Deterministic Generation of Large-Scale Entangled Photonic Cluster State from Interacting Solid State Emitters

Mercedes Gimeno-Segovia, Terry Rudolph, Sophia E. Economou

Research output: Contribution to journalArticle (Academic Journal)

3 Citations (Scopus)
93 Downloads (Pure)

Abstract

The ability to create large highly entangled "cluster" states is crucial for measurement-based quantum computing. We show that deterministic multiphoton entanglement can be created from coupled solid state quantum emitters without the need for any two-qubit gates and regardless of whether the emitters are identical. In particular, we present a general method for controlled entanglement creation by making direct use of the always-on exchange interaction, in combination with single-qubit operations. This is used to provide a recipe for the generation of two-dimensional, cluster-state entangled photons that can be carried out with existing experimental capabilities in quantum dots.

Original languageEnglish
Article number070501
Number of pages5
JournalPhysical Review Letters
Volume123
Issue number7
DOIs
Publication statusPublished - 12 Aug 2019

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