Single-Photon Spin-Orbit Entangled States in Optical Fibers

TL;DR

This paper demonstrates the generation of single-photon spin-orbit entangled states using optical fibers, leveraging even and odd vector modes as superpositions of orbital angular momentum modes.

Contribution

It introduces a method to create spin-orbit entangled states in optical fibers using linear combinations of vector modes.

Findings

Single-photon spin-orbit entangled states can be generated in optical fibers.

Vector modes in fibers are represented as superpositions of orbital angular momentum modes.

The approach enables new possibilities for fiber-based quantum information processing.

Abstract

Even and odd vector modes in optical fibers are represented with linear combinations of orbital angular momentum modes, and considered as single-photon spin-orbit entangled states. It renders generating such states with fiber structures possible.