, and Q. H. Liu, “A New Upwind Flux For a Jump Boundary Condition Applied to 3D Viscous Fracture Modeling,” Comput. Methods Appl. Mech. Eng., vol. 331, pp. 456-473, 2018. 

24. G. Chen, S. Yang, Q. Ren, S. Cui, and D. Su, “Numerical Dispersion Rreduction Approach For Finite-Difference Methods,” Electron. Lett., vol. 55, no. 10, pp. 591-593, 2019.

25. J. Nie, S. Yang, Q. Ren, and D. Su, "A Novel Classification Method Based on Adaboost for Electromagnetic Emission," ACES Journal, vol. 31, no. 6, pp.  962-969, 2019.

26. S. Qi, Y. Wang, Y. Li, X. Wu, Q. Ren# and Y. Ren, "2D Electromagnetic Solver Based on Deep Learning Technique," IEEE J. Multiscale Multiphys. Comput. Techn., vol. 5, pp. 83-88, 2020.

27. Y. Li, Y. Wang, S. Qi, Q. Ren#, L. Kang, S. D. Campbell, P. L. Werner and D. H. Werner, "Predicting Scattering From Complex Nano-Structures via Deep Learning," IEEE Access, vol. 8, pp. 139983-139993, 2020.

28. P. Wen, Q. Ren#, J. Chen, A. Chen and Y. Zhang, "Improved Memory Efficient Subdomain Level Discontinuous Galerkin Time Domain Method for Periodic/Quasi-periodic Structures," IEEE Trans. Antenna Propag., vol. 68, no. 11, pp. 7471-7479, 2020.

29. X. Mao, Y. Hang, Y. Zhou, J. Zhu, Q. Ren, J. Zhuo and Y. Cai, "Probing Composite Vibrational Fingerprints in the Terahertz Range with Graphene Split Ring Resonator," IEEE Photon. J., vol. 12, no. 5, pp.  1-9, 2020.  

30. S. Wang, S. Li, Y. Zhou, J. Huang, Q. Ren, J. Zhuo and Y. Cai, "Enhanced Terahertz Modulation Using a Plasmonic Perfect Absorber Based on Black Phosphorus," Applied Optics., vol. 59, no. 29, pp.  9279-9283, 2020.  

31. J. Mi, Q. Ren#, D. Su, "Parallel Subdomain Level DGTD Method With Automatic Load Balancing Scheme with Tetrahedral and Hexahedral Elements," IEEE Trans. Antenna Propag., vol. 69, no. 4, pp. 2230-2241, 2021.

32. Y. Ren, X. Zhao, Z. Lin, Q. Ren#, Y. Chen, Y. Liu, and H. Hu, "Efficient Simulation of Cuboid Object in Multiplanar Layered Medium by Improved Spectrum Integral Method," IEEE Trans. Geosci. Remote Sens.,vol. 59, no. 8, pp. 7086-7097, 2021.  

33. J. Qin, X. Fu, M. Sun, Q. Ren, and A. Chen, "Frequency Reconfigurable Antenna Based on Substrate Integrated Waveguide for S-band and C-band Applications," IEEE Access, vol. 9, pp. 2839-2845, 2021.

34. Y. Ren, D. Huang, B. Feng, Q. Ren#, H. Hu and J. Zhou, "A High Gain, Compact Active Disc-Cone Antenna Based on Non-Foster Matching Circuit," AEU-International Journal of Electronics and Communications, 2021.

35. Y. Ren, X. Zhao, Z. Lin, Q. Ren#, Y. Chen and Y. Liu, "Accurate Electromagnetic Simulation of Penetrable Objects by Higher Order Current and Charge Integral Equation," IEEE Trans. Antenna Propag. vol. 69, no. 8, pp. 5160-5165, 2021.

36. X. Han, X. Zhang, L. Wang, Y. Zhou and Q. Ren, "An efficient partial extrapolation BCGS-FFT method for solving electromagnetic scattering problems," Chinese Journal of Radio Science, vol. 36, no. 5, pp. 667-676, 2021.

37. D. Zhang, Q. Ren# and D. Su, "A Novel Authentication Methodology to Detect Counterfeit PCB using PCB Trace-based Ring Oscillator," IEEE Access, vol. 9, pp. 28525-28539.

38. Y. Ren, M. Zhu,  Q. Ren#, Y. P. Chen and Y. Liu, "Efficient Electromagnetic Modeling of Multidomain Planar Layered Medium by Surface Integral Equation," IEEE Trans. Microw. Theory Techn., vol. 69, no. 8, pp. 3635-3644, 2021.

39. J. Wen, Q. Ren#, R. Peng and Q. Zhao, "An all-dielectric metasurface absorber based on surface wave conversion effect," Appl. Phys. Lett., vol. 119, no. 062902, 2021. 

40 S. Wang, X. Wei, Y. Zhou, Q. Ren#, Y. Jia and Q. H. Liu, "High-Order Conformal Perfectly Matched Layer for the DGTD Method," IEEE Trans. Antenna Propag. vol. 69, no. 11, pp. 7753-7760, 2021.

41. Y. Xue, J. Mi, P. Wen, Q. Ren# and Y. Zhou, "Efficient Transient Thermal Analysis Based on Spectral Element Time Domain Method with Curvilinear Hexahedrons,"  Int. J. Numer. Model. El., vol. 34, no. 6, e2814, 2021.

42. Y. Xue, Q. Ren#, J. Chen and Y. Zhou, "Transient Electromagnetic-Thermal Cosimulation for Micrometer-Level Components," IEEE Trans. Microw. Theory Techn., vol. 69, no. 10, pp. 4341-4351, 2021.

43. Y. Wang, J. Zhou, Q. Ren, Y. Li and D. Su, "3-D Steady Heat Conduction Solver via Deep Learning," IEEE J. Multiscale Multiphys. Comput. Techn., vol. 6. pp. 100-108, 2021.

44. Y. Zhou, R. Huang, S. Wang, Q. Ren#, W. Zhang, G. Yang and Q. H. Liu, "An Adaptive DGTD Algorithm Based on Hierarchical Vector Basis Functions," IEEE Trans. Antenna Propag. vol. 69, no. 12, pp. 9038-9042, 2021.

45. D. Zhang,  Q. Ren# and D. Su, "On-Chip Structures for Fmax Binning and Optimization," Sensors, vol. 22, issue. 4, no. 1382, 2022.

46. Y. Wang and Q. Ren# , "A Versatile Inverstion Approach for Space/Temperature/Time-related Thermal Conductivity via Deep Learning Technique," Int. J. Heat Mass Transf., vol. 186, no. 122444, 2022. 

47. Y. Zhu, Y. Zhou. F. Javaid, Q. Ren and W. Liu, "Fast multi-physics approach in underwater exploration via deep learning technique," Electron. Lett., vol. 58, no. 5, pp. 200-202, 2022.

48. D. Hong, T. Chen, Q. He and Q. Ren, "Foundation of Ultradeep Boundary Detection Based on the Electric Field Characteristics,” IEEE Trans. Geosci. Remote Sens., vol. 60, no. 4501111, 2022. 

49. Q. Zhan, Y. Wang, Y. Fang, Q. Ren, S. Yang, W.-Y. Yin and Q. H. Liu, "An Adaptive High-Order Transient Algorithm to Solve Large-Scale Anisotropic Maxwell’s Equations," IEEE Trans. Antenna Propag., vol. 70, no. 3, pp. 2082-2092, 2022.

50. X. Wu and Q. Ren# , "DEH scheme DGTD based Transient Modeling Approach for the Cole–Cole Dispersive Media Using Tustin’s Method," IEEE Trans. Microw. Theory Techn., vol. 70, no. 4, pp. 2031-2039, 2022.

51. J. Wen, Q. Zhao, R. Peng, H. Yao, Y. Qing, J. Yin and Q. Ren#, “Progress in water-based metamaterial absorbers: a review,” Opt. Mater. Express, vol. 12, no. 4, pp. 1461-1479, 2022. 

52. K. Xu, D. Zhang, Q. Ren, Y. Cheng and P. Girard, “All-Spin PUF: An Area Efficient and reliable PUF Design with Signature Improvement for Spin-Transfer Torque Magnetic Cell-Based All-Spin Circuits,” ACM J. Emerg. Technol. Comput. Syst., early access.

53. Y. Wang, N. Wang and Q. Ren#, “Predicting surface heat flux on complex systems via Conv-LSTM,” Case Stud. Therm. Eng., vol. 33, no. 101927, 2022.

54. S. Tian, K. Wu and Q. Ren#, “Modeling of Metasurfaces Using Discontinuous Galerkin Time Domain Method Based on Generalized Sheet Transition Conditions,” IEEE Trans. Antenna Propag., vol. 70, no. 8, pp. 6905-6917, 2022.

55. J. Wen, Q. Ren#, R. Peng and Q. Zhao “Multi-functional tunable ultra-broadband water-based metasurface absorber with high reconfigurability,” J. Phys. D: Appl. Phys, vol. 55, issue 28, no. 285103, 2022.

56. J. Wen, Q. Ren#, R. Peng and Q. Zhao “Ultra-broadband Saline-based Metamaterial Absorber with Near Theoretical Absorption Bandwidth Limit,” IEEE Antennas Wirel. Propag. Lett., vol. 21, no. 7, pp. 1388-1392, 2022.

57. K. Wu, T. Shao and Q. Ren#, “A Vectorial Discontinuous Galerkin Time-Domain Method Incorporating Generalized Sheet Transition Conditions,” IEEE Trans. Microw. Theory Techn., vol. 70, no. 8, pp. 3765-2775, 2022.

58. Y. Zhou, J. Xie, Q. Ren, H. H. Zhang and Q. H. Liu, “Fast Multi-physics Simulation of Microwave Filters via Deep Hybrid Neural Network,” IEEE Trans. Antenna Propag., vol. 70, no. 7, pp. 5165-5178, 2022.

59. S. Wang, Q. Ren#, Y. Ren, X. Dang, Z. Hou, H. Yan, L. Li and H. Yin, “The Applications of the Symmetric Layered Medium Green’s Function in Magnetic Field Integral Equation,” IEEE Trans. Antenna Propag., vol. 70, no. 11, pp. 11223 - 11228, 2022.

60. D. Zhao, Y. Chen, Y. Wang, Y. Zhao, Z. Fu, J. Du, L. Wang, R. Cheng, Y. Zhen, H. Zhang, Y. Zhou# and Q. Ren#, “Electromagnetic-Thermal Analysis of FTU under the High-Power Electromagnetic Environment,” Electronics, vol. 11. No. 2528, 2022.

61. Y. Wang, H. Gao and Q. Ren^#, “Differential Operator Approximation Based Tightly Coupled Multiphysics Solver Using Cascaded Fourier Network,” Adv. Theory Simul., early access, no. 2200409, 2022.

62. X. Han, X. Shen, Y. Zhou, L. Wang, Q. Ren, Y. Cai and R. Abdi-Ghaleh “Terahertz Vibrational Fingerprints Detection of Molecules with Particularly Designed Graphene Biosensors,” Nanomaterials., vol. 12, no. 19, art. 3422, 2022.

63. J. Xie, Y. Zhou, B. Liang, Q. Ren and F. Javaid, “Efficient modeling approach for simulating multi-physics responses of an ion-sensitive field-effect transistor using artificial neural networks,” J. Comput. Electron., 2022.

64. J. Cao, Q. Ren^#, X. Dang, Z. Hou, H. Yan, L. Li and H. Yin, “Efficient Scattering Center Prediction Method for Targets With Coating Defects Through Deep Learning,” IEEE Trans. Microw. Theory Techn., vol. 70, no. 12, pp. 5319 - 5331, 2022.

Conference Papers and Presentations (chronologically)

1. Y. Wang; Y. Li; Q. Ren, “Mismatch Network in Active Radar Transponder,” The Asia-Pacific Conference on Synthetic Aperture Radar, 2009, Xi’an, China.  

2. Q. Ren; Y. Huang and J. Liu, “Mixed doppler compensation for near-field focused beamforming of forward looking sonar,” The 3rd International Conference on Image and Signal Processing, 2010, Yantai, China.

3. Q. Ren, L. E. Tobon, and Q. H. Liu, “A New Non-Spurious Discontinuous Galerkin Finite Element Time Domain Method.” The 2012 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting July 8 - 14, 2012, Chicago, IL, USA.

4. L. E. Tobon, Q. Ren, and Q. H. Liu, “A new efficient non-spurious 3D DG-FETD for large and multiscale electromagnetic systems,” The 2013 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 7 - 13, 2013, Orlando, FL, USA.

5. Q. Ren, L. E. Tobon, Q. Sun and Q. H. Liu, "The Hybrid SETD-FETD Method with Field Variables E and B." The 2014 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 6 - 11, 2014, Memphis, TN, USA. 

6. Q. Ren and Q. H. Liu, "New DG-SETD for 3D EM simulation." The 2014 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting July, 6 - 11, 2014, Memphis, TN, USA.

7. Q. H. Liu, Q. Ren, L. E. Tobon, Q. Sun, “New Discontinuous Galerkin SETD and FETD Methods for Multiscale Electromagnetics,” FEM 2014, 12th International Workshop on Finite Elements for Microwave Engineering, June 14 – 17, 2014, Chengdu, China.

8. Q. Ren and Q. H. Liu, “EB Scheme Hybrid Spectral-Finite Element Time Domain Method for Super Multiscale Simulation,” The 2015 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 19 - 25, 2015, Vancouver, BC, Canada.

9. Q. Ren, Q. Zhan and Q. H. Liu, “Discontinuous Galerkin Spectral Element/Finite Element Time Domain (DG SEFETD) Method for Anisotropic Medium,” The 2015 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 19 - 25, 2015, Vancouver, BC, Canada.

10. Q. Sun; Q. Ren and Q. H. Liu, “Efficient implicit-explicit CN-LF time integration scheme for hybrid FDTD-FETD.” The 2015 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 19 - 25, 2015, Vancouver, BC, Canada.

11. Q. Zhan, Q. Ren, Q. Sun, H. Chen and Q. H. Liu, “Discontinuous Galerkin pseudospectral time domain algorithm (DG-PSTD) with auxiliary ordinary differential equations perfectly matched layer (AODE-PML) for 3D seismic modelling.” SEG International Exposition and 85^th Annual Meeting, Oct 18 - 23, 2015, New Orleans, LA, USA.

12. Q. Sun, Q. Ren, Q. Zhan, Q. H. Liu, “A New 3D DGTD Method Hybridizing the Finite Element and Finite Difference Techniques with Non-Conformal Meshes,” FEM 2016, 13th International Workshop on Finite Elements for Microwave Engineering, May 16 – 18, 2016, Florence, Italy.

13. Q. Zhan, Q. Ren, Q. Sun, R. Zhang and Q. H. Liu, “Nodal Discontinuous Galerkin Pseudospectral Time Domain Method Applied to 3D Full Anisotropic Electromagnetics Simulation.” The 2016 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, June 26 – July 1, 2016, Rajordo, Puerto Rico. 

14. Q. Ren, Y. Bian, L. Kang, P. L. Werner and D. H. Werner, “An Efficient Wideband Numerical Simulation Technique for Nanostructures Comprised of DCP Media,” The 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 9 - 14, 2017, San Diego, CA, USA.

15. Q. Ren, Y. Bian, P. L. Werner and D. H. Werner, “Ultra-deep-subwavelength Light Transport in Hybrid Nanowire-loaded Silicon Nano-rib Waveguides,” The 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 9 - 14, 2017, San Diego, CA, USA.

16. Q. Ren, Y. Bian, L. Kang, P. L. Werner and D. H. Werner, “A Numerical Approach for Efficient Simulation and Design of Yagi-Uda Nanoantennas,” The 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 9 - 14, 2017, San Diego, CA, USA.

17. Y. Bian, Q. Ren, L. Kang, P. L. Werner and D. H. Werner, “Efficient Cross-talk Reduction of Nanophotonic Circuits Enabled by Periodic Silicon Strip Arrays,” The 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 9 - 14, 2017, San Diego, CA, USA.

18. Y. Bian, L. Kang, Q. Ren, P. L. Werner and D. H. Werner, “Ultra-compact Broadband TE-pass Polarizer Based on Vanadate-nanowire-integrated SOI Waveguides,” The 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 9 - 14, 2017, San Diego, CA, USA.

19. L. Kang, L. Liu, S. Campbell, T. Yue, Q. Ren, T. Mayer and D. H. Werner, “A Vanadium Dioxide Integrated Hybrid Metamaterial with Electrically Driven Multifunctional Control,” The 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 9 - 14, 2017, San Diego, CA, USA.

20. L. Kang, S. Beohm, T. Yue, Q. Ren, C. Keating and D. H. Werner, “Reconfigurable Nanowire Assembly Enabled Field-Switchable Broadband Polarizers,” The 2017 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 9 - 14, 2017, San Diego, CA, USA.

21. L. Kang, L. Liu, S. D. Campbell, T. Yue, Q. Ren, T. S. Mayer and D. H. Werner, “Electrically Driven Hybrid Photonic Metamaterials for Multifunctional Control,” Active Photonic Platforms IX, pp. 103451G, 2017.

22. Q. Zhan, M. Zhuang, Q. Sun, Q. Liu and Q. Ren, “Domain Decomposition: 3D Full-Anisotropy Coupling Solver," SEG Technical Program Expanded Abstracts 2017, pp. 326-331.

23. Q. Ren, D. Su, Y. Bian, L. Kang, J. Nagar, P. L. Werner and D. H. Werner, “Efficient Simulation and Optimization of Nanoloop Antennas,” 2018 ACES-China, Jul. 29 – Aug. 1, 2018, Beijing, China. (invited)

24. Q. Ren, D. Su, H. Bao, S. D. Campbell, P. L. Werner and D. H. Werner, “DGTD Method Incorporating a Universal Dispersion Model for Nanoarchitectures,” 2018 ACES-China, Jul. 29 – Aug. 1, 2018, Beijing, China.

25. J. Nie, S. Yang, Q. Ren and D. Su, “A Novel Classification Method Based on Adaboost For Electromagnetic Emission Characteristics,” 2018 ACES-China, Jul. 29 – Aug. 1, 2018, Beijing, China. (invited).

26. L. Kang, Q. Ren, S. D. Campbell, T. Yue and D. H. Werner, “Manipulating Optical Chirality in the Near-Field of Plasmonic Metamaterials with Superchiral Light,” The 2018 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 8 - 13, 2018, Boston, MA, USA.

27. Q. Ren and D. Su, “Modeling Plasmonic Architectures Using Continuous-Discontinuous Galerkin Time Domain (CDGTD) Method with Generalized Dispersive Material (GDM) Model,” The 2019 IEEE International Conference on Computational Electromagnetics (ICCEM), Mar. 20-22, 2019, Shanghai, China.

28. Q. Ren and D. Su, “Efficient Simulation and Optimization of Nanoloop Antennas,” The 2019 IEEE International Conference on Computational Electromagnetics (ICCEM), Mar. 20-22, 2019, Shanghai, China.

29. S. Zeng, J. Chen, B. Zhu, and Q. Ren, “A Nonlinear DG-FETD Scheme Based on Parametric Variational Principle,” The 2019 IEEE International Conference on Computational Electromagnetics (ICCEM), Mar. 20-22, 2019, Shanghai, China.

30. J. Mi, and Q. Ren, “Parallel Subdomain Level DGTD Method with Load Balancing,” The 2019 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 7 - 12, 2019, Atlanta, GA, USA.

31. Q. Ren, B. Zhu, and J. Chen, “DGTD Using Parametric Variational Principle for Nonlinear Electromagnetic Simulations,” The 2019 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 7 - 12, 2019, Atlanta, GA, USA.

32. Y. Xue, Q. Ren, and Y. Zhou, “Transient Thermal Analysis Based on Spectral Element Time Domain Method,” The 2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), July 18 - 22, 2019, Taiyuan, China.

33. P. Wen, Q. Ren, and D. Su, “The Lattice Discontinuous Galerkin Finite-Element Time-Domain Method for Patch Antenna Arrays,” The 2019 National Conference on Antenna (NCANT2019), July 23 - 25, 2019, Kunming, China.

34. D. Zhang, Y. Han and Q. Ren, "A novel Authorization Methodology to Prevent Conterfeit PCB/Equipment through Supply Chain," 2019 IEEE 4th International Conference on Integrated Circuits and Microsystems (ICICM), Oct. 25-27, 2019, Beijing, China

35. J. Meng and Q. Ren, "A New Hardware Trojan Detection System Based on CRON," 2019 IEEE 4th International Conference on Integrated Circuits and Microsystems (ICICM), Oct. 25-27, 2019, Beijing, China

36. Q. Ren, and J. Mi, “Parallel Subdomain Level DGTD Method with Automatic Load Balancing,” PIERS 2019 Xiamen, Dec. 17 - 20, 2019, Xiamen, China.

37. Q. Ren “The Discontinuous Galerkin Time Domain Method for Computational Plasmonics,” PIERS 2019 Xiamen, Dec. 17 - 20, 2019, Xiamen, China.

38. P. Wen, Q. Ren, and J. Chen, “The Memory Efficient Discontinuous Galerkin Finiteelement Time-domain Scheme for Periodic/Aperiodic Structures,” PIERS 2019 Xiamen, Dec. 17 - 20, 2019, Xiamen, China.

39. Z. H. Jiang, F. Wu, X. W. Zhu, Q. Ren, P. L. Werner and D. H. Werner, "Metasurface-Based Circularly-Polarized Multibeam Reflect-/Transmit-Arrays," 2020 14th European Conference On Antenna and Propagation (EuCAP), Mar. 15-20, Copenhagen, Denmark.

40. P. Wen, Q. Ren, A. Chen, Y. Zhang and J. Chen, "Electromagnetic Simulation of Periodic Structures Using Memory Efficient DGTD method," 2020 IEEE International Conference on Computational Electromagnetics (ICCEM), Aug. 24-26, 2020, Singapore.

41. R. Huang, X. Wei, Y. Zhou and Q. Ren, "Adaptive DGTD Method With Hierarchical Vector Basis Functions," 2020 IEEE 3rd International Conference on Electronic Information and Communication Technology, Nov. 13-15, 2020, Shenzhen, China.

42. Q. Ren, P. Wen, D. Su and Y. Zhou, "Low Memory Full-Wave Electromagnetic Analysis of Perioidc/Quasi-Periodic Patch Antenna Arrays," 2020 Cross Strait Radio Science & Wireless Technology Conference, Dec. 13-16, Fuzhou, China. (invited)

43. N. Wang, Y. Wang, Q. Ren, Y. Zhao and J. Jiao, "Non-linear Heat Conduction Inversion Method Based on Deep Learning," 2021 ACES-China, Jul. 28-31, Chengdu, China.

44. Y. Xue, Q. Ren, D. Zhao, Y. Wang, J. Shao, Y. Chen and Y. Zhao, "Application of Current Source Ports in the Transient Electrothermal Coupling Algorithm," 2021 International Applied Computational Electromagnetics Society (ACES) Symposium, Aug. 1-5, 2021, online.

45. X. Wu and Q. Ren, “A Weak Form Electromagnetic Transient Simulation Approach for Cole-Cole Medium,” 2021 International Applied Computational Electromagnetics Society (ACES) Symposium, Aug. 1-5, 2021, Online.

46. Y. Wang and Q. Ren, “Sophisticated Electromagnetic Scattering Solver Based on Deep Learning,” 2021 International Applied Computational Electromagnetics Society (ACES) Symposium, Aug. 1-5, 2021, Online.

47. C. Li, Q. Ren, X. Wei, R. Huang and Y. Zhou, “Hierarchical Basis Function Based DGTD Method with Conformal PML to Analyze Electromagnetic Scattering Problem,” 2021 Cross Strait Radio Science and Wireless Technology Conference, Oct. 11-13, Shenzhen, China. (Best Paper Shortlist)

48. D Zhang, Q. Ren and D. Su, “An On-chip Path Delay Measurement Sensor for Aging Monitoring,” 2021 IEEE 14th International Conference on ASIC (ASICON), Oct. 26-29, Kunming, China, Online.

49. Y. Wang, Y. Li, S. Qi and Q. Ren, “Electromagnetic Scattering Solver for Metal Nanostructures via Deep Learning,” PIERS 2021, Nov. 22nd, 2021, Hangzhou, China. (SC1: Best Student Paper 3^rd Prize)

50. H. Cao, J. Cao and Q. Ren, “A Method to Obtain Deep Neural Network for Predicting ISAR Images of Coated Cylinders with Defect,” 2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (IEEE iWEM2021), Nov. 28-30, 2021, Guangzhou, China.

51. X. Wu and Q. Ren, “DGTD Modeling of Transient Wave Propagation in Cole-Davidson Media,” 2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (IEEE iWEM2021), Nov. 28-30, 2021, Guangzhou, China.

52. Q. Ren, “Subdomain Level DGTD Method for Aperiodic Arrays,” 2021 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (IEEE iWEM2021), Nov. 28-30, 2021, Guangzhou, China. (invited)

53. S. Tian, K. Wu and Q. Ren, “Discontinuous Galerkin Time Domain Method for Simulation of Curved Metasurfaces,” 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Dec. 4-10, 2021, Marina Bay Sands, Singapore.

54. H. Gao, Y. Wang and Q. Ren, “Time-domain Inversion Cascade Network (TICaN) for Sophisticated Scatters,” The 13^th International Symposium on Antennas, Propagation and EM Theory (ISAPE 2021), Dec. 1-4, 2021, Zhuhai, China.

55. Y. Wang, H. Gao and Q. Ren, “Cascaded Network for Inversion of Electrical Conductivity in High Noise Environment,” The 13^th International Symposium on Antennas, Propagation and EM Theory (ISAPE 2021), Dec. 1-4, 2021, Zhuhai, China.

56. J. Wang, Q. Ren and F. Dai, “3-D Finite-Difference Time-Domain (FDTD) / Wave Equation Finite Element Time-Domain (WE-FETD) Method,” The 13^th International Symposium on Antennas, Propagation and EM Theory (ISAPE 2021), Dec. 1-4, 2021, Zhuhai, China.

57.  J. Cao, H. Cao, Q. Ren, X. Dang, Z. Hou, L. Li and H. Yin, “Fast ISAR Image Prediction for Targets with Coating Defects Through Deep Learning,” 2021 CIE International Conference on Radar, Dec. 15-20, 2021, Haikou, China.

58. J. Wen, Q. Ren, R. Peng and Q. Zhao, “Surface Wave Conversion for Enhanced, Robust and Wide-Angle Absorption,” The 13^th International Symposium on Antennas, Propagation and EM Theory (ISAPE 2021), Dec. 1-4, 2021, Zhuhai, China.

59. S. Wang, Q. Ren, X. Dang and Z. Hou, “The Derivation and Application of a Symmetry Relationship in Layered Medium Green's Function for Surface Integral Equation,” PIERS 2022, Apr. 25-27, 2022, Hangzhou, China.

60. Y. Wang and Q. Ren, “Inversion of Sophisticated Thermal Conductivity via Deep Learning,” PIERS 2022, Apr. 25-27, 2022, Hangzhou, China.

61. Q. Ren, S. Tian and K. Wu, “Temporal Simulation of Arbitrarily Curved Metasurface with GSTCs Based DGTD Method,” PIERS 2022, Apr. 25-27, 2022, Hangzhou, China.

62. K. Wu and Q. Ren, “A GSTCs Enhanced vectorial DGTD Scheme for the Modeling of Nonlinear and Conformal Metasurfaces,” The 2022 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 10 - 15, 2022, Denver, CO, USA. (Honorable Mention)

63. S. Tian and Q. Ren, “Efficient DGTD-GSTC Modeling of Arbitrarily Curved Metasurfaces,” The 2022 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 10 - 15, 2022, Denver, CO, USA. (Honorable Mention)

64. Y. Wang and Q. Ren, “Noise Resistant Time-domain Inversion via Cascaded Network for Human Tissues,” The 2022 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 10 - 15, 2022, Denver, CO, USA.

65. Q. Ren, “Time Domain Simulation Methods for Conformal Metasurfaces,” The 17th Chinese National Symposium on Radio Propagation (CNSRP2022), Aug. 17-20, 2022, Yan’an, China. (invited)

66. R. Zhang, Y. Zhou, B. Liang and Q. Ren, “Reverse Time Migration of EM Wave Based on Divided-Order Multiples,” 2022 IEEE 5th International Conference on Electronic Information and Communication Technology, Aug. 21-23, Hefei, China.

67. L. Wang, Y. Zhou, B. Liang and Q. Ren, “A Discontinuous Galerkin Time Domain Method for Solving Drude Dispersive Models,” 2022 IEEE 5th International Conference on Electronic Information and Communication Technology, Aug. 21-23, Hefei, China.

68. A. Cui, D. Zhang, Q. Ren and D. Su, “A Novel Dual Logic Locking Method to Prevent Counterfeit IP/IC,” 2022 IEEE International Test Conference in Asia (ITC-Asia), Aug. 24-26, 2022, Taipei.

69. Q. Ren, Yinpeng Wang and Jianing Cao, “Application of Deep Learning Technique in Forward and Inverse EM and Heat Conduction Problems,” 2022 Asia-Pacific International Symposium on Electromagnetic Compatibility & Technical Exhibition, Sept. 1-4, 2022, Beijing.

70. F. Zhang, D. Zhang, Z. Peng, Q. Ren, A. Chen and D. Su, “Hardware Trojan Recognition Based on Radiated Emission Characteristics,” 2022 Asia-Pacific International Symposium on Electromagnetic Compatibility & Technical Exhibition, Sept. 1-4, 2022, Beijing.

71. S. Wang and Q. Ren, “Accurate Integration Strategy of the Magnetic Field Integral Equation in Layered Medium,” 2022 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Dec. 10-12, 2022, Xuzhou.

72. J. Wen, Q. Ren, Y. Qi, R. Peng, H. Li and Q. Zhao “Optically Transparent Broadband All-Dielectric Water-Based Metasurface Microwave Absorber Based on Composited Cylindrical Structure,” 2022 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Dec. 10-12, 2022, Xuzhou.

73. Y. Wang, H. Gao and Q. Ren, “Electrothermal coupling solver based on cascaded Fourier network,” 2022 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Dec. 10-12, 2022, Xuzhou.

74. X. Sun, B. Du, Y. Wang and Q. Ren, “Electromagnetic Solver for Irregular Region Based on Graph Neural Network,” 2022 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Dec. 10-12, 2022, Xuzhou. (invited)

75. C. Zhang, Y. He, H. Gao, Y. Wang and Q. Ren, “Deep Learning Enabled Inverse Design and Optimization of the Frequency Selective Surface (FSS),” 2022 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Dec. 10-12, 2022, Xuzhou. (Student Paper Contest: Honorable Mention)

76.  H. Gao, Y. Wang and Q. Ren, “Deep Learning Based Pixelized Forward Simulator and Inverse Designer of the Frequency Selective Surface,” 2022 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Dec. 10-12, 2022, Xuzhou. (Student Paper Contest: Honorable Mention)

77. K. Wu and Q. Ren, “A New Numerical Flux for the DGTD-GSTC Method in Simulation of Metasurfaces,” 2022 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Dec. 10-12, 2022, Xuzhou. (Student Paper Contest: 2^nd Prize)

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