Photonic hook plasmons: a new curved surface wave

TL;DR

This paper introduces photonic hook plasmons, a novel curved surface wave that propagates along wavelength-scaled curved trajectories despite energy dissipation, expanding the understanding of surface plasmon behavior.

Contribution

The paper presents the discovery of photonic hook plasmons, a new class of curved surface waves with unique propagation characteristics, differing from traditional straight-line surface plasmons.

Findings

Photonic hook plasmons can propagate along curved trajectories.

They exist despite significant energy dissipation at the metal surface.

The trajectory radius is less than the surface plasmon polariton wavelength.

Abstract

It ia well-known that surface plasmon wave propagates along a straight line, but this common sense was broken by the artificial curved light - plasmon Airy beam. In this paper we introduce a new class of curved surface plasmon wave - the photonic hook plasmon. It propagates along wavelength scaled curved trajectory with radius less than surface plasmon polariton wavelength, and can exist despite the strong energy dissipation at the metal surface.