Latest posts tagged with #QuantumNetworking on Bluesky
A systematic method using Givens Transformations maps qubit graph Hamiltonians to linear XX chains, enabling analytic derivation of interaction coefficients that guarantee perfect quantum state transfer across diverse graph architectures.
#QuantumStateTransfer #QuantumNetworking #Research
A hybrid GHZ-BSM routing strategy outperforms conventional Bell state routing in square grid networks and achieves distance-independent entanglement rates, but requires global coordination for Waxman and scale-free topologies.
#QuantumNetworking #EntanglementRouting #Research
Researchers at CNR/INO achieved 97.1% Franson interference visibility using a passively-stabilised PPLN photonic integrated circuit at telecom wavelengths — no active control needed, CAR >1000 at just 1.7mW pump power.
#PhotonicQuantum #QuantumNetworking #News
Chicago-based memQ raised $10M Series A led by Quantonation & Ocean Azul Partners to deploy its xQNA portfolio—quantum NICs, memory modules & distributed compiler—linking quantum computers via standard optical telecom links.
#QuantumNetworking #QuantumFunding #News
Welinq's Tom Darras details how shared optical entanglement links QPUs across modalities, achieving 95% memory efficiency, 1ms storage time, and millisecond-regime distribution via the AraQne compiler—enabling quantum-augmented data center clusters.
#QuantumNetworking #QuantumComputing #News
UCL study of 81 real quantum network topologies identifies 4 performance regimes. Well-connected networks retain >90% entanglement distribution with 20% fewer repeaters; topology outweighs routing protocol choice.
#QuantumNetworking #EntanglementDistribution #News
97.1% two-photon Franson interference visibility achieved using cascaded PPLN + passive PIC Mach-Zehnder interferometers at telecom C-band, with CAR >10³ at 1.7 mW pump—no active phase stabilization required, fully DWDM-compatible.
#QuantumPhotonics #QuantumNetworking #Research
First km-scale phase-encoded QSDC demonstrated over 1.4 km urban free-space + 10 km fiber, achieving 99.07% interference visibility, 2.38% QBER, and 4.22 kbps — an 8× rate and 140× distance improvement over prior free-space QSDC.
#QuantumCommunication #QuantumNetworking #Research
Pirandola derives capacity bounds for polarization entanglement distribution in optical fiber using an erasure-Pauli channel model. Active polarization control enables ~5M ebits/s at 100km, with results proven robust against detector dark counts.
#QuantumNetworking #QuantumCommunication #Research
CableLabs extends single-source SPDC quantum time sync to 4-user star networks (fiber & free space), achieving 50ps precision with atomic clocks and 20ps with GPS-disciplined oscillators—3 orders of magnitude over GPS alone.
#QuantumNetworking #QuantumSensing #Research
ILP-based framework optimizes monitor placement in quantum networks using QFIM & QCRB. Two formulations (QF, QMF) balance estimation accuracy vs. monitoring overhead, with proven optimality for star topologies and O(n log n) algorithm.
#QuantumNetworking #QuantumTomography #Research
Researchers achieved ~79.4% efficient telecom conversion of atomic biphotons using diamond-type FWM in cold Rb ensembles, preserving temporal waveforms and nonclassical correlations—enabling practical atomic-to-fiber quantum network interfaces.
#QuantumNetworking #QuantumPhotonics #Research
TUM researchers present QuaNTUM, an open-access campus testbed integrating fiber QKD, entanglement distribution, and hBN single-photon emitters—with solid-state quantum sources being deployed aboard CubeSats for satellite-ground quantum links.
#QuantumNetworking #QKD #Research
Neural-network inverse design optimized an AlGaAs microcavity to emit polarization-entangled photon pairs at 1092 nm (88Sr+ ion transition) & 1550 nm (telecom C-band), achieving ~36x SPDC efficiency gain for scalable hybrid quantum networking.
#QuantumNetworking #PhotonicQuantum #TrappedIons
A Delay Differential Equation framework reveals photon-echo-driven synchronization in short quantum links, enabling STIRAP to achieve quadratic infidelity O((γτ)²)—outperforming SWAP and CZKM protocols for γτ≲1.44 on current circuit-QED hardware.
#QuantumNetworking #CircuitQED #Research
Novel 4-party QKD protocol exploiting full network nonlocality achieves QBER below 13.7%, outperforming Bell-CHSH-based protocols (14.6%), by using trilocal inequality violation for eavesdropper detection in star-shaped quantum networks.
#QuantumCryptography #QuantumNetworking #Research
OIST & Keio researchers achieve linear O(n) scaling for graph state preparation using a split-fuse construction and QASST, enabling hundreds-of-qubit states for measurement-based QC and quantum networking — down from O(n²) gate complexity.
#QuantumNetworking #GraphStates #News
A minimal two-parameter (ramp rate + delay) pulse-shaped pitch-and-catch protocol achieves >99.9% quantum state transfer fidelity across single-mode to multimode resonator regimes in circuit-QED and quantum-acoustic systems.
#QuantumNetworking #CircuitQED #Research
HCF yields up to 10x improvement in secret-key rate over silica SMF in multiplexed two-way quantum repeater networks, enabling larger repeater spacing, memory-native wavelength transmission, and lower operational costs across realistic noise regimes.
#QuantumNetworking #HollowCoreFiber #Research
New QASST-based split-fuse method achieves linear scaling in CZ gates, circuit depth & auxiliary qubits for distance-hereditary graph state prep—outperforming brute-force LC orbit search for large-scale MBQC and quantum networking.
#GraphStates #QuantumNetworking #MBQC
SEALSQ Corp plans to acquire Swiss firm Miraex SA, whose TFLT photonic integrated circuits enable microwave-to-optical transduction for distributed quantum computing, sensing, and networking — including space-based QSOC nanosatellite deployments.
#QuantumNetworking #PhotonicQuantum #News
IonQ disclosed Q1 2025 earnings alongside strategic acquisitions targeting acceleration of both its quantum computing and quantum networking roadmaps, with metrics benchmarked against Q4 2024 and Q1 2024.
#IonQ #QuantumNetworking #News
IonQ has completed its acquisition of ID Quantique (IDQ), making IDQ a subsidiary. The move strengthens IonQ's position in quantum networking and quantum-secure communications globally.
#QuantumNetworking #QKD #News
BURY algorithm outperforms state-of-the-art k-partition methods by minimizing Bell pair consumption via matching-size optimization—not edge cuts—enabling scalable distributed MBQC across multiple QPUs.
#QuantumNetworking #MBQC #Research
📸 At Mobile World Congress, Hugues de Riedmatten shared how QIA is advancing #QuantumNetworking, from research to deployable infrastructure.
Prsentation highlights: quantum connectivity over telecom fiber, early quantum network OS, and portable quantum nodes enabling real-world demos.
Cold-atom quantum memory stores 11 spatial POV modes with >80% uniform efficiency and >99% qubit fidelity, achieving a record 3.56 bits/min over a 1000 km repeater link using a new quantum interconnect rate benchmark.
#QuantumMemory #QuantumNetworking #Research
🛫QIA is heading to Bilbao on 18–19 May for the Q-Expo.
As a strategic partner of the European Quantum Industry Consortium, QIA will lead a plenary on #quantumnetworking, convene the QIA Technology Forum & connect across the quantum ecosystem.
Read more: quantuminternetalliance.org/2026/02/24/q...
エアバスは、量子通信チャネルをセキュアに確立する手法と技術の特許を取得したばかりです！この革新は、将来にわたって安全な通信を保証する堅牢な量子ネットワークを構築するための鍵となります。
#QuantumTech #AirbusInnovation #QuantumNetworking #InformaQ
#QuantumTech #AirbusInnovation #QuantumNetworking
Quantum computing could break internet encryption by 2027—years ahead of schedule. Gary Bolton explains why network operators must act now on quantum-safe solutions. 🔐 www.youtube.com/watch?v=2iRB... #QuantumNetworking #Cybersecurity #QDay
Cisco Live EMEA
Experience the future of networking with Outshift by Cisco at Cisco Live EMEA 2026! Discover quantum breakthroughs like our Entanglement Chip and Quantum Lab. Visit our booth in Amsterdam, Feb 9-13. cs.co/63324C0vur #QuantumNetworking #CiscoLiveEMEA
