Conference Agenda

Friday, 16/Sept/2022:
10:30am - 11:15am

Session Chair: M.Teresa Flores-Arias, Universidade de Santiago de Compostela, Spain
Location: Auditorium

1st floor, next to registration desk, 400 seats

Professor at University of Minho, Portugal

Title: Metallic gratings covered with 2D materials: a route to polaritonics

Session Abstract

Metallic diffraction gratings have been intensively studied for more than a century. Its theoretical study started with the work of A. Sommerfeld back to 1899. The interest in metallic gratings was kept alive for many decades to follow with the work of U. Fano and A. Maradudin extensively contributing to its understanding. The latter author contributed with a number several works to the understanding of metallic gratings taking roughness into account. By the 1980’s, gratings were considered understood and the topic faded away. Coming from a completely different area of physics, the discovery of 2D materials around 2004-2005 gave rise to a new field of research in nanophotonics based on these new types of systems. Scientists regain interest in gratings when these are covered with 2D materials. This new type of system supports new types of polaritons whose study is still in its infancy. In this lecture we will present an ongoing theoretical study of a metallic grating covered with two types of 2D materials, an insulator, and a conductor. We will see the emergence of new types of polaritons with far reaching consequences in applications to sensing and nanophotonics.


More about the speaker

Nuno Peres was graduated from the University of Évora in Portugal and received his Master degree in Physics from the Faculty of Sciences of the University of Lisbon. His Ph.D. degree was awarded to him by the University of Évora. Nuno Peres is a theoretical condensed matter physicist working in two-dimensional materials and related structures since 2004. Of special mention is his work on the electronic and optical properties of these systems and his work on plasmonics in graphene. Nuno Peres is affiliated with the Department of Physics of the University of Minho and the Iberian International Nano Laboratory (Portugal). He has published about 200 papers and a book on plasmonics in graphene. His currency h-index is 57. Orcid: 0000-0002-7928-8005

No contributions were assigned to this session.