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Enhanced optical transmission by light coaxing: Mechanism of the TEM-mode excitation
Authors:FI Baida  A Belkhir  O Arar  EH Barakat  J Dahdah  C Chemrouk  D Van Labeke  C Diebold  N Perry  M-P Bernal
Institution:1. Dépatement d’Optique P.M. Duffeux, Institut FEMTO-ST UMR 6174 CNRS, Université de Franche–Comté, 25030 Besançon Cedex, France;2. Laboratoire de Physique et Chimie Quantique, Université Mouloud Mammeri, Tizi-Ouzou, Algeria;3. Service Commun Informatique, Institut FEMTO-ST UMR 6174 CNRS, 25030 Besançon Cedex, France;1. College of Physics, Sichuan University, Chengdu 610064, China;2. College of Information Science and Engineering, Northeastern University, Shenyang 110004, China;3. Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China;1. Nanosciences and Catalysis Division, National Centre for Physics, Quaid-i-Azam University Campus, Islamabad, Pakistan;2. Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan;1. Liaoning Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang 110036, China;2. College of Chemistry, Jilin University, Changchun 130012, China;1. College of Computer Science, Shaanxi Normal University, Xi’an 710062, China;2. School of Computer Science and Technology, Xidian University, Xi’an 710071, China;1. School of Physics and Microelectronic, Hunan University, Changsha 410082, China;2. College of Physics Science and Engineering Technology, Yichun University, Yichun, Jiangxi 336000, China
Abstract:This paper presents a theoretical study showing the mechanism of light transmission through opaque metallic films perforated with nanocoaxial apertures thanks to the excitation of their cutoff-free TEM (Transverse ElectroMagnetic) guided mode. Full three-dimensional Finite Difference Time Domain (3D-FDTD) together with a Body-Of-Revolution FDTD simulation results are presented and discussed in order to optimize this extraordinary transmission. Very promising findings are pointed out opening the path to the design of new devices for both nano-optic and photovoltaic applications.
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