Boeing Launches Quantum Satellite for In-Space Test

Boeing's Quantum Breakthrough: In-Space Communications

Q4S, a satellite built by Boeing, is slated to launch in 2026 with the goal of demonstrating quantum entanglement swapping in orbit. This first-of-its-kind space mission, funded by Boeing, advances humankind's efforts to establish a safe, worldwide quantum internet that links quantum computers and sensors.

With their ability to interpret massive volumes of data and their far greater precision than current instruments, quantum computers and sensors have the potential to completely transform a wide range of sectors. By demonstrating quantum networking in space, this experiment hopes to shed light on how these networks are able to be constructed over great distances and maintain a high degree of synchronization.

Boeing is setting the stage for a revolution in how we handle information with secure, quantum-enhanced applications, such as fault-tolerant systems that reduce errors in computing, secure voting mechanisms that protect electoral integrity, and blind quantum computing which allows data to be processed without exposure.

The two entangled-photon pair sources are contained within a space spacecraft for the duration of the year-long Q4S demonstration. A joint venture between Boeing and General Motors, HRL Laboratories is Boeing's payload and technology partner. As the joint team completes technical designs for a space-hardened payload that is prepared for launch, they have achieved notable progress in benchtop exercises.