Super absorbing nano-gap metasurface with sub-5-nm gaps for extreme light confinement

Dengxin Ji, Alec Cheney, Nan Zhang, Haomin Song, Jun Gao, Xie Zeng, Haifeng Hu, Suhua Jiang, Zongfu Yu, Qiaoqiang Gan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We report a metamaterial super absorber structure with sub-5-nm gaps fabricated using atomic layer deposition processes for extreme light confinement. Light trapping efficiency of 81% is experimentally demonstrated at mid-infrared wavelengths.
Original languageEnglish (US)
Title of host publication2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)9781943580422
StatePublished - Aug 6 2018
Externally publishedYes

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