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【直播】【复旦理论物理报告会】中科院物理所陆凌研究员 学术报告

KouShare 蔻享学术 2023-01-05



报告题目:

Topological zero modes make best lasers in all dimensions

报告时间

2023年1月6日(周五)9:30

报告嘉宾:

陆凌 研究员(中科院物理所)

主办单位:

复旦大学物理系


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报告人介绍


陆凌 研究员

中科院物理所


Ling Lu is a group leader in the Institute of Physics, Chinese Academy of Sciences, Beijing China. He obtained his bachelor in Physics from Fudan University, and a Ph.D. in Electrical Engineering from University of Southern California where he worked on photonic crystal nanocavity lasers. He was a postdoc at Massachusetts Institute of Technology, where he coined “topological photonics” and discovered “Weyl points”. He was awarded the Chen Ning Yang Award by the Asian Pacific Societies, the Highly Cited Researchers by Clarivate Web of Science, and the Distinguished Young Scientists program by Natural Science Foundation of China.


报告简介


Contrary to the perception that topological physics has not found useful applications, we show that the textbook design of daily-life semiconductor lasers are equivalent to standard topological models in 1D. By upgrading to the 2D vortex zero mode, we invent the topological-cavity surface-emitting lasers (TCSEL) whose performance far exceeds that of the commercial counterparts. Finally, we demonstrate the monopole cavity in 3D with the optimal single-mode behavior, completing the kink-vortex-monopole trilogy of topological defect modes.  




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