[CTuP3D] THz Detection, Sensing, and Manipulation

[CTuP3D-03] Alignment-Insensitive THz-OAM Wave Generator Based on Square Lattice Photonic Crystal

*Remma Hata¹, Hiroki Kishikawa¹, Junichi Fujikata¹ (1. Tokushima Univ. (Japan))

[Presentation Style] Onsite

For orbital angular momentum (OAM) wave generation, high-accuracy beam alignment is usually required. A photonic crystal (PhC)-based OAM wave generator is proposed and analyzed numerically. Very small alignment-dependence can be achieved with high efficiency.