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介质加载石墨烯等离子体波导传输特性

Propagation Characteristics of Dielectric-Loaded Graphene Plasma Waveguides

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摘要

设计了一种介质加载石墨烯等离子体波导,研究了不同结构尺寸的波导模场分布及传输特性。仿真结果表明,当石墨烯的化学势为0.7 eV、波导脊宽度和脊高度均为1000 nm时,介质加载石墨烯等离子体波导的模式宽度达到最小值1.55 μm,传播长度达到43.47 mm。该介质加载石墨烯等离子体波导不仅可以满足波导设计的要求,也为纳米器件的长距离传输提供了可能。

Abstract

A dielectric-loaded graphene plasma waveguide is proposed and the mode field distributions and propagation characteristics of the waveguides with different sizes are studied. The simulation results show that, when the chemical potential of graphene is 0.7 eV, and the ridge width and the ridge height are both 1000 nm, the mode width of dielectric-loaded graphene plasma waveguide reaches the minimum value of 1.55 μm and the propagation length reaches 43.47 mm. This dielectric-loaded graphene plasma waveguide not only can meet the requirement of waveguide design, but also provides a possibility of long-distance transmission for nano-devices.

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DOI:10.3788/lop54.112401

所属栏目:表面光学

基金项目:国家自然科学基金面上项目(61378035)

收稿日期:2017-05-19

修改稿日期:2017-06-02

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作者单位    点击查看

王清晨:上海理工大学光电信息与计算机工程学院, 上海 200093
宋 梁:上海理工大学光电信息与计算机工程学院, 上海 200093

联系人作者:宋梁(1511825693@qq.com)

备注:王清晨(1990-),女,硕士研究生,主要从事光通信与光波导方面的研究。

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引用该论文

Wang Qingchen,Song Liang. Propagation Characteristics of Dielectric-Loaded Graphene Plasma Waveguides[J]. Laser & Optoelectronics Progress, 2017, 54(11): 112401

王清晨,宋 梁. 介质加载石墨烯等离子体波导传输特性[J]. 激光与光电子学进展, 2017, 54(11): 112401

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