Current Modulation of Plasmonic Nanolasers by Breaking Reciprocity on Hybrid Graphene–Insulator–Metal Platforms

Heng Li, Zhen Ting Huang, Kuo Bin Hong, Chu Yuan Hsu, Jia Wei Chen, Chang Wei Cheng, Kuo Ping Chen, Tzy Rong Lin, Shang Jr Gwo, Tien Chang Lu*

*Corresponding author for this work

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

A hybrid graphene–insulator–metal (GIM) platform is proposed with a supported surface plasmon polariton (SPP) wave that can be manipulated by breaking Lorentz reciprocity. The ZnO SPP nanowire lasers on the GIM platforms are demonstrated up to room temperature to be actively modulated by applying external current to graphene, which transforms the cavity mode from the standing to propagation wave pattern. With applying 100 mA external current, the laser threshold increases by ≈100% and a 1.2 nm Doppler shift is observed due to the nonreciprocal propagation characteristic. The nanolaser performance also depends on the orientation of the nanowire with respect to the current flow direction. The GIM platform can be a promising platform for integrated plasmonic system functioning laser generation, modulation, and detection.

原文English
文章編號2001823
期刊Advanced Science
7
發行號24
DOIs
出版狀態Published - 16 十二月 2020

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