Quantum communication
Quantum communication uses the laws of quantum mechanics to transmit information securely. It relies on single-photon transmission, where any eavesdropping attempt causes a physically detectable disturbance.
Knowledge Base
Quantum technology and AI — explained.
Core concepts, explanations and references covering quantum communication, QKD, Post-Quantum Cryptography (PQC), quantum sensing, quantum computing and the AI intersection.
Q&A · HQCC
The most common questions about quantum technology.
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Quantum technology is an umbrella term for applications that exploit quantum-mechanical phenomena — superposition, entanglement and measurement back-action — to achieve capabilities beyond classical systems. Its main pillars are quantum communication (e.g. QKD), quantum computing, quantum sensing and quantum simulation. It is not a single product but a new engineering paradigm that extends classical IT and instrumentation.
QKD — Quantum Key Distribution
QKD enables two parties to exchange a shared secret key whose security rests on the laws of quantum physics rather than on computational hardness assumptions.
PQC — Post-Quantum Cryptography
Post-Quantum Cryptography refers to classical algorithms designed to remain secure against attacks from large-scale quantum computers, deployable on today's hardware.
Quantum sensing
Quantum sensing exploits quantum states to perform measurements with extreme sensitivity and precision — for instance detecting weak magnetic fields, gravitational variations or molecular signatures.
Quantum computing
Quantum computing is a model of computation that leverages superposition and entanglement of qubits to solve specific problem classes more efficiently than classical computers.
AI and quantum convergence
The convergence of AI and quantum refers to research and industrial areas where quantum computing offers speed-ups or new model classes for machine learning, and where AI supports the design and control of quantum systems.
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