A TFLN photonic chip achieves gigahertz-rate active manipulation of time-bin quantum states, enabling loophole-free entanglement certification and continuous QKD operation at 25 kbit/s.
Time-bin entangled qubits for quantum communication created by femtosecond pulses,
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GHz-rate time-bin entangled photons were distributed over 30 km of metropolitan fiber with 93% visibility using standard components.
citing papers explorer
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Gigahertz-rate thin-film lithium niobate receiver for time-bin quantum communication
A TFLN photonic chip achieves gigahertz-rate active manipulation of time-bin quantum states, enabling loophole-free entanglement certification and continuous QKD operation at 25 kbit/s.
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Distribution of GHz sequential Time-bin Entanglement in a Metropolitan Fiber Network
GHz-rate time-bin entangled photons were distributed over 30 km of metropolitan fiber with 93% visibility using standard components.