Line lasing in a two-dimensional lattice of orbital photonic resonators

TL;DR

This paper demonstrates line lasing in a 2D lattice of orbital photonic resonators, enabling densely packed lasing modes with potential for integrated laser arrays.

Contribution

It introduces a novel 2D lattice design using orbital photonic modes to achieve line lasing with flat and dispersive band structures.

Findings

Successful realization of line lasing modes in a 2D lattice

Design of flat and dispersive photonic bands

Potential for compact dense laser arrays

Abstract

The engineering of specialty lasers with unconventional mode structures is one of the modern challenges in the development of integrated coherent sources. Examples include the use of bound states in the continuum, microlasers with orbital angular momentum, Dirac-band lasers and topological lasers. In this work we engineer a two-dimensional lattice of coupled micropillars with lasing line modes. We use a convenient combination of orbital photonic modes to design photonic bands which are flat in one direction and dispersive in the perpendicular one giving rise to line lasing modes. Such an architecture opens the possibility of implementing densely packed lasing matrices in compact two dimensional lattices.