Quantum 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.social
@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.
@informaq.bsky.socialEurope's largest port now deploys scalable, multi-user quantum key distribution technology for secure communications with customs and logistics partners, demonstrating commercial readiness of quantum security infrastructure.
@informaq.bsky.socialGÉANT and the Quantum Internet Alliance signed an MoU to accelerate quantum networking deployment across Europe, combining infrastructure expertise with quantum technology knowledge for field trials and cross-border implementations.
@informaq.bsky.socialInfleqtion and Cisco co-develop quantum networking integrating neutral-atom QPUs, atomic clocks, and quantum memory with Cisco's software-defined networking to create scalable distributed quantum clusters using telecom-band photonic transduction.
@informaq.bsky.socialQuantum researchers successfully transmitted entangled photons 7 kilometers across Guanabara Bay in Brazil, advancing long-distance quantum communication infrastructure capabilities.
@informaq.bsky.socialInfleqtion and Cisco partner to advance quantum networking research, combining expertise in neutral atom quantum computing with networking infrastructure.