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Global-Scale Information-Theoretic Secure Communication using QKD and Distributed Secure Key Establishment
Toshiba researchers have demonstrated a new network architecture for global-scale information-theoretic secure communication, combining QKD and Distributed Symmetric Key Establishment (DSKE), including the extension of...
Hungary’s First Multi-Link Quantum Key Distribution Network
Toshiba has worked with Magyar Telekom and other partners to deploy Hungary's first multi-node QKD network, paving the way for further implementations across Europe as...
Building Europe’s largest and most complex quantum network with scalable QKD technology and software-defined networking
Multiple Toshiba QKD systems have been deployed as part of the Madrid “MadQCI” network, delivering the highest key rate of any system on Europe’s largest...
[EXTERNAL] Twin-field quantum key distribution with optical injection locking and phase encoding on-chip
Researchers from Toshiba and the University of Cambridge have shown how twin-field QKD can overcome challenges associated with delivering effective QKD services over long distances.
Transforming Telecoms: Easing Your Transition to a Quantum-Safe Network
Quantum Key Distribution (QKD) technology offers a powerful way to securely transmit data without risk of decryption, even by quantum computers. But integrating the technology...
[EXTERNAL] Real-time gigahertz free-space quantum key distribution within an emulated satellite overpass
Researchers have demonstrated a real-time QKD system that is capable of forming a 4.58-megabit secure key between two nodes within an emulated satellite overpass.
Securing Critical Infrastructure using Trackside Fibre
Toshiba QKD-MU system deployed over a 46 km fibre pair, running 5m from busy railway Robust quantum key generation enabled through advanced active stabilization technology...
London Quantum-Secured Metro Network (PDF, 480KB)
Find out more about our London Quantum-Secured Metro Network which uses Quantum Key Distribution between three London nodes together with customer access tails. The commercially...
[EXTERNAL] Paving the way toward 800 Gbps quantum-secured optical channel deployment in mission-critical environments
This article describes experimental research studies conducted toward understanding the implementation aspects of high-capacity quantum-secured optical channels in mission-critical metro-scale operational environments using quantum key...
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Global-Scale Information-Theoretic Secure Communication using QKD and Distributed Secure Key Establishment
Toshiba researchers have demonstrated a new network architecture for global-scale information-theoretic secure communication, combining QKD and Distributed Symmetric Key Establishment (DSKE), including the extension of draft emerging standards for vendor-interoperable quantum key relay (ETSI 020).
Hungary’s First Multi-Link Quantum Key Distribution Network
Toshiba has worked with Magyar Telekom and other partners to deploy Hungary's first multi-node QKD network, paving the way for further implementations across Europe as part of the EuroQCI initiative.
Defence-in-Depth Solutions Today for a Quantum-Safe Tomorrow
QKD and PQC are the two main technologies for protecting against quantum-based attacks. Learn how they can be combined to provide defence-in-depth for communications networks.
Building Europe’s largest and most complex quantum network with scalable QKD technology and software-defined networking
Multiple Toshiba QKD systems have been deployed as part of the Madrid “MadQCI” network, delivering the highest key rate of any system on Europe’s largest and most complex quantum network The metro-scale network enables quantum-safe...
[EXTERNAL] Twin-field quantum key distribution with optical injection locking and phase encoding on-chip
Researchers from Toshiba and the University of Cambridge have shown how twin-field QKD can overcome challenges associated with delivering effective QKD services over long distances.
Latest research
- A semiconductor quantum dot interface for entangled multiphoton generation in the telecom C-band
- Electrically Tunable and Purcell Enhanced Telecom Single-Photon Emission from Quantum Dots in Circular Photonic Crystal Resonators
- Phase Randomization of DFB Laser Pulses Beyond the Diffusion Limit
- Seamless Satellite–Fibre Quantum Networking with a Compact Space-Deployable QKD Payload
- Feasibility of multi-gigahertz satellite-to-ground secure quantum communication
- Compact GHz-Gated InGaAs/InP SPAD Arrays for Quantum Key Distribution