#quantum-dots

All articles tagged with "quantum-dots"

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Quantum Dots Learn a New Trick: Moving Qubits Without Losing the Message

New research suggests spin qubits hosted in quantum dots can be moved from one dot to another without destroying quantum information, potentially combining the manufacturing advantages of electronic qubits with the flexi

Key Takeaways

Researchers reported moving spin qubits between quantum dots without losing quantum information.
The result could improve connectivity in semiconductor-based quantum systems.

DT Editorial Team·May 9, 2026·via arstechnica.com

Quantum teleportation experiment links separate photon sources across 270 meters

Researchers say they transferred the polarization state of a single photon between two physically separated quantum dots over a 270-meter free-space link.

Key Takeaways

Researchers say they teleported a photon polarization state between two separate quantum dots.
The experiment used a 270-meter open-air optical link.

DT Editorial Team·Apr 30, 2026·via sciencedaily.com

China Achieves 98% Purity in Quantum Photon Pair Source

Chinese researchers developed a quantum dot device that emits photon pairs with 98.3% purity, one of the highest ever achieved in a solid-state system, advancing quantum networking.

Key Takeaways

Device achieves 98.3% photon pair purity using a dark-state quantum pathway
Pair-generation efficiency reached 29.9%, among the best for solid-state systems

DT Editorial Team·Mar 9, 2026·5 min read·via interestingengineering.com