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Space-Based Quantum Key Distribution Network by IonQ

Strategic acquisitions power IonQ's aspirations for the first space-based quantum key distribution network.

Quantum Key Distribution Network

Today, quantum computing and networking leader IonQ will launch the first global space-to-space and space-to-ground satellite quantum key distribution (QKD) network. IonQ wants to be the first company with a quantum computer and network in space.

IonQ bought Capella Space Corporation to accelerate this unique network. Capella Space, a prominent signals platform supplier, supports commercial and top-secret government applications. The acquisition should close in the second half of 2025 after regulatory clearances and other closing conditions. IonQ's quantum-space initiatives will be managed by Capella CEO Frank Backes when the purchase closes.

Qubitekk, a quantum networking pioneer, and ID Quantique, SA, a leader in quantum-safe networking and sensing technologies, were bought by IonQ. This strategy builds on both acquisitions. It follows a previously revealed MOU with Intellian Technologies, Inc., an international ground gateway and satellite communication antenna supplier. IonQ believes acquiring Capella will enhance and accelerate its quantum networking leadership. IonQ's quantum computing partnerships with US top-secret agencies are expected to grow.

IonQ CEO Niccolo de Masi stated, “We have a unique opportunity to accelerate our vision for the quantum internet, where global Quantum Key Distribution will play a foundational role in enabling secure communications.” Due to its acquisitions of Lightsynq and Capella and future partnership with Intellian, IonQ is “well positioned to lead the next-generation quantum internet,” he said.

Quantum Key Distribution (QKD) employs quantum mechanics to make encryption keys uninterceptable and detected immediately. QKD deployment was previously limited to shorter distances. IonQ intends to construct global quantum-secure networks using Capella's top-secret communications and Lightsynq's long-distance quantum repeaters.

Capella CEO Frank Backes believes space is IonQ's next frontier in quantum computing, quantum networking, and ultra-secure settings. Space-based activities might be transformed by ultra-secure communications for data transmission with unprecedented security using quantum technology. Backes said IonQ's quantum capabilities with Capella's superior platform and constellation will boost analytics, sensors, and security for commercial and international defence and intelligence operations.

The acquisition should improve IonQ's quantum networking technology, which is needed to build the quantum internet and space economic infrastructure. It also capitalises on IonQ's recent intelligence and military successes. This strategy led to a quantum networking contract with ARLIS and an agreement with AFRL to deploy a system in Rome, New York. IonQ also signed a £17.6 million ($22 million) deal with EPB, a major Chattanooga energy and communications provider, to create the nation's first quantum computing and networking hub.

Subject to regulatory approval, Capella Space will become a fully owned subsidiary of IonQ after the transaction. Capella's advanced sensing and other resources should help create “sovereign-grade intelligence capabilities”. An AI-augmented ISR stack with orbital sensors, quantum computing, and secure networks will assist the U.S. and its allies.

IonQ, a networking and quantum computing pioneer, provides high-performance solutions for complex commercial and research applications. Current quantum computer models IonQ Forte and IonQ Forte Enterprise have 36 algorithmic qubits. Forbes' 2025 Most Successful Mid-Cap Companies list, Newsweek's 2025 Excellence Index 1000, and Built In's 2025 100 Best Midsize Places to Work in Seattle and Washington, DC have recognised IonQ's technology and growth. IonQ offers quantum computing through top cloud providers.

The announcement also included acquisition advisors. Paul, Weiss, Rifkind, Wharton & Garrison LLP represents IonQ. Citi is Capella Space's only financial advisor and Freshfields LLP its legal advisor.

The news release advised against forward-looking statements due to risks and uncertainties that might significantly alter future events. These include closing conditions, regulatory approvals, Capella integration and benefits, technical issues, competitive landscape alterations, and IonQ's ability to generate value and secure new contracts.