Xen Quantum has emerged from Wave Photonics with seed funding from Cambridge Enterprise, Parkwalk, QAI Ventures, Silicon Catalyst, and Berkeley SkyDeck to address a critical vulnerability in future communications security. Founders Davide Scalcon and I are building chip-based Quantum Key Distribution (QKD) modules leveraging silicon photonics, a fabrication process already used for mass-producing photonic chips. This approach aims to overcome the limitations of current QKD systems, which are often too complex for widespread deployment and integration into existing networks. QKD is the only known technology whose security doesn’t rest on computational assumptions, it can’t be broken by faster computers or better algorithms, today or in the future, positioning the technology as a defense against evolving threats like harvest-now-decrypt-later attacks.
Mirko Pittaluga is the Co-Founder and CEO. He has taken quantum communication systems all the way from initial concept through to field deployment, and his track record includes record-breaking long-distance demonstrations carried out over live telecommunications networks. He holds a PhD in Quantum Communications.
Davide Scalcon is the Co-Founder and CTO. His expertise spans the full QKD (quantum key distribution) stack, covering photonics, electronics, and software, built up across both leading industry settings and research labs. He holds a PhD in Information Engineering.
Silicon Photonics Enables Mass-Manufacturable QKD Modules
Xen Quantum is directly addressing a critical limitation of current quantum key distribution systems; existing deployments are hampered by manufacturing complexity and integration challenges. The company’s core strategy centers on silicon photonics, leveraging established and scalable fabrication processes already used for mass-producing photonic chips, a significant departure from the intricate assembly required by many contemporary QKD implementations. This approach aims to drastically reduce production costs and enable widespread adoption of a technology increasingly vital for securing future communications. QKD is the only known technology whose security doesn’t rest on computational assumptions, it can’t be broken by faster computers or better algorithms, today or in the future. The idea took shape during my time at Wave Photonics: simplify QKD at every level, protocol, architecture, components, and manufacturing, and build it in silicon photonics.
This development is fueled by seed funding from Cambridge Enterprise, Parkwalk, QAI Ventures, Silicon Catalyst, and Berkeley SkyDeck, signaling strong investor confidence in this novel approach to QKD. This financial backing is supporting the development of modules specifically designed to defend against evolving threats, most notably harvest-now-decrypt-later attacks, which exploit the potential future availability of powerful quantum computers. The company intends to openly share both successes and challenges as development progresses, inviting engagement from those working in quantum-safe security and silicon photonics.
QKD is the only known technology whose security doesn’t rest on computational assumptions – it can’t be broken by faster computers or better algorithms, today or in the future.
QKD Protects Networks From Future Computational Threats
Current cryptographic methods face an escalating threat from advances in computational power, particularly the possibility of large-scale quantum computers capable of breaking widely used encryption algorithms; however, Xen Quantum is addressing this vulnerability with a fundamentally different approach to data security. Xen Quantum differentiates itself by focusing on practical implementation, aiming to overcome limitations of existing QKD systems through a shift to silicon photonics. This fabrication process leverages established, cost-effective manufacturing techniques already used for photonic chips, a departure from the complex production methods currently required for QKD modules. Cambridge Enterprise, Parkwalk, QAI Ventures, Silicon Catalyst, and Berkeley SkyDeck have signaled investor recognition of the potential for scalable, secure communication networks.
Source: https://xenquantum.com/
