Generate tensor network state by sequential single-photon scattering in waveguide QED systems

TL;DR

This paper presents a method to generate complex photonic tensor network states using sequential single-photon scattering in waveguide QED systems, enabling the creation of various entangled states for quantum information processing.

Contribution

It introduces a novel scheme for producing tensor network states through sequential photon scattering, expanding the capabilities of waveguide QED systems.

Findings

Sequential scattering can produce any matrix product state.

Photon re-scattering enables generation of projected entangled pair states.

The scheme is versatile for different tensor network configurations.

Abstract

We propose a scheme to generate photonic tensor network states by sequential scattering of photons in waveguide QED systems. We show that sequential scatterings can convert a series of unentangled photons into any type of matrix product states. We also demonstrate the possibility of generating projected entangled pair states with arbitrary network representation by photon re-scattering.