IonQ Moves to Establish First Space-Based Quantum-Secure Network with Capella Acquisition

IonQ (NYSE: IONQ), a quantum computing and networking company, announced plans to develop the world’s first quantum key distribution (QKD) network spanning space-based and terrestrial infrastructure. Central to this effort is IonQ’s newly signed agreement to acquire Capella Space Corporation, a satellite signals platform provider with advanced capabilities for secure data transmission and intelligence gathering.

The transaction, expected to close in the second half of 2025 pending regulatory approval, aligns with IonQ’s broader vision of creating a global quantum-secure communication system—what it calls the “quantum internet.” Once completed, Capella will become a wholly owned subsidiary of IonQ, and its CEO Frank Backes will lead the company’s quantum-space initiatives.

This move follows IonQ’s recent acquisitions of Qubitekk and ID Quantique, two leaders in quantum-safe networking and quantum detection systems, as well as a strategic partnership with Intellian Technologies, a satellite antenna and gateway provider. Together, these steps are shaping IonQ’s roadmap to a new era of secure communications supported by quantum technologies.

Capella’s secure signals capabilities will be combined with QKD systems and long-distance quantum repeaters from IonQ’s other recent acquisition, Lightsynq. This combination aims to overcome the distance limitations that have historically constrained QKD networks. The new satellite system will support encrypted transmissions that are theoretically immune to interception, making it particularly attractive for defense, intelligence, and critical infrastructure applications.

CEO Niccolo de Masi stated that the combined technologies of Capella, Lightsynq, and other partners, will accelerate IONQ’s push to build a global quantum-secure communications network.

Capella has a track record of serving top-secret defense clients and operates a constellation of Earth-observing satellites that will now be integrated with IonQ’s quantum capabilities to create a more secure AI-driven surveillance and data analytics system.

This announcement builds on IonQ’s recent momentum in government and defense markets, including contracts with the U.S. Air Force Research Lab and the Applied Research Laboratory for Intelligence and Security (ARLIS). The company also recently partnered with EPB in Tennessee to build the nation’s first quantum computing and networking hub.