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Updated: Jan 20, 2026

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

Mercedes Gimeno-Segovia1,2, Terry Rudolph2, Sophia E Economou3

  • 1Quantum Engineering Technology Labs, H. H. Wills Physics Laboratory and Department of Electrical and Electronic Engineering, University of Bristol, BS8 1FD, United Kingdom.

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Summary
This summary is machine-generated.

Researchers demonstrate deterministic multiphoton entanglement for quantum computing using solid-state emitters. This method bypasses two-qubit gates, enabling scalable cluster state generation with quantum dots.

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Area of Science:

  • Quantum Information Science
  • Solid-State Physics

Background:

  • Measurement-based quantum computing relies on highly entangled cluster states.
  • Generating these states deterministically is a significant challenge in quantum information science.

Purpose of the Study:

  • To present a general, deterministic method for creating multiphoton entanglement.
  • To enable the generation of two-dimensional cluster states using solid-state quantum emitters.

Main Methods:

  • Utilizing the inherent exchange interaction between coupled quantum emitters.
  • Implementing single-qubit operations in conjunction with the exchange interaction.
  • Leveraging existing experimental capabilities with quantum dots.

Main Results:

  • Demonstrated deterministic creation of multiphoton entanglement without two-qubit gates.
  • Showcased a method applicable to non-identical quantum emitters.
  • Provided a recipe for generating two-dimensional cluster-state entangled photons.

Conclusions:

  • This approach offers a scalable pathway to generating essential cluster states for quantum computing.
  • The method is compatible with current quantum dot technology, facilitating experimental implementation.