Plasmonic nanoantennas: fundamental principles and their use in controlling the radiative properties of nanoemitters. Vincenzo Giannini, This thesis focuses on the theoretical design and experimental studies of new nano-antennas to improve their optical properties and applications, e.g. SERS; This paper presents a systematic technique to design a novel multiband plasmonic antenna based on graphene with silicon nitride. dielectric, the unique design of the satellite structure created a strong antenna effect between the gold core and the small gold particles, which increased the strength of the electromagnetic field in the semiconductor, promoting the generation of HE and preventing recombination, thereby improving evolutionary performance. g−1, plasmonics attract much attention from researchers due to Plasmon's surpassing ability to match free space electromagnetic EM excitation to nanoscale size and drive light fabric. In this manuscript, a plasmonic nano-patch antenna on graphene material is designed and analyzed. The conductivity of the graphene material is modeled using the Kubo conductivity formula and adjusted using the chemical potential of graphene. Furthermore, the analysis of the Drude dispersive model for the material graphene presents negative results. Over the last decade, the definition of antennas has been expanded and the concept of plasmonic nanoantennas, Fig. 1b, was introduced due to the emergence of a new branch of science known as nano-optics, which studies the transmission and reception of optical signals at the nanoscale 2, 3. Plasmonic nanoantennas are specially manufactured. The data shows a large redshift, ≥0. by increasing the size nm nm covering the optical activity range of. To match the plasmon resonance to the neutral exciton energy in single-layer simulations of bare plasmonic nanoantennas, the optimal size is reported to be dsize. Schematic of plasmonic thin film solar cell a and ordinary thin film solar cell b. In Figure a, the possible positions of the plasmonic nanostructures are indicated by P1 on the top layer, P2 in the active layer or at the interface, and P3 on the back metal contact. In Figure c, the number of articles published in recent years per year is as follows. In this article, we briefly review recent advances on plasmon-enhanced light-matter interactions through the design of plasmonic materials and structures. First, we discuss SPs in metal and semiconductors. The transmission asymmetry of the complementary chiral metamaterial originating from high-order plasmon resonance can be tuned. 049 504 by changing the Fermi energy, and the asymmetry. The need for faster communication in today's world has led to the need for antennas with high bandwidth and gain. A novel metamaterial-based THz MIMO antenna is presented in this manuscript for high-speed communication applications with wide bandwidth and high gain. The THz MIMO metamaterial antenna is designed. Plasmonic optical antennas that provide this intracellular molecular information in real time have become a powerful tool for studying various biological processes and cellular functions.