Hybrid epsilon-near-zero modes of photonic gap antennas
Hybrid epsilon-near-zero modes of photonic gap antennas
We demonstrate that in photonic gap antennas composed of an epsilon-near-zero (ENZ) layer embedded within a high-index dielectric, hybrid modes emerge from the strong coupling between the ENZ thin film and the photonic modes of the dielectric antenna. These hybrid modes show giant electric field enhancements, large enhancements of the …