IonQ Demonstrates 1 kHz Memory-Enhanced Quantum Interconnect Connecting Trapped ...

IonQ demonstrated a heralded photonic quantum interconnect linking a trapped 138 Ba+ ion qubit with a silicon-vacancy diamond quantum memory at a record 1.032 kHz entanglement rate and 87.9% state fidelity. This memory-enhanced link eliminates a major photon-loss bottleneck, advancing scalable distributed quantum computing and validated by a foundry-compatible diamond thin-film fabrication process developed with AWS and Element Six.

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