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Related Experiment Video

Updated: May 28, 2026

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

Unconditionally teleported quantum gates between remote solid-state qubit registers.

Mariagrazia Iuliano1, Nicolas Demetriou1, H Benjamin van Ommen1

  • 1QuTech & Kavli Institute of Nanoscience, Delft University of Technology, Delft, the Netherlands.

Nature Communications
|May 26, 2026
PubMed
Summary
This summary is machine-generated.

Researchers demonstrate a quantum Controlled-NOT gate between remote diamond qubits. This breakthrough in quantum networks uses nuclear spins for qubits and electron spins for entanglement, paving the way for distributed quantum computing.

Related Experiment Videos

Last Updated: May 28, 2026

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

Area of Science:

  • Quantum Information Science
  • Solid-State Quantum Computing
  • Quantum Networking

Background:

  • Quantum networks are crucial for distributed and modular quantum computation.
  • Remote quantum gates are typically achieved through quantum teleportation protocols.
  • Key requirements include remote entanglement, local quantum logic, and classical communication.

Purpose of the Study:

  • To demonstrate an unconditional Controlled-NOT quantum gate between remote diamond-based qubit devices.
  • To showcase the potential of solid-state systems for quantum networking.

Main Methods:

  • Utilized Carbon-13 nuclear spins as control and target qubits.
  • Employed Nitrogen-Vacancy (NV) electron spins for local logic, readout, and entanglement generation.
  • Implemented deterministic logic, single-shot readout, and real-time feed-forward for non-local gates.

Main Results:

  • Successfully implemented an unconditional Controlled-NOT quantum gate between remote diamond qubits.
  • Created a Greenberger-Horne-Zeilinger state, demonstrating genuine 4-partite entanglement across nodes.
  • Achieved non-local gates without the need for post-selection.

Conclusions:

  • This work represents a significant advancement for solid-state quantum networks.
  • The demonstrated capabilities are essential for exploring distributed quantum computing.
  • Enables testing of complex quantum network protocols on full-stack systems.