[42] S. Lv, J. Li, Y. Cao, S. Yan, and J. Chen, "SLM Printed Roll-Off Enhanced Wideband Millimeter-Wave ALTSA Array Based on Waveguide Mode Converter and Metallic Split Ring Resonator," IEEE Trans. Antennas Propag., 2026, Early Access..

[41] K. Zhang, D. Zhou, G. Cai, S. Wang, Y. Cao, and S. Yan, "A Dual-Polarized Metasurface with Angle-Selective Character in Elevation Plane and Stability in Azimuth Plane," Opt. Laser Technol., vol. 200, p. 115213, 2026.

[40] W. Zhang, J. Li, Y. Cao, Y. Song, and S. Yan, "An SIW-Based Leaky-Wave Antenna with Wide Beam Scanning and Low Cross Polarization," IEEE Antennas Wireless Propag. Lett., vol. 25, no. 3, pp. 999–1003, Mar. 2026.

[39] R. Wang, Y. Cao, M. Zhang, X. Wang, C. Yang, and Y. Zhu, "Design of Dual-Band Metamaterial Filter With Manipulated Electromagnetic Characteristics Aided by Grey Wolf Algorithms," Phys. Scr., vol. 101, no. 3, p. 035506, Jan. 2026.

[38] Z. Bian, Y. Cao, and S. Yan, "V-Band Low-Cost and Low-Profile 2-D Scanning Antenna Based on Modified Rotman Lens," IEEE Antennas Wireless Propag. Lett., vol. 25, no. 1, pp. 124–128, Jan. 2026.

[37] H. Ren, Y. Cao, J. Chen, and S. Yan, "An Alternative Substructure Characteristic Mode Formulation for Slot Antennas," IEEE Trans. Antennas Propag., vol. 73, no. 12, pp. 10304–10317, Dec. 2025.

[36] M. Chen, L. Chang, Y. Cao, S. Yan, and A. Zhang, "Simultaneous Enhancements of Bandwidth and Isolation of Frame Monopoles Utilizing Elongated Back Cover Patches for Smartphones," IEEE Trans. Antennas Propag., vol. 73, no. 12, pp. 10791–10796, Dec. 2025.

[35] H. Ren, B. Wang, Y. Cao, J. Li, and S. Yan, “Design of a Dual-Fed Triple-Band Circularly Polarized Microstrip Patch Antenna Using Substructure Characteristic Mode,” IEEE Antennas Wireless Propag. Lett., vol. 24, no. 9, pp. 3089–3093, Sep. 2025.

[34] B. Chi, Z. Lai, S. Wu, Y. Cao, and J. Li, “A 3D-Printed S-Band Corrugated Horn Antenna with X-Band RCS Reduction,” Appl. Sci., vol. 15, no. 22, p. 11921, 2025

[33] H. Ren, Y. Cao, C. Niu, J. Chen, and S. Yan, “A Novel Decoupling Technique for Two Patch Antennas Using Two Pairs of Characteristic Modes,” IEEE Antennas Wireless Propag. Lett., vol. 24, no. 8, pp. 2602–2606, Aug. 2025.

[32] K. Zhang, C. Du, Y. Cao, S. Yan, and D. Zhou, “Via-Free Dual-Polarized Angle-Selective Surface,” IEEE Antennas Wireless Propag. Lett., vol. 24, no. 8, pp. 2317–2321, Aug. 2025.

[31] Y. Cao, S. Wu, J. Zhang, J. Li, and S. Yan, “Compact 2-D Passive Beam-Scanning Multibeam Antenna Based on Rotman Lens and Mechanical Sweeping Phase Gradient Metasurface,” IEEE Trans. Antennas Propag., vol. 73, no. 7, pp. 4993–4998, July 2025.

[30] S. Wu, J. Li, J. Yao, Y. Cao, and K.-D. Xu, “A Sequential Rotation Filtering Network for High Circular Polarization Purity Antenna Array,” IEEE Microw. Wireless Technol. Lett., vol. 35, no. 4, pp. 428–431, Apr. 2025.

[29] P. Lu, J. Gong, X. Liu, Y. Cao, A. Zhang, and S. Yan, "ITO Meta-Absorber-Loaded Conformal UHF Monopole Antenna with Wide-Angel RCS Reduction," Materials, vol. 18, no. 6, pp. 1379-1389, 2025.

[28] J. Li, S. Wu, Z. Li, Y. Cao*, and K.-D. Xu, “3D-Printed OAM Beam Generator with Enhanced Out-Of-Band Gain Filtering Characteristic,” Opt. Express, vol. 32, no. 26, pp. 47285-47295, Dec. 2024.

[27] S. Wu, J. Li, J. Yao, Y. Cao, and S. Yan, “3D Printed Millimeter-Wave Filtering Monopulse Comparator for Dual-Circularly Polarized Antenna,” IEEE Antennas Wireless Propag. Lett., vol. 23, no. 12, pp. 4797-4801, Dec. 2024.

[26] S. Wu, J. Li, J. Yao, Y. Cao, Y. Li, and X. Y. Zhang, “3-D-Printed Ka-Band Circularly Polarized Monopulse Antenna Array With High Gain and Low Axial Ratio,” IEEE Trans. Antennas Propag., vol. 72, no. 11, pp. 8282–8293, Nov. 2024.

[25] X. Liu, Y. Cao, J. Li, and S. Yan, “Negative Cable Effect Shield Omnidirectional Antenna Based on Radiation Pattern Synthesis,” IEEE Antennas Wireless Propag. Lett., vol. 23, no. 10, pp. 3143–3147, Oct. 2024.

[24] D. Wang, K.-D. Xu, Y. Cao, C. Guo, and S. Yan, “A Butler Matrix-Based Multibeam W-Band Slot Antenna Array Fabricated by Metal Additive Manufacturing Technology,” IEEE Trans. Antennas Propag., vol. 72, no. 6, pp. 5349–5354, Jun. 2024.

[23] J. Li, S. Wu, Z. Li, Y. Cao, and S. Yan, “Robust broadband dual-polarized rectenna with high conversion efficiency,” AEU - Int. J. Electron. Commun., vol. 179, p. 155294, May 2024.

[22] S. Wu, J. Li, J. Wang, Y. Cao, and H. Zhou, “Millimeter-Wave 3D-Printed Filtering Power Divider with High Frequency Selectivity and Enhanced Heat Dispersion,” AEU - Int. J. Electron. Commun., vol. 177, no. 1, p. 55200, Apr. 2024.

[21] J. Li, S. Wu, Y. Cao, X. Chen, Y. Li, and X. Zhang, “SLM Printed Millimeter-Wave Multibeam Antenna Array Based on Filtering Butler Matrix,” IEEE Trans. Antennas Propag., vol. 72, no. 4, pp. 3813 - 3818, Apr. 2024.

[20] Y. Cao, J. Zhang, Z. Yang, S. Wu, J. Li, and S. Yan, “Gain and Mode Purity Filtering Dual Polarized OAM Beam Generation Using Cavity Waveguide-based 3D Transmitarray,” J. Phys. D: Appl. Phys., vol. 57, no. 24, pp. 245101, Mar. 2024.

[19] W. Liu, Y. Cao, J. Chen, and S. Yan, “Design of a Low-Profile Dual-Band Shared-Aperture Circularly Polarized Phased Array,” IEEE Antennas Wireless Propag. Lett., vol. 23, no. 2, pp. 543-547, Feb. 2024.

[18] Y. Cao, W. Wu, S. Wu, J. Li, and S. Yan, “Cavity-Filter-Based 3-D-Printed Gain-Filtering Transmitarray for Multibeam Applications,” IEEE Trans. Antennas Propag., vol. 71, no. 12, pp. 9685-9695, Dec. 2023.

[17] 周子源, 曹元熙, 闫森. 基于圆极化漏波阵的罗特曼透镜多波束天线设计. 空间电子技术, 20.04(2023): 77-83.

[16] 吴思凡, 李建星, 曹元熙, 闫森, 陈娟. 一种Ka波段高增益磁电偶极子滤波阵列天线设计. 无线电工程, 53.08(2023): 1752-1759.

[15] P. Feng, B. Huang, Y. Cao, J. Chen, and S. Yan, “A Novel Compact Broadband SIW Six-Port Junction for Angle-of-Arrival Applications,” IEEE Trans. Instrum. Meas., vol. 72, pp. 1-8, 2023, Art. no. 8003308.

[14] Y. Cao, S. Yan, W. Liu, and J. Li, “A Wideband Multi-Beam Pillbox Antenna Based on Differentially Fed Leaky-Wave Array,” IEEE Antennas Wireless Propag. Lett., vol. 22, no. 3, pp. 512-516, Mar. 2023.

[13] Y. Cao, S. Yan, S. Wu, and J. Li, “3D Printed Multi-Beam OAM Antenna Based On Quasi-Optical Beamforming Network,” IEEE/OSA J. Lightw. Technol., vol. 41, no. 7, pp. 2196-2204, 1 Apr. 2023.

[12] Y. Cao, S. Yan, and J. Chen, “A SIW Pillbox based Compact Dual-Polarized Multi-Beam Antenna with 2-D Beam Scanning Capability,” IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 70, no. 1, pp. 116-120, Jan. 2023.

[11] 吴思凡, 李建星, 曹元熙, 闫森, 陈娟. 一种Ka波段集成化滤波功分器设计.无线电工程. 52.11(2022):2081-2086.

[10] Y. Cao, S. Yan, W. Liu, and J. Li, “Generation of Multi-OAM Beams Using Compact Dual-Mode Source and 3D-Printed Luneburg Lens,” Opt. Express, vol. 30, no. 23, pp. 41181-41195, Nov. 2022.

[9] W. Wu, B. Liu, P. He, W. Wen, H. Yang, Y. Cao, A. Zhang, and C. Guo, “A W-Band GSG Probe Fabricated by Metal Additive Manufacturing,” IEEE Trans. Instrum. Meas., vol. 71, pp. 1-10, 2022, Art. no. 8006610.

[8] S. Wu, J. Li, Y. Cao, S. Yan, K. Xu, and H. Luyen, “Three-Dimensional Printed, Dual-Band, Dual-Circularly Polarized Antenna Array Using Gap Waveguide Technology,” Appl. Sci., vol. 12, no. 21, p. 10704, Oct. 2022.

[7] Y. Cao, G. A. E. Vandenbosch, and S. Yan, “Low-Profile Dual-Polarized Multi-Beam Antenna Based on Pillbox Reflector and 3D-Printed Ridged Waveguide,” IEEE Trans. Antennas Propag., vol. 70, no. 9, pp. 7578-7591, Sep. 2022. (获APS热点论文)

[6] Y. Cao, S. Yan, J. Li, and J. Chen, “A Pillbox Based Dual Circularly-Polarized Millimeter-Wave Multi-Beam Antenna for Future Vehicular Radar Applications,” IEEE Trans. Veh. Technol., vol. 71, no. 7, pp. 7095-7103, Jul. 2022.

[5] Y. Cao, P. Feng, and S. Yan, “Design of a Pattern Reconfigurable Antenna for Wide-Angle Scanning Phased Array Applications,” Microw. Opt. Technol. Lett., vol. 64, no. 5, pp. 953-961, May. 2022. (获MOTL年度高下载论文)

[4] 曹元熙, 李建星, 闫森. 基于电调超表面及柱面反射面的相控阵天线设计. 无线电工程. 52.02(2022):303-308.

[3] Y. Cao and S. Yan, “A Dual-Mode SIW Compact Monopulse Comparator for Sum and Difference Multibeam Radar Applications,” IEEE Microw. Wireless Compon. Lett., vol. 32, no. 1, pp. 41-44, Jan. 2022.

[2] Y. Cao and S. Yan, “A Low-Profile High-Gain Multi-Beam Antenna Based on 3D-Printed Cylindrical Luneburg Lens,” Microw. Opt. Technol. Lett., vol. 63, no. 7, pp. 1965-1971, Jul. 2021. (获MOTL年度高下载论文)

[1] Y. Cao and S. Yan, “Multi-Beam SIW Leaky-Wave Antenna with 2-D Beam Scanning Capability for Millimeter-Wave Radar Applications,” Int. J. RF Microw. Comput. Aided Eng., vol. 31, no. 5, p. e22600, May. 2021. (获MMCE年度高引论文)

[33] Y. Cao, W. Hou, J. Gao, S. Wu, and S. Yan, “Sub-THz 2-D beam scanning SSPP leaky-wave antenna based on series feeding network,” 2025 18th IEEE United Conf. Millimeter Waves Terahertz Technol. (UCMMT), Nanjing, China, 2025.

[32] Z. Bian, Y. Cao, and S. Yan, “A two-dimensional scanning antenna based on metamaterial Luneburg lens in terahertz band,” 2025 Photonics Electromagn. Res. Symp.-Spring (PIERS-Spring), Abu Dhabi, UAE, 2025.

[31] Z. Lai, K. Zhang, D. Cui, S. Wu, Y. Cao, and J. Li, “All-metal S-band antenna array with RCS reduction in the X-band,” 2025 Int. Conf. Microwave Millimeter-Wave Technol. (ICMMT), Xi’an, China, 2025.

[30] Y. Cao, M. Zheng, S. Wu, J. Li, and S. Yan, “2-D beam scanning multi-beam antenna based on Rotman lens and mechanical sweeping metasurface,” 2025 Int. Conf. Microwave Millimeter-Wave Technol. (ICMMT), Xi’an, China, 2025.

[29] W. Wu, Q. He, Y. Zhe, C. Lu, Q. Sun, Q. Sun, and Y. Cao, “A compact dual-polarized antenna for dielectric logging instruments,” 2025 IEEE MTT-S Int. Wireless Symp. (IWS), Xi’an, China, 2025.

[28] W. Wu, Q. He, Y. Zhe, C. Lu, Q. Sun, Q. Sun, and Y. Cao, “A dual-polarized multi-spacing antenna array for dielectric logging,” 2025 IEEE MTT-S Int. Wireless Symp. (IWS), Xi’an, China, 2025.

[27] W. Hou, Y. Cao, J. Gao, C. Guo, and S. Yan, “Multi-beam Luneburg antenna design for THz applications,” 2025 IEEE Int. Workshop Electromagn.: Appl. Student Innovation Competition (iWEM), Hong Kong, 2025.

[26] Y. Cao, W. Hou, J. Gao, S. Wu, J. Li, and S. Yan, “THz multi-frequency-scanning-beam antenna based on copper additive manufacturing,” 2025 IEEE Int. Workshop Electromagn.: Appl. Student Innovation Competition (iWEM), Hong Kong, 2025.

[25] Y. Wen, J. Li, S. Wu, and Y. Cao, “Millimeter wave all-metal leaky-wave antenna with wide-angle beam scanning range,” 2025 IEEE Int. Workshop Radio Freq. Antenna Technol. (iWRF&AT), Shenzhen, China, 2025.

[24] W. Zhang, Y. Cao, S. Yan and J. Li. Planar Conical Beam Leaky-Wave Antenna with High Scanning Rate and Out-of-Roundness. 2024 IEEE 10th International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications (MAPE), Guangzhou, China, 2024.

[23] X. Liu, Y. Cao, P. Lu, and S. Yan. An Ultra-Wideband Omni-directional Antenna Works in the VHF and UHF Frequency. 2024 Proc. International Applied Computational Electromagnetics Society Symposium (ACES-China), Xi'an, China, 2024.

[22] S. Yan and Y. Cao. Design of Phased Array Antenna Based on Electronically Reconfigurable Metasurface and Cylindrical Reflector. 2024 Proc. IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, 2024.

[21] Y. Cao, S. Yan, and J. Zhang. A Compact High-gain Rotman Lens Multibeam Antenna with Low Crossover Level and Sidelobe. 2024 Proc. Photonics & Electromagnetics Research Symposium (PIERS), Chengdu, China, 2024.

[20] D. Wang, Y. Cao, C. Guo, K.-D. Xu, and S. Yan. A Butler Matrix Based Multi-beam Antenna Array Fed by GSG Probe in W-band. 2024 Proc. Photonics & Electromagnetics Research Symposium (PIERS), Chengdu, China, 2024.

[19] W. Zhang, Y. Cao, J. Li, S. Yan, and J. Chen. Conical Beam Scanning Antenna Based on Leaky Wave Antenna Technology. 2024 Proc. Photonics & Electromagnetics Research Symposium (PIERS), Chengdu, China, 2024.

[18] S. Wu, J. Li, W. He, Y. Cao, S. Yan, and J. Chen. A Ka-Band All-Metal Multibeam Antenna Array Fed by Filtering Butler Matrix. 2023 Proc. IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Chengdu, China, 2023.

[17] Y. Cao, Y. Chen, S. Yan. Pillbox Reflector based Low-Profile Millimeter-Wave Shared Aperture Dual-Polarized Multi-Beam Antenna. 2023 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Qingdao, China, 2023.

[16] S. Wu, J. Li, W. He, Y. Cao, S. Yan, J. Chen. A Ka-Band All-Metal Multibeam Antenna Array Fed by Filtering Butler Matrix. 2023 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Chengdu, China, 2023.

[15] Y. Cao, S. Yan, J. Li, J. Chen. Design of a Pillbox Reflector based Millimeter-Wave Multi-beam OAM antenna. 2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), Sapporo, Japan, 2023.

[14] Y. Cao, S. Yan, J. Chen. Design of A Pattern Reconfigurable Antenna for Grating Lobe Reduction of Planar Phased Arrays. 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Harbin, China, 2022.

[13] S. Wu, J. Li, K. D Xu. S. Yan, Y. Li, Y. Cao, J. Chen. A High Gain Millimeter-Wave Magnetoelectric Dipole Antenna Array Fed by Filtering Divider. 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Harbin, China, 2022.

[12] Z. Zhou, Y. Cao, Sen Yan. A Circularly Polarized Multi-Beam Antenna Based on SIW Pillbox Beamforming Network. 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Harbin, China, 2022.

[11] J. Zhang, Y. Cao, Sen Yan. Broadband RCS Reduction of an Ultrawideband Blade Antenna Using Phase Gradient Metasurface. 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Harbin, China, 2022.

[10] S. Wu, J. Li, J. Shi. Y. Cao, S. Yan, J. Chen. Dual-band dual-circularly polarized shared-aperture mm-wave antenna. 2022 IEEE 5th International Conference on Electronic Information and Communication Technology (ICEICT), Hefei, China, 2022.

[9] D. Wang, Y. Cao, C. Guo, S. Yan. A Micro-Machined Butler Matrix Beamforming Network Based Multi-Beam Patch Antenna Array. 2021 Computing, Communications and IoT Applications (ComComAp), Shenzhen, China, 2021.

[8] Y. Cao, S. Yan. A Low-Profile High-Gain Multi-Beam Antenna Based on Cylindrical Metasurface Luneburg Lens. 2021 Computing, Communications and IoT Applications (ComComAp), Shenzhen, China, 2021.

[7] 闫森, 曹元熙, 基于抛物柱面的毫米波双极化多波束天线. 2021年全国天线年会.

[6] M. Shu, W. Liu, J. Li, Y Cao, C Guo, A. Zhang. W-Band Waveguide Slot Array Antenna with High Gain Based on Rectangular Micro-Coaxial Process. 2021 IEEE 4th International Conference on Electronic Information and Communication Technology (ICEICT), Xi'an, China, 2021

[5] Z. Zhou, Y. Cao, Sen Yan. A Compact Multi-beam Antenna based on Multilayered SIW Pillbox. 2021 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Nanjing, China, 2021.

[4] J. Zhang, Y. Cao, Sen Yan. A Low-profile, Vertically Polarized Antenna for VHF and UHF Applications. 2021 International Conference on Microwave and Millimeter Wave Technology (ICMMT), Nanjing, China, 2021.

[3] H. Zhu, Y. Cao, Gao Wei. Study on non-uniform meta-surface for antenna design. 2018 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC), Qingdao, China, 2018.

[2] H. Zhu, Y. Cao, C Ding, Gao Wei, J. Guo. Main Beam Manipulation of Patch Antenna Using Non-uniform Meta-surface. 2018 International Symposium on Antennas and Propagation (ISAP), Busan, Korea (South), 2018.

[1] Y. Cao, G. Wei. Circular Slot Vivaldi Antenna with Low Backlobe. 2018 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), Xuzhou, China, 2018.