Effect of Ballistic Electrons on the Optical Response of Hyperbolic Metamaterials

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G. M. Marega
https://orcid.org/0000-0003-1221-1801
A. F. da Mota
https://orcid.org/0000-0003-1221-1801
B.-H. V. Borges
E. Marega
https://orcid.org/0000-0002-3334-4630

Abstract

This paper presents a theoretical and experimental study of the effect of ballistic electrons on the optical response of MIM (Metal-Insulator-Metal) like hyperbolic metamaterial structures. The simulated model using standard parameters and the experimental optical transmission show a 20% peak difference due to the presence of ballistic transport in the metal. A semi-analytic approximation based on the Drude's model is used for accurately predicting the optical response of the hyperbolic substrate and plasmon damping in the fabricated metasurfaces.

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How to Cite
Marega, G. M., da Mota, A. F., Borges, B.-H. V., & Marega, E. (2019). Effect of Ballistic Electrons on the Optical Response of Hyperbolic Metamaterials. Advanced Electromagnetics, 8(5), 23–28. https://doi.org/10.7716/aem.v8i5.1314
Section
Research Articles
Author Biographies

A. F. da Mota, University of Brasília

He is currently Professor of the Electrical Engineering Department at UnB. He completed his doctorate in Electrical Engineering from the School of Engineering of São Carlos (EESC) at the University of São Paulo (USP) with co-tutelage by Vrije Universiteit Brussels (VUB) in the area of ​​Telecommunications. During the doctorate, the student took an internship abroad for a period of 6 months funded by CAPES through the Doctoral Sandwich Program Abroad (PDSE). He has a master's degree in Electrical / Electronic Engineering with an emphasis in Telecommunications from USP / São Carlos and specialization in Telecommunications Networks and Systems by the National Institute of Telecommunications (INATEL). She was a Scientific Initiation Scholarship by CNPq in the area of ​​biosensors and metamaterials and interned at the Electronic Instrumentation Laboratory (LIEPO) of the Optics and Photonics Group (CePOF / INOF) at the São Carlos Institute of Physics (IFSC). During her master's degree she was a CNpq fellow and worked with pulse propagation in metamaterials. She has experience and interest in metamaterials, biosensors, microwaves, telecommunications.

B.-H. V. Borges, University of São Paulo

He has a bachelor's at Engenharia Elétrica from Universidade Vale do Rio Doce (1987), master's at Electric Engineering from Universidade de São Paulo (1992) and doctorate at Engenharia Elétrica from Drexel University (1997). He has experience in Electric Engineering, focusing on Telecommunication Systems, acting on the following subjects: electromagnetic modeling, integrated optics, waveguides, optical communications and beam propagation method. 

E. Marega, University of São Paulo

He graduated in Physics from the former Institute of Physics and Chemistry of São Carlos of the University of São Paulo in 1988, and soon after he joined the PhD program in Basic Physics by the same Institute, and concluded in 1993 In the field of Atomic and Molecular Physics with the title "Spectroscopy of High Resolution in Supersonic Beams". After completion, he changed his area of work to Condensed Matter Physics in a post-doctoral program at the recently created Institute of Physics of São Carlos. Seven months after the beginning of the program, he was hired as a PhD by the IFSC / USP to teach Physics courses in the recently created Exact Science Degree course. Parallel to the didactic activities began research in the area of semiconductor nanostructures, and between 1997 and 2001 the Nanostruction Laboratory of the IFSC was set up, with facilities for the growth and processing of structures with up to 50nm resolution. After a second postdoctoral program in the United States between 2004 and 2006 he started a new research area in Magnetic Semiconductor nanostructures and radiation interaction with semiconductor nanostructures. He is currently an Associate Professor (Livre-docente) at the University of São Paulo. He has experience in the field of Physics, with emphasis on Semiconductor Nanostructures, working mainly on the following topics: Quantum Dots Semiconductors (optical, structural and magnetic properties), Nanofabrication using lithographic techniques. Maintains scientific collaboration with prof. Greg. Salamo coordinator of the Institute of Nanoscale Science and Engineering- University of Arkansas, where he has been a Visiting Professor since 2006. He served from 2002 to 2009 as a member of the National Commission of the Brazilian Physics Olympiad and from 2010 to 2014 as National Coordinator. Of the national commission of the Brazilian Physics Olympiad of the Public Schools OBFEP from 2012 to 2014.

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