Graphene-Based Nanoresonator with Applications in Optical Transistor and Mass Sensing

被引:14
|
作者
Chen, Hua-Jun [1 ]
Zhu, Ka-Di [1 ]
机构
[1] Shanghai Jiao Tong Univ, Dept Phys & Astron, Minist Educ, Key Lab Artificial Struct & Quantum Control, Shanghai 200240, Peoples R China
基金
中国国家自然科学基金;
关键词
graphene nanoresonator; optical transistor; nonlinear optical spectroscopy; mass sensing; MECHANICAL RESONATORS; NANORIBBONS; SENSOR;
D O I
10.3390/s140916740
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Graphene has received significant attention due to its excellent properties currently. In this work, a nano-optomechanical system based on a doubly-clamped Z-shaped graphene nanoribbon (GNR) with an optical pump-probe scheme is proposed. We theoretically demonstrate the phenomenon of phonon-induced transparency and show an optical transistor in the system. In addition, the significantly enhanced nonlinear effect of the probe laser is also investigated, and we further put forward a nonlinear optical mass sensing that may be immune to detection noises. Molecules, such as NH3 and NO2, can be identified via using the nonlinear optical spectroscopy, which may be applied to environmental pollutant monitoring and trace chemical detection.
引用
收藏
页码:16740 / 16753
页数:14
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