Ultracompact plasmonic loop-stub notch filter and sensor

被引：46

作者：

Bahramipanah, Mohsen ^{[1
]}

Abrishamian, Mohammad Sadegh ^{[1
]}

Mirtaheri, Seyed Abdollah ^{[1
]}

Liu, Jia-Ming ^{[2
]}

机构：

[1] KN Toosi Univ Technol, Dept Elect & Comp Engn, Tehran, Iran

[2] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2014年 / 194卷

关键词：

Plasmonics; Loop-stub structure; Notch filter; Biosensors; Surface plasmon polaritons; SURFACE; RESONANCE; ARRAYS; TRANSMISSION;

D O I：

10.1016/j.snb.2013.12.084

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new nanoplasmonic notch filter and a biosensor, based on the loop-stub configuration, are proposed and studied. Our finite-difference time-domain simulations reveal that the resonant mode of the proposed structure can be easily controlled by varying the width of the horizontal branch of the loop-stub structure. The proposed plasmonic biosensor has a high sensitivity and a remarkably large figure-of-merit. Besides the advantages of easy fabrication, the device has a compact size of only a few hundred nanometers in width and length. The special features of the proposed structure and the device concept introduced in this work are applicable in the realization of various integrated components for the development of plasmonic biosensors. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：311 / 318

页数：8

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