Tunable graphene antennas for selective enhancement of THz-emission

被引：99
|
作者：
Filter, R. [1 ]
Farhat, M. [1 ,2 ]
Steglich, M. [3 ,4 ]
Alaee, R. [1 ]
Rockstuhl, C. [1 ]
Lederer, F. [1 ]
机构：
[1] Univ Jena, Abbe Ctr Photon, Inst Condensed Matter Theory & Solid State Opt, D-07743 Jena, Germany
[2] King Abdullah Univ Sci & Technol, Div Comp Elect & Math Sci & Engn, Thuwal 239556900, Saudi Arabia
[3] Univ Jena, Max Planck Inst Astron, Lab Astrophys Grp, D-07743 Jena, Germany
[4] Univ Basel, Dept Chem, CH-4056 Basel, Switzerland
来源：
OPTICS EXPRESS | 2013年 / 21卷 / 03期
关键词：
RAMAN-SPECTROSCOPY; PLASMONICS; MATTER;
D O I：
10.1364/OE.21.003737
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we will introduce THz graphene antennas that strongly enhance the emission rate of quantum systems at specific frequencies. The tunability of these antennas can be used to selectively enhance individual spectral features. We will show as an example that any weak transition in the spectrum of coronene can become the dominant contribution. This selective and tunable enhancement establishes a new class of graphene-based THz devices, which will find applications in sensors, novel light sources, spectroscopy, and quantum communication devices. (C) 2013 Optical Society of America
引用
收藏
页码：3737 / 3745
页数：9
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