What's Happening?
SK Telecom (SKT) has been awarded a three-year project under the Horizon Europe program to develop next-generation quantum cryptography technology. This initiative marks SKT as the first Asian private company to receive research funding from this European
Union-backed program. The project involves collaboration with institutions from Greece, Austria, and Germany, focusing on creating a quantum key distribution (QKD) system that integrates photonic integrated circuits (PIC) and artificial intelligence (AI). The project aims to miniaturize QKD systems, making them more cost-effective and accessible for broader industry use. SKT plans to consolidate bulky optical components onto a single chip, similar to how smartphone cameras have been miniaturized, and embed AI for real-time system calibration.
Why It's Important?
The development of advanced quantum cryptography systems is crucial for enhancing global communications security. Quantum key distribution is considered the most secure cryptographic system, as it uses quantum mechanics principles to prevent undetected interception. By miniaturizing and reducing the cost of QKD systems, SKT aims to expand their use beyond specialized sectors like defense and finance to a wider range of industries. This project also seeks to unify international certification standards for quantum cryptography, which could facilitate global adoption and integration. The success of this initiative could position SKT as a leader in the global quantum cryptography market, potentially influencing security protocols worldwide.
What's Next?
SKT will focus on developing and validating a QKD testbed, with the Electronics and Telecommunications Research Institute (ETRI) working on PIC-based optical chips for QKD systems. The project will also conduct a comparative analysis of current certification standards in South Korea and Europe, aiming to establish a unified international standard. As the project progresses, SKT plans to expand its fiber-based QKD technology into wireless and satellite applications, and develop high-performance quantum random number generators. The integration of post-quantum cryptography technologies into defense and public sector applications is also on the agenda, potentially broadening the impact of quantum cryptography innovations.











