Self-modulation of nonlinear light in vacuum enhanced by orbital angular momentum

TL;DR

This paper explores how orbital angular momentum influences nonlinear light behavior in vacuum within a cylindrical cavity, revealing phase variations that could aid quantum electrodynamics verification.

Contribution

It demonstrates the impact of orbital angular momentum on vacuum nonlinear optical effects and the potential for enhanced phase variation in a cylindrical cavity.

Findings

Orbital angular momentum significantly affects self-modulation in vacuum.

Phase variation enhances vacuum nonlinearity.

Time evolution of energy transfer and phase shift observed.

Abstract

Nonlinear optical effects in vacuum have been investigated as a means to verify quantum electrodynamics in a region of low photon energy. By considering nonlinear electromagnetic waves in a three-dimensional cylindrical cavity, we report that the orbital angular momentum of light strongly affects self-modulations in a long timescale. The variation in optical phase is shown to enhance the vacuum nonlinearity. Moreover, we demonstrate the time evolution of the energy transfer between cavity modes and of the phase shift, paving new possibility for verification experiments.