Multifunctional Sensors and Switch in MDM Waveguide With Symmetric Dual Side-Coupled Nanodisks

A multirole waveguide with symmetric dual side-coupled nanodisk resonators, which can act as refractive index sensor, temperature sensor, and optical switch, is proposed and investigated numerically. By the finite-difference time-domain simulations, it is demonstrated that the value of the refractiv...

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Veröffentlicht in:IEEE photonics technology letters 2016-12, Vol.28 (24), p.2893-2896
Hauptverfasser: Wei, Zhongchao, Zhong, Nianfa, Zhang, Xiaomeng, Li, Xianping, Tan, Xiaopei, Liang, Ruisheng, Meng, Hongyun, Wang, Faqiang, Liu, Hongzhan
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container_end_page 2896
container_issue 24
container_start_page 2893
container_title IEEE photonics technology letters
container_volume 28
creator Wei, Zhongchao
Zhong, Nianfa
Zhang, Xiaomeng
Li, Xianping
Tan, Xiaopei
Liang, Ruisheng
Meng, Hongyun
Wang, Faqiang
Liu, Hongzhan
description A multirole waveguide with symmetric dual side-coupled nanodisk resonators, which can act as refractive index sensor, temperature sensor, and optical switch, is proposed and investigated numerically. By the finite-difference time-domain simulations, it is demonstrated that the value of the refractive index sensitivity of the nano-sensor can reach 1333 nm/RIU. And with ethanol fully filled in the resonators, it can act as a temperature sensor with temperature sensitivity of 0.52 nm/°C. Furthermore, by filling with liquid crystal material, the transmittance of the optical switch is up to 73.6% at the wavelength of 1310 nm. This letter may pave a way for multifunctional applications in the on-chip nano-sensing area.
doi_str_mv 10.1109/LPT.2016.2624513
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subjects Ethanol
Finite difference time domain method
Liquid crystals
Multifunctional
Nanosensors
Optical resonators
Optical switches
Optical switching
Optical waveguides
plasmonic
Plasmons
Refractive index
Refractivity
Resonators
Sensitivity
sensor
Sensors
switch
Temperature
Temperature sensors
Waveguides
title Multifunctional Sensors and Switch in MDM Waveguide With Symmetric Dual Side-Coupled Nanodisks
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