CSIRO Engineers Deploy Field-Ready Quantum Light Sources for Secure Ground-to-Satellite Time Transfer - Quantum Computing Report

The Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia’s national science agency, has engineered and delivered two field-ready Quantum Light Sources to support defense timing synchronization networks. Developed for a defense program managed by the Defence Science and Technology Group (DSTG) in Adelaide, the portable hardware modules act as high-flux entangled photon sources. The deployment establishes a localized, tamper-evident communication link designed to preserve precise Positioning, Navigation, and Timing (PNT) data for the Australian Defence Force (ADF) when conventional Global Navigation Satellite System (GNSS/GPS) frequencies face localized electronic warfare threats. The underlying physical framework relies on continuous entanglement distribution to bypass [...]

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