Modelling and Analysis of Quadruple Asymmetrical Optical Micro-Ring Resonator for Biosensing Application

被引：3
|
作者：
Ranjan, Suman [1 ]
Sarwagya, Kumari [1 ]
Mandal, Sanjoy [2 ]
Rai, Pankaj [1 ]
机构：
[1] Birsa Inst Technol Sindri BIT Sindri, Dhanbad 828123, Bihar, India
[2] IIT ISM Dhanbad, Dhanbad 828123, Bihar, India
来源：
IEEE SENSORS JOURNAL | 2021年 / 21卷 / 18期
关键词：
Sensors; Optical ring resonators; Optical sensors; Biosensors; Optical filters; Delays; Resonant frequency; Biosensor; FDTD; optical filter; directional couplers; microring resonator; FREE SPECTRAL RANGE; PERFORMANCE ANALYSIS; WAVE-GUIDE; OPTIMIZATION; DESIGN;
D O I：
10.1109/JSEN.2021.3096427
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, modelling of an asymmetrical micro-ring resonator and its performance as an optical filter and optical sensor is analysed. Quadruple asymmetrical optical micro-ring resonator (QAOMRR) is mathematically modelled in Z-domain using delay line signal processing technique. The transmittance of the configuration is calculated using signal flow graph method. Vernier principle method is applied to achieve larger free spectral range (FSR). Also, the proposed QAOMRR in silicon-on-insulator (SOI) platform is used for biochemical sensing. The proposed QAOMRR offers a FSR of 3.155 THZ and Q- factor of 3875 as well as provide significant shift in resonant wavelength whenever any different analyte is present in biomolecules. Field investigation of the proposed QAOMRR is done using Finite Difference Time Domain (FDTD) method. The directional couplers are designed using FDTD simulations. The proposed method will be extremely useful for modelling analysis and design of different micro optical asymmetrical ring resonator configurations.
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页码：19904 / 19911
页数：8
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