Title: When Low-dimensional Materials Meet Meta-photonics

Speaker: Cheng-Wei Qiu

Time: 15:30, April 11

Location: Room 215, No. 8 Hainayuan Building

Abstract:

Metasurfaces photonics (meta-photonics) and low-dimensional materials have been two important candidates in photonics. In this talk, I will report the most recent developments in plasmonic/dielectric metasurfaces, and focus on how monolayer TMDC and layered 2D materials could be hybridized with metasurfaces to realize novel light behavior, such as zero-dark-current and bipolar semimetal photodetector, monolayer meta-lens, enhanced SHG/PL, and tunable structural colors, by coordinating those two parties. Finally, we will elaborate our new breakthrough on van der Waals polaritonic metasurfaces, as a new roadmap toward ultra-low loss, long-range propagation, topological interfaces, and tailorable on-chip integrated functional devices. This talk illustrates how new photonics directions are identified and explored, serving as a case study for the students and young researchers to find their own niches and career path in the general area of photonics.

Biography:  

Prof. Cheng-Wei Qiu was appointed Dean’s Chair Professor twice in College of Design and Engineering, NUS. Prof. Cheng-Wei Qiu is appointed IEEE Photonics Society Distinguished Lecturer 2024. He is Fellow of APS, Optica, SPIE and The Electromagnetics Academy, US. He is the recipient of President’s Science Award 2023, the highest science distinction in Singapore. He was elected Fellow of ASEAN Academy of Engineering and Technology. He is well known for his research in structured light and interfaces. He has published over 580 peer-reviewed journal papers. He was the recipient of URSI Young Scientist Award in 2008, NUS Young Investigator Award in 2011, MIT TR35@Singapore Award in 2012, Young Scientist Award by Singapore National Academy of Science in 2013, Faculty Young Research Award in NUS 2013, SPIE Rising Researcher Award 2018, Young Engineering Research Award 2018, and Engineering Researcher Award 2021 in NUS, and World Scientific Medal 2021 by Institute of Physics, Singapore, Achievement in Asia Award (Robert T. Poe Prize) by International Organization of Chinese Physicists and Astronomers in 2022. He was Highly Cited Researchers in 2019, 2020, 2021, 2022, 2023 by Web of Science. As an overseas partner, he has been awarded China’s Top 10 Optical Breakthroughs for 5 times (2019, 2020, 2021(one in Fundamental Research, and one in Applied Research), 2023). He has been serving in Associate Editor for various journals such as JOSA B, PhotoniX, Photonics Research, and Editor-in-Chief for eLight. He also serves in Editorial Advisory Board for Laser and Photonics Review, Advanced Optical Materials, and ACS Photonics.