Quantum Computing Inc. and Ciena have collaborated on a demonstration of a quantum-secured communications architecture, integrating Quantum Key Distribution and Quantum Identity Authentication with high-speed AES-256-GCM optical encryption. This joint effort, showcased at OFC 2026, aims to provide a layered security approach to protect critical in-flight data from current and future cyber threats1. By combining these technologies, the companies seek to create a robust security framework for optical networks. The demonstration highlights the potential for quantum-secured communications to mitigate risks associated with data transmission. The partnership between Quantum Computing Inc. and Ciena brings together expertise in quantum computing and optical networking, resulting in a comprehensive security solution. This development matters to practitioners because it offers a proactive approach to securing sensitive data against emerging threats, potentially reducing the risk of data breaches and cyber attacks.