9d ago
Q-Factor Matching for Femtosecond Near-Field Enhancement in Hybrid Metal-Dielectric Metasurfaces
Yaolong Li · Xu Shi · Yuxin Zhang · Lin Qiao · Hong Yang · Shufeng Wang · Guowei Lyu · Yasutaka Matsuo · +3 more
Abstract
Author(s): Yaolong Li, Xu Shi, Yuxin Zhang, Lin Qiao, Hong Yang, Shufeng Wang, Guowei Lyu, Yasutaka Matsuo, Xiaoyong Hu, Qihuang Gong, and Hiroaki Misawa<br/><p>Matching the cavity resonance lifetime to the driving laser pulse yields significantly greater near-field enhancement in ultrafast nanophotonics than maximizing the cavity quality factor alone.</p><img src="//cdn.journals.aps.org/journals/PRL/key_images/10.1103/zkdb-qhps.png" width="200" height=\"100\"><br/>[Phys. Rev. Lett. 137, 106902]
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