Quantum

Towards Distributed Quantum Computing: Quantum Gate Teleportation via Satellite-Distributed Entanglement under Atmospheric Depolarization

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 13/11/2026, 07:43:25 UTC.

Briefings

A research paper published in November 2026 investigates quantum gate teleportation using satellite-distributed entanglement to enable distributed quantum computing. The study models atmospheric propagation effects as an effective two-qubit depolarizing channel, quantifying fidelity between ideal and noisy gate outputs. Key findings indicate that gate performance depends on entanglement quality, atmospheric coherence, and receiver aperture size.

Key points

• The study proposes a minimal four-qubit protocol for satellite-enabled distributed quantum computing using quantum gate teleportation.
• Atmospheric propagation effects are modeled as an effective two-qubit depolarizing channel, with fidelity governed by entanglement quality, atmospheric coherence, and receiver aperture.

Context

This research connects physical-layer modeling of satellite optical channels with gate-level performance in distributed quantum computing, addressing a critical infrastructure challenge for future quantum networks.

Limitations

The evidence is limited to a single preprint from arXiv without peer review or experimental validation. Specific numerical values for atmospheric parameters and fidelity thresholds are not provided, and the study does not report on operational deployment or long-term stability.

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