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Sparrow Quantum has achieved a breakthrough in photonic quantum computing by developing a deterministic photon source that delivers over 500 million usable photons per second into optical fiber. This high-flux, indistinguishable photon stream is critical for scaling up complex quantum experiments involving multiple photons and advancing practical quantum networking applications. The advancement addresses a fundamental bottleneck in photonic systems, where previous probabilistic sources limited the complexity of entangled states that could be generated.

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Sparrow Quantum Sets Record With 500 Million Usable Photons Per Second

The Quantum InsiderSeptember 7, 20264 min read

Insider Brief PRESS RELEASE — Quantum computers are being built in several ways: superconducting circuits, trapped ions, neutral atoms, semiconductor spins and photonics. Photonic quantum systems have one fundamental advantage: their information carriers can travel through optical fibre, making the same technology relevant to both quantum processors and quantum networks. What photonic quantum systems need […]

Sparrow Quantum and Ruhr University Bochum developed a deterministic source that delivers more than 500 million usable photons per second into optical fiber. The source operates at 1 gigahertz with more than 50% fiber efficiency while maintaining high photon purity and indistinguishability without spectral filtering. The increased photon supply could enable experiments involving 10 to 20 photons and support applications in quantum computing, networking, communications and metrology. PRESS RELEASE — Quantum computers are being built in several ways: superconducting circuits, trapped ions, neutral atoms,…

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