IntegratedPhotonicQuantumComputingPlatforms

Why It Matters

The energy cost and infrastructure complexity of cryogenic quantum systems are major barriers to widespread adoption, limiting the impact of quantum computing which promises to unlock billions in value across various sectors. Mainstream photonic quantum computers would allow for more accessible, potentially distributed quantum computation, accelerating breakthroughs in chemistry, finance, and AI, making quantum computing a ubiquitous utility. Companies like Xanadu and PsiQuantum, along with traditional photonics manufacturers, stand to gain. Technical barriers include photon loss, efficient single-photon generation, and integrating complex detection and measurement systems at scale. A realistic timeline for commercial applications is 10-20 years, with significant impact by 2045. Canada, Australia, and the UK are strong contenders in this space. A second-order consequence is the convergence of quantum computing with optical communications, potentially leading to ultra-secure, high-bandwidth quantum internet infrastructure.