After four decades of progress in Quantum Key Distribution (QKD), the demand for unconditional security in real-world networks has never been more critical. As part of the Allegro project, we’ve explored an advanced Measurement Device Independent (MDI) QKD protocol...
Demonstrating Our Integrated Quantum Key Distribution (QKD) Setup
As part of the ALLEGRO Horizon Europe project, we are proud to showcase the performance of our silicon nitride photonic integrated receiver by implementing the three-state time-bin BB84 protocol [Boa18]. 📡 What we’ve built:Our experimental setup integrates a full QKD...
Designing the Future of Secure Communication – Multiprotocol QKD Receiver on Silicon Nitride PICs
At Allegro and Eindhoven University of Technology (TU/e), we're pushing the boundaries of quantum-safe communication by developing a versatile, photonic integrated receiver for quantum key distribution (QKD). This receiver is protocol-flexible, supporting BB84,...
Allegro Project Insight: Traffic Splitting Strategies in Optical Metro-Core Networks
In our second simulation scenario, we explored a more realistic traffic distribution:📦 50% directed to National Nodes🏢 50% routed to a Regional Datacenter We evaluated two distinct traffic splitting approaches: 🔹 P2P-split:Traffic is split at a high-capacity root...
Allegro Project Insight: Cost-Effective Backbone Networks with OSNR-Aware Design
Our latest evaluation focuses on the impact of OSNR budgets and P2P transceiver costs on total network expenditure. 🔍 Highlights from Figures 45 & 46: Figure 45 presents the distribution of P2P transceivers under OSNR degradations of:(a) 1.5 dB/span(b) 3.0...
Allegro Project Insight: Optimizing P2MP & P2P Transceivers in Metro-Core Networks
🔬 Allegro Project Insight: Optimizing P2MP & P2P Transceivers in Metro-Core Networks In our continued exploration of OSNR-aware design, we analyzed how Point-to-Multipoint (P2MP) and Point-to-Point (P2P) transceivers behave under varying OSNR budgets. 📊 📍 Key...
Allegro Project Update: Backbone Traffic Optimization
In our latest simulation, we explored how traffic is routed from Aggregation Nodes to National Nodes in the backbone network. 📡 A key highlight: we analyzed transceiver cost variations as a function of the OSNR budget available at the output of the horseshoes. This...
Allegro Project Update – Realistic Network Topology for Numerical Evaluation
As part of our simulation efforts in the Allegro Project, we’ve used a realistic and statistically accurate model inspired by a large macro-region of TIM’s operational metro-regional network. 🔧 Network Topology Overview: 🔹 95 core nodes: • 89 Regional nodes (66 hubs +...
Project Update: Allegro Architecture Evaluation Over Realistic Metro-Regional DWDM Scenario
As part of our ongoing work in the Allegro Project, we’ve completed an in-depth evaluation of the proposed network architecture using a realistic scenario inspired by actual metro-regional DWDM networks. 📡 The studied network architecture mirrors a real-world...
Allegro Project Update: Simulation Insights with Flexible Transponders
Our latest simulation results offer compelling evidence on the benefits of deploying flexible transponders in metro/regional networks. 🔧 Simulation Assumptions: OSNR degradation of 3 dB per 80 km in regional domains Adaptive modulation — lowered when OSNR drops below...