AI-assisted photonic QKD for resilient quantum-secure infrastructure
The challenge

Why QPIC-AI matters

Current QKD systems face critical operational challenges that prevent large-scale deployment. QPIC-AI addresses these directly.

Current QKD systems suffer from temperature, phase, and polarisation drift that degrades key rate and increases QBER.

Environmental drift

Operational QKD links often require expert intervention and planned downtime for recalibration, limiting deployment at scale.

Manual recalibration

QPIC-AI uses embedded AI to predict drift, correct instability in real time, and support auto-relock — without operator intervention.

Autonomous stabilisation

Core Technology

Technology Pilars

Four integrated technology layers work together to enable autonomous, high-performance quantum key distribution.

Thin-film LiNbO₂ photonic integrated circuits with phase modulation, polarisation control, and thermal stabilisation.

PIC-based QKD hardware

Phase-encoded BB84 QKD implementation integrated with the photonic front end for high-rate, low-latency key generation.

FPGA-based QKD engine

Lightweight AI models deployed on FPGA for real-time drift prediction, QBER stabilisation, and closed-loop actuator control.

Embedded AI control

ETSI-aligned key management and SDN orchestration for seamless integration with telecom and critical infrastructure networks.

KMS/SDN interoperability

Expecteed Results

Project targets

QPIC-AI is designed around measurable, validated performance targets.

>30%

Downtime reduction

Open

Datasets & reference designs

<3%

QBER variance

TRL 4–5

Validation level

EU–KR

Certification roadmap

ETSI+

Standards contributions
Validation

Validation pilots

Three geographically distributed pilots validate QPIC-AI under diverse real-world conditions.

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