Plasmonics

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Miniaturized Five-Band Perfect Metamaterial THz Absorber with Small Frequency Ratio
Plasmonics - Tập 17 - Trang 79-86 - 2021
Vijayalakshmi Kannaiyan, Kanimozhiselvi Chenniangirivalasu Sadhasivam
A five-band polarization-insensitive perfect metamaterial absorber (PMA) is reported in this paper for THz detection and sensing applications. The proposed absorber is constructed using interconnected circular ring elements enclosed by a square loop. The ring elements are interconnected using short strip lines which increases the electrical length to offer resonance at the lower frequencies of the...... hiện toàn bộ
High-Performance Eight-Channel Photonic Crystal Ring Resonator–Based Optical Demultiplexer for DWDM Applications
Plasmonics - Tập 16 - Trang 2073-2080 - 2021
Anushka Berry, Nidhi Anand, Sangeetha Anandan, Prabu Krishnan
In this paper, a photonic crystal ring resonator (PCRR)-based optical demultiplexer is reported for Dense Wavelength Division Multiplexing (DWDM) applications. Diamond and silicon-dioxide are designed and simulated by an eight-channel PCRR. An average uniform spacing of 0.8 nm and 1.94 nm is obtained for the proposed demultiplexer, with silicon-dioxide and diamond, respectively. For the eight-chan...... hiện toàn bộ
Compact and Sensitive H-Shaped Metal–Dielectric–Metal Waveguide Plasmonic Sensor
Plasmonics - Tập 17 Số 4 - Trang 1593-1606 - 2022
Rammani Adhikari, Zen Sbeah, Rajeev Gupta, Diksha Chauhan, Jean‐Michel Nunzi, Ram Prakash Dwivedi
Dynamically Tunable by Kerr Effect Multichannel Filter Based on Plasmon Induced Transparencies at Optical Communication Range
Plasmonics - Tập 11 - Trang 729-733 - 2015
Xu Han, Tao Wang, Xiaoming Li, Youjiang Zhu
Dynamically tunable multichannel filter based on plasmon-induced transparencies (PITs) is proposed in a plasmonic waveguide side-coupled to slot and rectangle resonators system at optical communication range. The slot and rectangle resonators in this system can be regarded as radiative or dark resonators as same as the radiative or dark elements in the metamaterial structure with the help of the e...... hiện toàn bộ
Study of Surface Plasmon Resonances of Core-Shell Nanosphere: A Comparison between Numerical and Analytical Approach
Plasmonics - - 2017
R. P. Sharma, Sangita Roopak, Nilesh Kumar Pathak, Alok Ji
Plasmonic Metals for Nanohole-Array Surface Plasmon Field-Enhanced Fluorescence Spectroscopy Biosensing
Plasmonics - Tập 9 - Trang 825-833 - 2014
Lin Wu, Xiaodong Zhou, Ping Bai
Gold (Au) is so far the most commonly used plasmonic metal in nanohole-array-based surface plasmon resonance biosensors, due to its excellent plasmonic properties in visible light range and chemical inertness in solutions. However, Au intrinsically absorbs blue-green light heavily, leading to poor plasmonic excitation efficiency below 600 nm. This work explores the possibilities of using various k...... hiện toàn bộ
Titanium Nitride Plasmonic Nanohole Arrays for CMOS-Compatible Integrated Refractive Index Sensing: Influence of Layer Thickness on Optical Properties
Plasmonics - Tập 18 - Trang 831-843 - 2023
Sebastian Reiter, Weijia Han, Christian Mai, Davide Spirito, Josmy Jose, Marvin Zöllner, Oksana Fursenko, Markus Andreas Schubert, Ivo Stemmler, Christian Wenger, Inga Anita Fischer
The combination of nanohole arrays with photodetectors can be a strategy for the large-scale fabrication of miniaturized and cost-effective refractive index sensors on the Si platform. However, complementary metal–oxide–semiconductor (CMOS) fabrication processes place restrictions in particular on the material that can be used for the fabrication of the structures. Here, we focus on using the CMOS...... hiện toàn bộ
Tailoring Absorption in Metal Gratings with Resonant Ultrathin Bridges
Plasmonics - Tập 8 - Trang 1445-1456 - 2013
M. A. Vincenti, D. de Ceglia, M. Grande, A. D’Orazio, M. Scalora
We present a theoretical analysis of the effects of short range surface plasmon polariton excitation on subwavelength bridges in metal gratings. We show that localized resonances in thin metal bridges placed within the slit of a free-standing silver grating dramatically modify transmission spectra and boost absorption regardless of the periodicity of the grating. Additionally, the interference of ...... hiện toàn bộ
Tính Anisotropy Quang Hướng Trong Kế của Các Hạt Nan Ag Được Lắng Đọng Bằng Phương Pháp DC Sputtering Trên Các Phim Nanocolumnar SiO2 Dịch bởi AI
Plasmonics - Tập 5 - Trang 241-250 - 2010
Juan Ramon Sánchez-Valencia, Johann Toudert, Ana Borras, Carmen López-Santos, Angel Barranco, Inés Ortega Feliu, Agustin Rodriguez González-Elipe
Nghiên cứu này báo cáo một phương pháp dễ thực hiện để phát triển các cấu trúc hai chiều của các nanostructures Ag với tính chất anisotropy quang hướng trong phạm vi tổng hợp. Ag được lắng đọng bằng cách phun DC trong plasma Ar ở nhiệt độ phòng lên các phim mỏng SiO2 dạng nanocolumnar được trồng bằng phương pháp lắng đọng hơi vật lý góc nghiêng. Khác với các quy trình đã được báo cáo trước đây liê...... hiện toàn bộ
#anisotropy quang #hạt nano Ag #lắng đọng DC sputtering #phim nanocolumnar SiO2
Sensitivity of the Surface Plasmon Polariton Waves at the Interface of Metal and Dielectric Medium Using Doppler Broadening Effect
Plasmonics - Tập 19 - Trang 123-129 - 2023
Qaisar Khan, Aizaz Khan, Bakht Amin Bacha, Majid Khan, Amir Khesro
The angular interrogation of sensitivity of the surface plasmon polariton waves (SPPs) is investigated at the interface under the effect of Doppler broadening dielectric medium and silver metal using prism geometry. A useful manipulation over the sensitivity of SPPs is obtained with Doppler broadening effect and parameters of the probe and control fields. The maximum sensitivity is investigated to...... hiện toàn bộ
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