Selected Conference Presentations

M. Abdullah, M. Larsson, M. S. Li, and W. Withayachumnankul, “Multi-source direction of arrival estimation in terahertz communications using convolutional neural networks,” 50th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Espoo, Finland, 2025. (Keynote)

W. Gao, W. Withayachumnankul, and M. Fujita, "Terahertz integration enabled by effective medium", 16th International Conference on Information Optics and Photonics (CIOP), Xi'an, 2025. (Keynote)

W. Withayachumnankul, "Substrateless Platform: A Promising Route to Terahertz Integration," IEEE MTT-S International Microwave Symposium, San Francisco, 2025. (Invited)

S. Quader, X. Lv, X. You, R. T. Ako, M. Bhaskaran, S. Sriram, C. Fumeaux, and W. Withayachumnankul, "Mechanically reconfigurable terahertz quasi-optical components for spectral filtering and polarization control," IEEE Microwaves, Antennas and Propagation Conference (MAPCON), Hyderabad, 2024. (Invited)

W. Gao, W. Withayachumnankul, T. Nagatsuma, and M. Fujita, “Photonics-inspired terahertz components and systems advancing 6g communications," International Symposium on Ultrafast Phenomena and Terahertz Waves (ISUPTW), Guangzhou, 2024. (Invited)

M. Sun, N. Nguyen-Trong, and W. Withayachumnankul, “All-dielectric terahertz 1D leaky-wave antenna based on vertically asymmetric grating,” 29th International Symposium on Antennas and Propagation (ISAP), Incheon, 2024. (Invited)

B. Chung, D. Headland, M. Ibrahim, and W. Withayachumnankul, “3D-printed quasi-optics for sub-terahertz range,” 49th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Perth, 2024. (Keynote)

N. H. Ngo, W. Gao, M. (Stephen) Li, W. Withayachumnankul, and M. Fujita, “Terahertz slot waveguide for taperless interfacing,” 49th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), Perth, 2024.  (Keynote) 

H. Lees, D. Joseph, Y. Yarom, and W. Withayachumnankul, “Terahertz waves for sensing acoustic vibrations,” Asia-Pacific Microwave Conference (APMC), Bali, 2024. (Invited)

X. You, R.-T. Ako, S. Sriram, and W. Withayachumnankul, "Experimental realization of terahertz 3D imaging with chromatic metasurface," Asia-Pacific Microwave Conference (APMC), Bali, 2024. (Invited)

W. Gao, W. Withayachumnankul, and M. Fujita, "Silicon-based terahertz integration: Driving 6G communications", 15th International Conference on Information Optics and Photonics (CIOP), Xi'an, 2024. (Invited)

P. Dechwechprasit, H. Lees, D. Headland, C. Fumeaux, and W. Withayachumnankul, "Photoexcited multiport terahertz integrated switches with demonstration of multi-beam antennas," SPIE Photonics Europe: Terahertz Photonics III, Strasbourg, 2024. (Invited)

M. Li, R.-T. Ako, S. Sriram, C. Fumeaux, and W. Withayachumnankul, "High-gain, low-profile, integrable planar lens antenna at 275 GHz," IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP), Guangzhou, 2023. (Invited)

W. Withayachumnankul, "Substrateless integrated platform for terahertz wireless frontends," 16th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT), Guangzhou, 2023. (Invited)

B. Chung, D. Headland, and W. Withayachumnankul, "3D-printed quasi-optical components for terahertz applications," IEEE International Symposium on Radio-Frequency Integration Technology, Cairns, 2023. (Invited)

W. Gao, W. Withayachumnankul, M. Fujita, and T. Nagatsuma, “Terahertz communications accelerated by photonics technologies,” 14th International Conference on Information Optics and Photonics (CIOP), Xi’an, 2023. (Invited) 

H. Lee, M. Sakaki, D. Headland, N. Benson, J. Balzer, and W. Withayachumnankul, "Single-mode rib waveguide for the terahertz range using 3D printed alumina," International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Montreal, 2023. (Keynote)

L. Chen, W. Gao, C. Fumeaux, and W. Withayachumnankul, "Compact broadband terahertz filter based on effective medium," 5th Australian Microwave Symposium, Melbourne, 2023. (Best Student Paper)

P. Dechwechprasit, C. Fumeaux, W. Withayachumnankul, "Resonant cavities based on substrateless dielectric waveguide platform for terahertz integrated systems," IEEE Region 10 Conference (TENCON). Hong Kong, 2022. (Invited; online)

H. Lees, D. Headland, and W. Withayachumnankul, "Integrated, broadband, arbitrary-ratio power division based on air-silicon effective mediums," IRMMW-THz, Delft, 2022. (Keynote)

H. Lees, D. Headland, and W. Withayachumnankul, "Substrateless terahertz integrated platform: Low-cross-talk waveguide crossing," International Symposium on Future Trends of Terahertz Semiconductor Technologies (TST), Kyoto, 2022. (Invited; online)

W. Withayachumnankul, "Systematically designed broadband terahertz metasurfaces," 5th IEEE Workshop on Recent Advances in Photonics, Mumbai, 2022. (Invited; online)

M. Shehata, K. Wang, and W. Withayachumnankul, "Terahertz pulse shaping using microwave-photonic delay line filters," IRMMW-THz, Chengdu, 2021. (Keynote; online) 

M. Li, S. Suzuki, C. Fumeaux, and W. Withayachumnankul, "Improving the radiation performance of resonant-tunneling diode by using planar metallic arrays," IRMMW-THz, Chengdu, 2021. (Keynote; online)

W. Gao, W. S.-L. Lee, C. Fumeaux, and W. Withayachumnankul, "Integrated terahertz band-stop filter based on effective medium," IRMMW-THz, Chengdu, 2021. (Keynote; online)

X. You, C. Fumeaux, and W. Withayachumnankul, "Concept of mechanically tunable terahertz circular polarizer," 11th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META), Warsaw, 2021. (Invited; online)

X. You, C. Fumeaux, and W. Withayachumnankul, "Systematically designed broadband terahertz metasurfaces," SPIE Next-Generation Spectroscopic Technologies XIV, Florida, 2021 (Invited; online)

W. Gao, C. Fumeaux, and W. Withayachumnankul, "All-silicon terahertz components towards efficient integrated systems," IRMMW-THz, Buffalo, 2020. (Keynote; online)

W. Gao, X. Yu, M. Fujita, T. Nagatsuma, C. Fumeaux, and W. Withayachumnankul, "Evolution from air-cladded to effective-medium-cladded dielectric waveguides," IRMMW-THz, Paris, 2019. (Keynote)

W. Withayachumnankul, M. Fujita, and T. Nagatsuma, “Polarization responses of terahertz dielectric rod antenna arrays,” International Conference on Microwave and Millimeter Wave Technology (ICMMT), Guangzhou, 2019. (Invited)

W. Withayachumnankul, “Terahertz metasurfaces for beamforming and polarization conversion,” Asia-Pacific Microwave Conference (APMC), Kyoto, 2018. (Invited)

W. Withayachumnankul, R. Yamada, M. Fujita, and T. Nagatsuma, “Evolution of rod antennas for integrated terahertz photonics,” IRMMW-THz, Nagoya, 2018. (Keynote)

W. Withayachumnankul, “Terahertz metasurfaces,” IRMMW-THz, Nagoya, 2018. (Student workshop) 

W. S.-L. Lee, C. Fumeaux, and W. Withayachumnankul, “Metasurfaces for terahertz polarimetry,” IEEE Asia-Pacific Conference on Antennas and Propagation (APCAP), Auckland, 2018. (Invited)

C. Fumeaux, W. S.-L. Lee, D. Headland, T. Niu, S. Sriram, M. Bhaskaran, and W. Withayachumnankul, “Terahertz reflectarrays for beam manipulation and polarization control,” IEEE International Symposium on Antennas and Propagation (ISAP), Boston, 2018. (Invited)