Highly sensitive and tunable terahertz biosensor based on optical Tamm states in graphene-based Bragg reflector
Highly sensitive and tunable terahertz biosensor based on optical Tamm states in graphene-based Bragg reflector
复制标题
基于石墨烯布拉格反射器中光学Tamm态的高灵敏度和可调谐太赫兹生物传感器
DOI:
10.1016/j.rinp.2019.102779
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发表时间:
2019-12
影响因子:
5.3
通讯作者:
Jianxing Ouyang
中科院分区:
文献类型:
--
作者:
Yunyang Ye;Minzhu Xie;Jiao Tang;Jianxing Ouyang
A highly sensitive and tunable biosensor at terahertz (THz) frequencies is proposed by using a composite structure of graphene and one-dimensional photonic crystal. The theoretical analysis and simulation results show that the sensitivity and figure-of-merit of the biosensor can reach 517.9°/RIU and 222.9 RIU-1, respectively. The high sensitivity of the biosensor originates from the excitation of optical Tamm states caused by graphene-based distributed Bragg reflector. By varying the voltage on graphene, we can electrically control the sensitivity and figure-of-merit of the biosensor. Furthermore, we have shown that the biosensor has a wide range (1.40–1.70) for measuring the refractive index of the sensing medium. We believe the biosensor has a good application prospect in the field of biological detection.
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DOI:
10.1016/j.photonics.2018.08.002
发表时间:
2018-12
期刊:
Photonics and Nanostructures - Fundamentals and Applications
影响因子:
--
作者:
M. Rakhshani;M. Mansouri-Birjandi
通讯作者:
M. Rakhshani;M. Mansouri-Birjandi
影响因子:
3.7
作者:
Kavokin, AV;Shelykh, IA;Malpuech, G
通讯作者:
Malpuech, G
影响因子:
12.6
作者:
Piliarik, Marek;Parova, Lucie;Homola, Jiri
通讯作者:
Homola, Jiri
影响因子:
3.8
作者:
Zhang, Wei Li;Wang, Fen;Jiang, Yao
通讯作者:
Jiang, Yao
影响因子:
3
作者:
Maharana, Pradeep Kumar;Srivastava, Triranjita;Jha, Rajan
通讯作者:
Jha, Rajan