# Quantum information processing with space-division multiplexing optical fibres

## TL;DR

This paper reviews recent advances in using space-division multiplexing optical fibres for quantum information processing, highlighting new protocols, devices, and potential for manipulating quantum systems with this technology.

## Contribution

It provides a comprehensive overview of how SDM optical fibres are being utilized in quantum information processing, a novel integration of fibre technology and quantum protocols.

## Key findings

- Demonstration of quantum protocols using SDM fibres
- Potential for scalable quantum communication systems
- New methods for quantum state manipulation

## Abstract

The optical fibre is an essential tool for our communication infrastructure since it is the main transmission channel for optical communications. The latest major advance in optical fibre technology is spatial division multiplexing (SDM), where new fibre designs and components establish multiple co-existing data channels based on light propagation over distinct transverse optical modes. Simultaneously, there have been many recent developments in the field of quantum information processing (QIP), with novel protocols and devices in areas such as computing, communication and metrology. Here, we review recent works implementing QIP protocols with SDM optical fibres, and discuss new possibilities for manipulating quantum systems based on this technology.