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

Research output: Contribution to journalArticle

  • Mercedes Gimeno-Segovia
  • Terry Rudolph
  • Sophia E. Economou
Original languageEnglish
Article number070501
Number of pages5
JournalPhysical Review Letters
Issue number7
DateAccepted/In press - 8 Jan 2018
DatePublished (current) - 12 Aug 2019


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.

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