Entangled states of local dimension d enable strictly higher probability of agreeing on a common frequency band than the optimal classical strategy for sufficiently large safe bands d and spectrum size n, with an explicit 5.4% asymptotic advantage for d=2 using one Bell pair.
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Demonstration of telecom quantum memory storing single-photon pulses for more than 1 μs in erbium-doped nanophotonic lithium niobate with phase coherence, sub-photon noise, up to 20 temporal modes, and 2.2 GHz bandwidth.
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Quantum Advantage for Coordinated Frequency Selection Against Distributed Jammers
Entangled states of local dimension d enable strictly higher probability of agreeing on a common frequency band than the optimal classical strategy for sufficiently large safe bands d and spectrum size n, with an explicit 5.4% asymptotic advantage for d=2 using one Bell pair.
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Telecom quantum memory over one microsecond in nanophotonic lithium niobate
Demonstration of telecom quantum memory storing single-photon pulses for more than 1 μs in erbium-doped nanophotonic lithium niobate with phase coherence, sub-photon noise, up to 20 temporal modes, and 2.2 GHz bandwidth.