@informaq.bsky.socialNanjing University achieved O(η) loss scaling in multi-party quantum cryptographic conferencing, solving a key bottleneck. Their asynchronous protocol eliminates global phase locking and demonstrates 59.6 dB loss tolerance across three users.
@informaq.bsky.socialHarvard researchers achieved a 3.2× extension of silicon-vacancy qubit dephasing time using continuous acoustic fields instead of microwave pulses, enabling coherence protection compatible with phononic cavity networks for quantum information storage.
@wealthwise-dca.bsky.socialIonQ entered a multi-year partnership with South Korea’s SDT to deploy its Superion 256 quantum computer and silicon-vacancy (SiV) quantum memory in the country, marking the first deployment of each technology in South Korea.
#IONQ #QuantumComputing #QuantumTechnology #QuantumNetworking
@informaq.bsky.socialResearchers demonstrate cavity-assisted photon scattering for generating entangled atom pairs at 2×10⁵ s⁻¹ with 0.999 fidelity while tolerating photonic imperfections—a major advance toward practical, scalable quantum networks.
@informaq.bsky.socialFramework for efficient entanglement distribution across hybrid quantum networks combining discrete and continuous variables. Demonstrates performance advantages in series-parallel topologies via specialized swapping and concentration protocols.
@informaq.bsky.socialQuantum key distribution extended to multiple users, enabling secure quantum conferencing and supporting scalable quantum networks for many-participant communication while maintaining quantum mechanical security guarantees.
@informaq.bsky.socialClosed-form capacity formulas for quantum relay channels established. Novel compress-forward strategy enables relay to compress Pauli-error information, optimally reducing noise for quantum communication networks.
@informaq.bsky.socialPatent-protected quantum protocol uses multipartite entanglement and GHZ states to establish secure distributed consensus, eliminating communication overhead required by classical proof-of-work consensus mechanisms.
@informaq.bsky.socialResearchers operated a quantum-secure network for 22 days over 140km of fiber, integrating entanglement-based QKD with post-quantum cryptography to protect healthcare communications while seamlessly working with existing VPN infrastructure.
@informaq.bsky.socialResearchers demonstrate 180-microsecond storage of telecom-wavelength single photons in Pr3+:Y2SiO5 crystals using XY4 spin-rephasing, advancing scalable quantum repeater technology for long-distance quantum networks.
@informaq.bsky.socialPresents Pareto optimization approach for hybrid quantum networks that simultaneously maximizes entanglement generation rate and fidelity, computing efficient routing paths in polynomial time to enable application-specific path selection.
@informaq.bsky.socialQLSP algorithm jointly optimizes entanglement distribution paths by balancing rate-fidelity tradeoffs. Finds Pareto-optimal solutions that simpler routing methods miss, with polynomial-time approximation guarantees for quantum key distribution.
@informaq.bsky.socialHarvard researchers demonstrated acoustic phonons can shield quantum information in diamond-based qubits, extending coherence time by 3x. This dual-role approach enables compact, sound-based quantum networks on chips.
@informaq.bsky.socialControlling spontaneous decay in trapped calcium ions dramatically improves single photon indistinguishability for quantum networks. Research shows practical nanosecond-pulse control eliminates demanding ultrafast laser requirements.
@informaq.bsky.socialResearchers developed a hybrid quantum communication protocol combining classical error correction with entanglement and superdense coding that exceeds previous performance bounds for data rate and energy efficiency in short-distance quantum networks.
@informaq.bsky.socialInfleqtion and Cisco unveiled quantum networking architecture linking neutral-atom systems with Cisco infrastructure. Their Universal Quantum Switch routes quantum information across diverse systems, advancing scalable distributed quantum computing.
@informaq.bsky.socialPartnership establishes operational framework for European quantum internet, transitioning laboratory prototypes to cross-border field trials and enabling distributed quantum computing across 40 research networks.
@informaq.bsky.socialQuantum network tomography requires probe path constraints beyond measurement completeness. Novel FIM analysis reveals that topology and monitor placement critically determine link parameter identifiability.
@informaq.bsky.socialDemonstrated quantum correlations between telecom photons and a 10-cell solid-state quantum memory array, achieving 60-fold enhancement in entanglement distribution rates through temporal multiplexing over a 39 km metropolitan fiber network.
@informaq.bsky.socialFalqon Systems (formerly Q*Bird) raises €2.5M to expand quantum-secure networking using Measurement-Device-Independent QKD, targeting critical infrastructure protection across Europe.