Article
Physics, Multidisciplinary
Xiangxiang Hao, Yiping Huo, Qian He, Yiyuan Guo, Qiqiang Niu, Pengfei Cui, Yunyan Wang, Meina Song
Summary: The study proposes a plasmon structure based on MIM waveguide, which can produce multiple high transmission plasmon-induced transparencies that can be tuned by adjusting structure parameters. Additionally, the structure is sensitive to the environment, featuring high refractive index sensitivity and figure of merit values.
Article
Optics
Jincheng Wang, Hengli Feng, Jingyu Zhang, Chang Liu, Zuoxin Zhang, Dongchao Fang, Lehui Wang, Yang Gao
Summary: This paper proposes a bilateral asymmetric equilateral triangular ring (ETR) band-stop filter based on metal-insulator-metal (MIM) waveguide and investigates its transmission spectrum and electric field distribution using finite difference time domain (FDTD) and coupled mode theory (CMT) method. The results show that changing the number and position of resonant cavities can adjust the transmission characteristics of the filter. The filter has a minimum transmission of 0.1% and a sensitivity of 1149 nm/RIU, making it suitable for highly integrated optical circuits and refractive index sensors.
Article
Optics
Hengli Feng, Jingyu Zhang, Zuoxin Zhang, Dongchao Fang, Jincheng Wang, Chang Liu, Tong Wu, Guan Wang, Lehui Wang, Lingling Ran, Yang Gao
Summary: This study proposes a novel band-stop metal-insulator-metal plasmonic waveguide filter that demonstrates high filtering efficiency and sensitivity. The relationship between the wavelength of the incident wave, the refractive index of the measured material, and the transmittance of the incident wave is simulated. The results show that the filter has significantly low transmittance at the dips and high sensitivity for detecting different materials.
OPTICS COMMUNICATIONS
(2022)
Article
Physics, Multidisciplinary
Daijing Xu, Shubin Yan, Xiaoyu Yang, Jinxi Wang, Xiushan Wu, Ertian Hua
Summary: The article introduces a novel nanoscale optical structure for refractive index detection, investigates the transmission properties and the effects of geometric parameters on sensing performance, and discusses the influences of an asymmetric resonator on the transmission spectrum.
FRONTIERS IN PHYSICS
(2021)
Article
Optics
Fei Hu, Fang Chen, Huafeng Zhang, Lihui Sun, Chunchao Yu
Summary: The study presents triple Fano resonance through a plasmonic waveguide system, originating from narrow discrete resonances of an isosceles-triangular resonator and the broad continuous state of a nanorod-defect. Results show that Fano line shapes can be independently tuned by adjusting geometrical parameters.
Article
Optics
Jianfeng Chen, Jina Li, Xing Liu, Siti Rohimah, He Tian, Dawei Qi
Summary: A metal-insulator-metal type surface plasmon waveguide structure was designed in this study, showing potential applications in refractive index sensors and slow light devices. By optimizing geometric parameters, the characteristics of Fano resonance, sensitivity, and figure of merit of the structure can be adjusted.
OPTICS COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Zhihui Wei, Hai Liu, Bo Wang, Jian Zhang, Haolong Tang, Qiang Li, Zhenfeng Shen, Haigui Yang, Dongzhi Shan, Yuanhang Zhao, Yi Zhao, Kai Wang, Xiaoyi Wang
Summary: In this paper, a cavity-coupled perfect absorber (CCPA) is proposed, which achieves near-perfect absorption in the mid-infrared range and exhibits omnidirectional characteristics by adjusting the width of the nanowires and the thickness of the SiO2 layer.
Article
Physics, Applied
Jia-Hua Chen, Liu Wang, Jun-Xue Chen, Ya-Ping Zeng, Qiu-Qun Liang, Xiong-Ping Xia
Summary: In this paper, a novel nanosensor based on metal-insulator-metal (MIM) plasmonics waveguide and a semi-elliptical and rectangular ring resonant cavity is designed. The electromagnetic wave propagation properties are studied using finite-difference time-domain (FDTD) method. The results show that the structure exhibits a sharp Fano resonance shape in the transmission spectrum due to the coupling between the semi-elliptical and rectangular ring resonant cavity. The structure also has a high sensitivity of 1384nm/RIU and a figure of merit (FOM) of 28.4.
MODERN PHYSICS LETTERS B
(2023)
Article
Optics
Arman Amiri Faghani, Zahra Rafiee, Hamideh Amanzadeh, Elnaz Yaghoubi, Elaheh Yaghoubi
Summary: This paper proposes a wavelength demultiplexer in a metal-insulator-metal waveguide based on square cascade resonators, which is numerically simulated using the finite difference time domain approach. The proposed structure has high sensitivity, low cross talk effect, and proper Figure of Merit, making it suitable for optically integrated circuits, nanosensors, and ultracompact plasmonic devices.
Article
Physics, Condensed Matter
Shiva Khani, Mohsen Hayati
Summary: An elliptical resonator coupled to a metal-insulator-metal waveguide through a silicon layer is used for sensing applications, demonstrating multi resonance modes in the transmission spectrum. High sensitivity and a high FOM value are achieved, making it suitable for use in high sensitivity sensors. This structure offers notable specifications such as ultra-high sensitivity and simplicity in design and fabrication process, making it ideal for optical integrated circuits.
SUPERLATTICES AND MICROSTRUCTURES
(2021)
Article
Engineering, Electrical & Electronic
Hocine Bahri, Souheil Mouetsi, Abdesselam Hocini, Hocine Ben Salah
Summary: The proposed plasmonic biosensor design with high sensitivity and resolution achieved remarkable properties suitable for biosensors, filters, and provided a new possibility for designing compact and high-performance plasmonic biosensor devices.
OPTICAL AND QUANTUM ELECTRONICS
(2021)
Article
Physics, Multidisciplinary
Jian Zhang, Tianshan Chen, Hanwen Chen, Xiangxian Wang, Hua Yang, Yunping Qi, Chaojun Tang, Jianli Yu
Summary: This study proposes a micro-nano structure that can generate multiple Fano resonances for refractive index sensing. The structure consists of a metal-insulator-metal waveguide with a baffle and two resonators, one hexagonal nut and one square ring. The designed structure can generate up to five Fano resonances tuned by different resonators. The sensitivity and figure of merit of the structure are investigated and show great potential for gas and liquid sensors in micro-nano sensing and biochemical medicine applications.
Article
Chemistry, Physical
Mustapha Figuigue, Oussama Mahboub, Rida El Haffar
Summary: A metal-insulator-metal (MIM) waveguide structure consisting of a semi-elliptical ring resonator (SERR) and a baffle was numerically investigated using the finite element method (FEM). The transmission characteristics and line shape of the structure can be easily tuned by changing the geometrical parameters. The proposed plasmonic system shows high sensitivity and figure of merit as a sensor, with a sensitivity of 1783 nm/RIU and a figure of merit of 27, and demonstrates a slow light effect with an optical delay of 0.887 ps.
Article
Chemistry, Multidisciplinary
Yeming Han, Yu Lin, Wei Ma, Jan G. Korvink, Huigao Duan, Yongbo Deng
Summary: This paper presents inversely designed nanoantennas to address the optical coupling challenges between free space photons and MIM waveguides, efficiently exciting MIM plasmon modes at multiple wavelengths and under oblique angles.
Article
Chemistry, Physical
Rida El Haffar, Oussama Mahboub, Abdelkrim Farkhsi, Mustapha Figuigue
Summary: This paper presents all-optical logic gates based on 2D plasmonic MIM coupled with an ERR, using the constructive and destructive optical interferences between control and input signals. The gates achieve high contrast ratio at visible and near-infrared spectral regions. A new parameter called gap-threshold ratio (GTR) is introduced to characterize the gap between transmitted signal intensities for all logic gates. The proposed structure shows good results for all logic gate configurations, making it a key component for optical processing and telecommunication devices.
