Confinement of Light in Disordered Photonic Lattices: A New Platform for Waveguidance

TL;DR

This paper demonstrates how introducing specific disorder into 1D photonic lattices can localize light transversely and enable a novel waveguiding mechanism, expanding the potential for photonic device design.

Contribution

It presents a new approach to waveguiding by utilizing disorder-induced localization in photonic lattices, a departure from traditional ordered structures.

Findings

Disorder causes transverse localization of light in 1D lattices.

Longitudinally-invariant transverse disorder enables a new waveguiding mechanism.

Disorder-based waveguides could lead to novel photonic device applications.

Abstract

A right amount of disorder in the form of refractive index variation has been introduced to achieve transverse localization of light 1D semi-infinite photonic lattices. Presence of longitudinally-invariant transverse disorder opens-up a new waveguiding mechanism.