With the advancement of quantum computers and increasing importance of cybersecurity, quantum cryptography has become an essential technology in quantum world. The success of ground-to-satellite quantum communication in the range of 4,600 km has been reported, and intercountry quantum cryptography connecting the UK and Ireland has been demonstrated. In the European Union, OpenQKD has established 18 testbeds for quantum communication in 12 countries. Through the progress from experimental to pilot networks, quantum cryptography testbeds have begun to provide networks for commercial services, such as finance, healthcare, and government administration. Similarly, the Republic of Korea launched a quantum communication testbed project to accelerate the development of quantum communication devices and materials. The project also aims to support the relevant companies and services in the verification and certification of security functionalities operated by the National Intelligence Service. We review the status of quantum communication testbeds in 16 countries.
KSP Keywords
Commercial services, Communication device, European Union, Quantum Cryptography, Republic of Korea, intelligence service, quantum communication, quantum computer
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